homework-jianmu/source/libs/executor/src/executorimpl.c

5502 lines
197 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "filter.h"
#include "function.h"
#include "functionMgt.h"
#include "os.h"
#include "querynodes.h"
#include "tfill.h"
#include "tname.h"
#include "tref.h"
#include "tdatablock.h"
#include "tglobal.h"
#include "tmsg.h"
#include "tsort.h"
#include "ttime.h"
#include "executorimpl.h"
#include "index.h"
#include "query.h"
#include "tcompare.h"
#include "tcompression.h"
#include "thash.h"
#include "ttypes.h"
#include "vnode.h"
#define IS_MAIN_SCAN(runtime) ((runtime)->scanFlag == MAIN_SCAN)
#define SET_REVERSE_SCAN_FLAG(runtime) ((runtime)->scanFlag = REVERSE_SCAN)
#define SDATA_BLOCK_INITIALIZER \
(SDataBlockInfo) { {0}, 0 }
#define GET_FORWARD_DIRECTION_FACTOR(ord) (((ord) == TSDB_ORDER_ASC) ? QUERY_ASC_FORWARD_STEP : QUERY_DESC_FORWARD_STEP)
#if 0
static UNUSED_FUNC void *u_malloc (size_t __size) {
uint32_t v = taosRand();
if (v % 1000 <= 0) {
return NULL;
} else {
return taosMemoryMalloc(__size);
}
}
static UNUSED_FUNC void* u_calloc(size_t num, size_t __size) {
uint32_t v = taosRand();
if (v % 1000 <= 0) {
return NULL;
} else {
return taosMemoryCalloc(num, __size);
}
}
static UNUSED_FUNC void* u_realloc(void* p, size_t __size) {
uint32_t v = taosRand();
if (v % 5 <= 1) {
return NULL;
} else {
return taosMemoryRealloc(p, __size);
}
}
#define calloc u_calloc
#define malloc u_malloc
#define realloc u_realloc
#endif
#define CLEAR_QUERY_STATUS(q, st) ((q)->status &= (~(st)))
#define QUERY_IS_INTERVAL_QUERY(_q) ((_q)->interval.interval > 0)
int32_t getMaximumIdleDurationSec() { return tsShellActivityTimer * 2; }
static int32_t getExprFunctionId(SExprInfo* pExprInfo) {
assert(pExprInfo != NULL && pExprInfo->pExpr != NULL && pExprInfo->pExpr->nodeType == TEXPR_UNARYEXPR_NODE);
return 0;
}
static void doSetTagValueToResultBuf(char* output, const char* val, int16_t type, int16_t bytes);
static void setBlockStatisInfo(SqlFunctionCtx* pCtx, SExprInfo* pExpr, SSDataBlock* pSDataBlock);
static void destroyTableQueryInfoImpl(STableQueryInfo* pTableQueryInfo);
static SColumnInfo* extractColumnFilterInfo(SExprInfo* pExpr, int32_t numOfOutput, int32_t* numOfFilterCols);
static void releaseQueryBuf(size_t numOfTables);
static void destroySFillOperatorInfo(void* param, int32_t numOfOutput);
static void destroyProjectOperatorInfo(void* param, int32_t numOfOutput);
static void destroyOrderOperatorInfo(void* param, int32_t numOfOutput);
static void destroyAggOperatorInfo(void* param, int32_t numOfOutput);
static void destroyIntervalOperatorInfo(void* param, int32_t numOfOutput);
static void destroyExchangeOperatorInfo(void* param, int32_t numOfOutput);
static void destroyOperatorInfo(SOperatorInfo* pOperator);
void doSetOperatorCompleted(SOperatorInfo* pOperator) {
pOperator->status = OP_EXEC_DONE;
pOperator->cost.totalCost = (taosGetTimestampUs() - pOperator->pTaskInfo->cost.start * 1000) / 1000.0;
if (pOperator->pTaskInfo != NULL) {
setTaskStatus(pOperator->pTaskInfo, TASK_COMPLETED);
}
}
int32_t operatorDummyOpenFn(SOperatorInfo* pOperator) {
OPTR_SET_OPENED(pOperator);
pOperator->cost.openCost = 0;
return TSDB_CODE_SUCCESS;
}
SOperatorFpSet createOperatorFpSet(__optr_open_fn_t openFn, __optr_fn_t nextFn, __optr_fn_t streamFn,
__optr_fn_t cleanup, __optr_close_fn_t closeFn, __optr_encode_fn_t encode,
__optr_decode_fn_t decode, __optr_explain_fn_t explain) {
SOperatorFpSet fpSet = {
._openFn = openFn,
.getNextFn = nextFn,
.getStreamResFn = streamFn,
.cleanupFn = cleanup,
.closeFn = closeFn,
.encodeResultRow = encode,
.decodeResultRow = decode,
.getExplainFn = explain,
};
return fpSet;
}
void operatorDummyCloseFn(void* param, int32_t numOfCols) {}
static int32_t doCopyToSDataBlock(SExecTaskInfo* taskInfo, SSDataBlock* pBlock, SExprInfo* pExprInfo,
SDiskbasedBuf* pBuf, SGroupResInfo* pGroupResInfo, const int32_t* rowCellOffset,
SqlFunctionCtx* pCtx, int32_t numOfExprs);
static void initCtxOutputBuffer(SqlFunctionCtx* pCtx, int32_t size);
static void setResultBufSize(STaskAttr* pQueryAttr, SResultInfo* pResultInfo);
static void doSetTableGroupOutputBuf(SAggOperatorInfo* pAggInfo, int32_t numOfOutput, uint64_t groupId,
SExecTaskInfo* pTaskInfo);
SArray* getOrderCheckColumns(STaskAttr* pQuery);
typedef struct SRowCompSupporter {
STaskRuntimeEnv* pRuntimeEnv;
int16_t dataOffset;
__compar_fn_t comFunc;
} SRowCompSupporter;
static int compareRowData(const void* a, const void* b, const void* userData) {
const SResultRow* pRow1 = (const SResultRow*)a;
const SResultRow* pRow2 = (const SResultRow*)b;
SRowCompSupporter* supporter = (SRowCompSupporter*)userData;
STaskRuntimeEnv* pRuntimeEnv = supporter->pRuntimeEnv;
SFilePage* page1 = getBufPage(pRuntimeEnv->pResultBuf, pRow1->pageId);
SFilePage* page2 = getBufPage(pRuntimeEnv->pResultBuf, pRow2->pageId);
int16_t offset = supporter->dataOffset;
return 0;
// char* in1 = getPosInResultPage(pRuntimeEnv->pQueryAttr, page1, pRow1->offset, offset);
// char* in2 = getPosInResultPage(pRuntimeEnv->pQueryAttr, page2, pRow2->offset, offset);
// return (in1 != NULL && in2 != NULL) ? supporter->comFunc(in1, in2) : 0;
}
// setup the output buffer for each operator
SSDataBlock* createResDataBlock(SDataBlockDescNode* pNode) {
int32_t numOfCols = LIST_LENGTH(pNode->pSlots);
SSDataBlock* pBlock = taosMemoryCalloc(1, sizeof(SSDataBlock));
pBlock->pDataBlock = taosArrayInit(numOfCols, sizeof(SColumnInfoData));
pBlock->info.blockId = pNode->dataBlockId;
pBlock->info.rowSize = pNode->totalRowSize; // todo ??
pBlock->info.type = STREAM_INVALID;
for (int32_t i = 0; i < numOfCols; ++i) {
SColumnInfoData idata = {{0}};
SSlotDescNode* pDescNode = (SSlotDescNode*)nodesListGetNode(pNode->pSlots, i);
// if (!pDescNode->output) { // todo disable it temporarily
// continue;
// }
idata.info.type = pDescNode->dataType.type;
idata.info.bytes = pDescNode->dataType.bytes;
idata.info.scale = pDescNode->dataType.scale;
idata.info.slotId = pDescNode->slotId;
idata.info.precision = pDescNode->dataType.precision;
if (IS_VAR_DATA_TYPE(idata.info.type)) {
pBlock->info.hasVarCol = true;
}
taosArrayPush(pBlock->pDataBlock, &idata);
}
pBlock->info.numOfCols = taosArrayGetSize(pBlock->pDataBlock);
return pBlock;
}
static bool hasNull(SColumn* pColumn, SColumnDataAgg* pStatis) {
if (TSDB_COL_IS_TAG(pColumn->flag) || TSDB_COL_IS_UD_COL(pColumn->flag) ||
pColumn->colId == PRIMARYKEY_TIMESTAMP_COL_ID) {
return false;
}
if (pStatis != NULL && pStatis->numOfNull == 0) {
return false;
}
return true;
}
static bool chkResultRowFromKey(STaskRuntimeEnv* pRuntimeEnv, SResultRowInfo* pResultRowInfo, char* pData,
int16_t bytes, bool masterscan, uint64_t uid) {
bool existed = false;
SET_RES_WINDOW_KEY(pRuntimeEnv->keyBuf, pData, bytes, uid);
SResultRow** p1 =
(SResultRow**)taosHashGet(pRuntimeEnv->pResultRowHashTable, pRuntimeEnv->keyBuf, GET_RES_WINDOW_KEY_LEN(bytes));
// in case of repeat scan/reverse scan, no new time window added.
if (QUERY_IS_INTERVAL_QUERY(pRuntimeEnv->pQueryAttr)) {
if (!masterscan) { // the *p1 may be NULL in case of sliding+offset exists.
return p1 != NULL;
}
if (p1 != NULL) {
if (pResultRowInfo->size == 0) {
existed = false;
} else if (pResultRowInfo->size == 1) {
// existed = (pResultRowInfo->pResult[0] == (*p1));
} else { // check if current pResultRowInfo contains the existed pResultRow
SET_RES_EXT_WINDOW_KEY(pRuntimeEnv->keyBuf, pData, bytes, uid, pResultRowInfo);
int64_t* index =
taosHashGet(pRuntimeEnv->pResultRowListSet, pRuntimeEnv->keyBuf, GET_RES_EXT_WINDOW_KEY_LEN(bytes));
if (index != NULL) {
existed = true;
} else {
existed = false;
}
}
}
return existed;
}
return p1 != NULL;
}
SResultRow* getNewResultRow(SDiskbasedBuf* pResultBuf, int64_t tableGroupId, int32_t interBufSize) {
SFilePage* pData = NULL;
// in the first scan, new space needed for results
int32_t pageId = -1;
SIDList list = getDataBufPagesIdList(pResultBuf, tableGroupId);
if (taosArrayGetSize(list) == 0) {
pData = getNewBufPage(pResultBuf, tableGroupId, &pageId);
pData->num = sizeof(SFilePage);
} else {
SPageInfo* pi = getLastPageInfo(list);
pData = getBufPage(pResultBuf, getPageId(pi));
pageId = getPageId(pi);
if (pData->num + interBufSize > getBufPageSize(pResultBuf)) {
// release current page first, and prepare the next one
releaseBufPageInfo(pResultBuf, pi);
pData = getNewBufPage(pResultBuf, tableGroupId, &pageId);
if (pData != NULL) {
pData->num = sizeof(SFilePage);
}
}
}
if (pData == NULL) {
return NULL;
}
setBufPageDirty(pData, true);
// set the number of rows in current disk page
SResultRow* pResultRow = (SResultRow*)((char*)pData + pData->num);
pResultRow->pageId = pageId;
pResultRow->offset = (int32_t)pData->num;
pData->num += interBufSize;
return pResultRow;
}
/**
* the struct of key in hash table
* +----------+---------------+
* | group id | key data |
* | 8 bytes | actual length |
* +----------+---------------+
*/
SResultRow* doSetResultOutBufByKey(SDiskbasedBuf* pResultBuf, SResultRowInfo* pResultRowInfo, char* pData,
int16_t bytes, bool masterscan, uint64_t groupId, SExecTaskInfo* pTaskInfo,
bool isIntervalQuery, SAggSupporter* pSup) {
SET_RES_WINDOW_KEY(pSup->keyBuf, pData, bytes, groupId);
SResultRowPosition* p1 =
(SResultRowPosition*)taosHashGet(pSup->pResultRowHashTable, pSup->keyBuf, GET_RES_WINDOW_KEY_LEN(bytes));
SResultRow* pResult = NULL;
// in case of repeat scan/reverse scan, no new time window added.
if (isIntervalQuery) {
if (masterscan && p1 != NULL) { // the *p1 may be NULL in case of sliding+offset exists.
pResult = getResultRowByPos(pResultBuf, p1);
ASSERT(pResult->pageId == p1->pageId && pResult->offset == p1->offset);
}
} else {
// In case of group by column query, the required SResultRow object must be existInCurrentResusltRowInfo in the
// pResultRowInfo object.
if (p1 != NULL) {
// todo
pResult = getResultRowByPos(pResultBuf, p1);
ASSERT(pResult->pageId == p1->pageId && pResult->offset == p1->offset);
}
}
// 1. close current opened time window
if (pResultRowInfo->cur.pageId != -1 && ((pResult == NULL) || (pResult->pageId != pResultRowInfo->cur.pageId &&
pResult->offset != pResultRowInfo->cur.offset))) {
SResultRowPosition pos = pResultRowInfo->cur;
SFilePage* pPage = getBufPage(pResultBuf, pos.pageId);
releaseBufPage(pResultBuf, pPage);
}
// allocate a new buffer page
if (pResult == NULL) {
ASSERT(pSup->resultRowSize > 0);
pResult = getNewResultRow(pResultBuf, groupId, pSup->resultRowSize);
initResultRow(pResult);
// add a new result set for a new group
SResultRowPosition pos = {.pageId = pResult->pageId, .offset = pResult->offset};
taosHashPut(pSup->pResultRowHashTable, pSup->keyBuf, GET_RES_WINDOW_KEY_LEN(bytes), &pos,
sizeof(SResultRowPosition));
}
// 2. set the new time window to be the new active time window
pResultRowInfo->cur = (SResultRowPosition){.pageId = pResult->pageId, .offset = pResult->offset};
// too many time window in query
if (taosHashGetSize(pSup->pResultRowHashTable) > MAX_INTERVAL_TIME_WINDOW) {
longjmp(pTaskInfo->env, TSDB_CODE_QRY_TOO_MANY_TIMEWINDOW);
}
return pResult;
}
// get the correct time window according to the handled timestamp
static STimeWindow getCurrentActiveTimeWindow(SResultRowInfo* pResultRowInfo, int64_t ts, STaskAttr* pQueryAttr) {
STimeWindow w = {0};
#if 0
if (pResultRowInfo->curPos == -1) { // the first window, from the previous stored value
// getInitialStartTimeWindow(pQueryAttr, ts, &w);
if (pQueryAttr->interval.intervalUnit == 'n' || pQueryAttr->interval.intervalUnit == 'y') {
w.ekey =
taosTimeAdd(w.skey, pQueryAttr->interval.interval, pQueryAttr->interval.intervalUnit, pQueryAttr->precision) -
1;
} else {
w.ekey = w.skey + pQueryAttr->interval.interval - 1;
}
} else {
w = pRow->win;
}
/*
* query border check, skey should not be bounded by the query time range, since the value skey will
* be used as the time window index value. So we only change ekey of time window accordingly.
*/
if (w.ekey > pQueryAttr->window.ekey && QUERY_IS_ASC_QUERY(pQueryAttr)) {
w.ekey = pQueryAttr->window.ekey;
}
#endif
return w;
}
// a new buffer page for each table. Needs to opt this design
static int32_t addNewWindowResultBuf(SResultRow* pWindowRes, SDiskbasedBuf* pResultBuf, int32_t tid, uint32_t size) {
if (pWindowRes->pageId != -1) {
return 0;
}
SFilePage* pData = NULL;
// in the first scan, new space needed for results
int32_t pageId = -1;
SIDList list = getDataBufPagesIdList(pResultBuf, tid);
if (taosArrayGetSize(list) == 0) {
pData = getNewBufPage(pResultBuf, tid, &pageId);
pData->num = sizeof(SFilePage);
} else {
SPageInfo* pi = getLastPageInfo(list);
pData = getBufPage(pResultBuf, getPageId(pi));
pageId = getPageId(pi);
if (pData->num + size > getBufPageSize(pResultBuf)) {
// release current page first, and prepare the next one
releaseBufPageInfo(pResultBuf, pi);
pData = getNewBufPage(pResultBuf, tid, &pageId);
if (pData != NULL) {
pData->num = sizeof(SFilePage);
}
}
}
if (pData == NULL) {
return -1;
}
// set the number of rows in current disk page
if (pWindowRes->pageId == -1) { // not allocated yet, allocate new buffer
pWindowRes->pageId = pageId;
pWindowRes->offset = (int32_t)pData->num;
pData->num += size;
assert(pWindowRes->pageId >= 0);
}
return 0;
}
static bool chkWindowOutputBufByKey(STaskRuntimeEnv* pRuntimeEnv, SResultRowInfo* pResultRowInfo, STimeWindow* win,
bool masterscan, SResultRow** pResult, int64_t groupId, SqlFunctionCtx* pCtx,
int32_t numOfOutput, int32_t* rowCellInfoOffset) {
assert(win->skey <= win->ekey);
return chkResultRowFromKey(pRuntimeEnv, pResultRowInfo, (char*)&win->skey, TSDB_KEYSIZE, masterscan, groupId);
}
static void doUpdateResultRowIndex(SResultRowInfo* pResultRowInfo, TSKEY lastKey, bool ascQuery,
bool timeWindowInterpo) {
int64_t skey = TSKEY_INITIAL_VAL;
#if 0
int32_t i = 0;
for (i = pResultRowInfo->size - 1; i >= 0; --i) {
SResultRow* pResult = pResultRowInfo->pResult[i];
if (pResult->closed) {
break;
}
// new closed result rows
if (timeWindowInterpo) {
if (pResult->endInterp &&
((pResult->win.skey <= lastKey && ascQuery) || (pResult->win.skey >= lastKey && !ascQuery))) {
if (i > 0) { // the first time window, the startInterp is false.
assert(pResult->startInterp);
}
closeResultRow(pResultRowInfo, i);
} else {
skey = pResult->win.skey;
}
} else {
if ((pResult->win.ekey <= lastKey && ascQuery) || (pResult->win.skey >= lastKey && !ascQuery)) {
closeResultRow(pResultRowInfo, i);
} else {
skey = pResult->win.skey;
}
}
}
// all result rows are closed, set the last one to be the skey
if (skey == TSKEY_INITIAL_VAL) {
if (pResultRowInfo->size == 0) {
// assert(pResultRowInfo->current == NULL);
assert(pResultRowInfo->curPos == -1);
pResultRowInfo->curPos = -1;
} else {
pResultRowInfo->curPos = pResultRowInfo->size - 1;
}
} else {
for (i = pResultRowInfo->size - 1; i >= 0; --i) {
SResultRow* pResult = pResultRowInfo->pResult[i];
if (pResult->closed) {
break;
}
}
if (i == pResultRowInfo->size - 1) {
pResultRowInfo->curPos = i;
} else {
pResultRowInfo->curPos = i + 1; // current not closed result object
}
}
#endif
}
//
// static void updateResultRowInfoActiveIndex(SResultRowInfo* pResultRowInfo, const STimeWindow* pWin, TSKEY lastKey,
// bool ascQuery, bool interp) {
// if ((lastKey > pWin->ekey && ascQuery) || (lastKey < pWin->ekey && (!ascQuery))) {
// closeAllResultRows(pResultRowInfo);
// pResultRowInfo->curPos = pResultRowInfo->size - 1;
// } else {
// int32_t step = ascQuery ? 1 : -1;
// doUpdateResultRowIndex(pResultRowInfo, lastKey - step, ascQuery, interp);
// }
//}
// query_range_start, query_range_end, window_duration, window_start, window_end
void initExecTimeWindowInfo(SColumnInfoData* pColData, STimeWindow* pQueryWindow) {
pColData->info.type = TSDB_DATA_TYPE_TIMESTAMP;
pColData->info.bytes = sizeof(int64_t);
colInfoDataEnsureCapacity(pColData, 0, 5);
colDataAppendInt64(pColData, 0, &pQueryWindow->skey);
colDataAppendInt64(pColData, 1, &pQueryWindow->ekey);
int64_t interval = 0;
colDataAppendInt64(pColData, 2, &interval); // this value may be variable in case of 'n' and 'y'.
colDataAppendInt64(pColData, 3, &pQueryWindow->skey);
colDataAppendInt64(pColData, 4, &pQueryWindow->ekey);
}
void doApplyFunctions(SExecTaskInfo* taskInfo, SqlFunctionCtx* pCtx, STimeWindow* pWin,
SColumnInfoData* pTimeWindowData, int32_t offset, int32_t forwardStep, TSKEY* tsCol,
int32_t numOfTotal, int32_t numOfOutput, int32_t order) {
for (int32_t k = 0; k < numOfOutput; ++k) {
// keep it temporarily
// todo no need this??
bool hasAgg = pCtx[k].input.colDataAggIsSet;
int32_t numOfRows = pCtx[k].input.numOfRows;
int32_t startOffset = pCtx[k].input.startRowIndex;
pCtx[k].input.startRowIndex = offset;
pCtx[k].input.numOfRows = forwardStep;
// not a whole block involved in query processing, statistics data can not be used
// NOTE: the original value of isSet have been changed here
if (pCtx[k].input.colDataAggIsSet && forwardStep < numOfTotal) {
pCtx[k].input.colDataAggIsSet = false;
}
if (fmIsWindowPseudoColumnFunc(pCtx[k].functionId)) {
SResultRowEntryInfo* pEntryInfo = GET_RES_INFO(&pCtx[k]);
char* p = GET_ROWCELL_INTERBUF(pEntryInfo);
SColumnInfoData idata = {0};
idata.info.type = TSDB_DATA_TYPE_BIGINT;
idata.info.bytes = tDataTypes[TSDB_DATA_TYPE_BIGINT].bytes;
idata.pData = p;
SScalarParam out = {.columnData = &idata};
SScalarParam tw = {.numOfRows = 5, .columnData = pTimeWindowData};
pCtx[k].sfp.process(&tw, 1, &out);
pEntryInfo->numOfRes = 1;
} else {
int32_t code = TSDB_CODE_SUCCESS;
if (functionNeedToExecute(&pCtx[k]) && pCtx[k].fpSet.process != NULL) {
code = pCtx[k].fpSet.process(&pCtx[k]);
if (code != TSDB_CODE_SUCCESS) {
qError("%s apply functions error, code: %s", GET_TASKID(taskInfo), tstrerror(code));
taskInfo->code = code;
longjmp(taskInfo->env, code);
}
}
// restore it
pCtx[k].input.colDataAggIsSet = hasAgg;
pCtx[k].input.startRowIndex = startOffset;
pCtx[k].input.numOfRows = numOfRows;
}
}
}
static FORCE_INLINE TSKEY reviseWindowEkey(STaskAttr* pQueryAttr, STimeWindow* pWindow) {
TSKEY ekey = -1;
int32_t order = TSDB_ORDER_ASC;
if (order == TSDB_ORDER_ASC) {
ekey = pWindow->ekey;
if (ekey > pQueryAttr->window.ekey) {
ekey = pQueryAttr->window.ekey;
}
} else {
ekey = pWindow->skey;
if (ekey < pQueryAttr->window.ekey) {
ekey = pQueryAttr->window.ekey;
}
}
return ekey;
}
static int32_t doSetInputDataBlock(SOperatorInfo* pOperator, SqlFunctionCtx* pCtx, SSDataBlock* pBlock, int32_t order,
int32_t scanFlag, bool createDummyCol);
static void doSetInputDataBlockInfo(SOperatorInfo* pOperator, SqlFunctionCtx* pCtx, SSDataBlock* pBlock,
int32_t order) {
for (int32_t i = 0; i < pOperator->numOfExprs; ++i) {
pCtx[i].order = order;
pCtx[i].input.numOfRows = pBlock->info.rows;
setBlockStatisInfo(&pCtx[i], &pOperator->pExpr[i], pBlock);
}
}
void setInputDataBlock(SOperatorInfo* pOperator, SqlFunctionCtx* pCtx, SSDataBlock* pBlock, int32_t order,
int32_t scanFlag, bool createDummyCol) {
if (pBlock->pBlockAgg != NULL) {
doSetInputDataBlockInfo(pOperator, pCtx, pBlock, order);
} else {
doSetInputDataBlock(pOperator, pCtx, pBlock, order, scanFlag, createDummyCol);
}
}
static int32_t doCreateConstantValColumnInfo(SInputColumnInfoData* pInput, SFunctParam* pFuncParam, int32_t paramIndex,
int32_t numOfRows) {
SColumnInfoData* pColInfo = NULL;
if (pInput->pData[paramIndex] == NULL) {
pColInfo = taosMemoryCalloc(1, sizeof(SColumnInfoData));
if (pColInfo == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
// Set the correct column info (data type and bytes)
pColInfo->info.type = pFuncParam->param.nType;
pColInfo->info.bytes = pFuncParam->param.nLen;
pInput->pData[paramIndex] = pColInfo;
} else {
pColInfo = pInput->pData[paramIndex];
}
colInfoDataEnsureCapacity(pColInfo, 0, numOfRows);
int8_t type = pFuncParam->param.nType;
if (type == TSDB_DATA_TYPE_BIGINT || type == TSDB_DATA_TYPE_UBIGINT) {
int64_t v = pFuncParam->param.i;
for (int32_t i = 0; i < numOfRows; ++i) {
colDataAppendInt64(pColInfo, i, &v);
}
} else if (type == TSDB_DATA_TYPE_DOUBLE) {
double v = pFuncParam->param.d;
for (int32_t i = 0; i < numOfRows; ++i) {
colDataAppendDouble(pColInfo, i, &v);
}
} else if (type == TSDB_DATA_TYPE_VARCHAR) {
char* tmp = taosMemoryMalloc(pFuncParam->param.nLen + VARSTR_HEADER_SIZE);
STR_WITH_SIZE_TO_VARSTR(tmp, pFuncParam->param.pz, pFuncParam->param.nLen);
for (int32_t i = 0; i < numOfRows; ++i) {
colDataAppend(pColInfo, i, tmp, false);
}
}
return TSDB_CODE_SUCCESS;
}
static int32_t doSetInputDataBlock(SOperatorInfo* pOperator, SqlFunctionCtx* pCtx, SSDataBlock* pBlock, int32_t order,
int32_t scanFlag, bool createDummyCol) {
int32_t code = TSDB_CODE_SUCCESS;
for (int32_t i = 0; i < pOperator->numOfExprs; ++i) {
pCtx[i].order = order;
pCtx[i].input.numOfRows = pBlock->info.rows;
pCtx[i].pSrcBlock = pBlock;
pCtx[i].scanFlag = scanFlag;
SInputColumnInfoData* pInput = &pCtx[i].input;
pInput->uid = pBlock->info.uid;
pInput->colDataAggIsSet = false;
SExprInfo* pOneExpr = &pOperator->pExpr[i];
for (int32_t j = 0; j < pOneExpr->base.numOfParams; ++j) {
SFunctParam* pFuncParam = &pOneExpr->base.pParam[j];
if (pFuncParam->type == FUNC_PARAM_TYPE_COLUMN) {
int32_t slotId = pFuncParam->pCol->slotId;
pInput->pData[j] = taosArrayGet(pBlock->pDataBlock, slotId);
pInput->totalRows = pBlock->info.rows;
pInput->numOfRows = pBlock->info.rows;
pInput->startRowIndex = 0;
// NOTE: the last parameter is the primary timestamp column
if (fmIsTimelineFunc(pCtx[i].functionId) && (j == pOneExpr->base.numOfParams - 1)) {
pInput->pPTS = pInput->pData[j];
}
ASSERT(pInput->pData[j] != NULL);
} else if (pFuncParam->type == FUNC_PARAM_TYPE_VALUE) {
// todo avoid case: top(k, 12), 12 is the value parameter.
// sum(11), 11 is also the value parameter.
if (createDummyCol && pOneExpr->base.numOfParams == 1) {
pInput->totalRows = pBlock->info.rows;
pInput->numOfRows = pBlock->info.rows;
pInput->startRowIndex = 0;
code = doCreateConstantValColumnInfo(pInput, pFuncParam, j, pBlock->info.rows);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
}
}
}
}
return code;
}
static int32_t doAggregateImpl(SOperatorInfo* pOperator, TSKEY startTs, SqlFunctionCtx* pCtx) {
for (int32_t k = 0; k < pOperator->numOfExprs; ++k) {
if (functionNeedToExecute(&pCtx[k])) {
// todo add a dummy funtion to avoid process check
if (pCtx[k].fpSet.process == NULL) {
continue;
}
int32_t code = pCtx[k].fpSet.process(&pCtx[k]);
if (code != TSDB_CODE_SUCCESS) {
qError("%s aggregate function error happens, code: %s", GET_TASKID(pOperator->pTaskInfo), tstrerror(code));
return code;
}
}
}
return TSDB_CODE_SUCCESS;
}
static void setPseudoOutputColInfo(SSDataBlock* pResult, SqlFunctionCtx* pCtx, SArray* pPseudoList) {
size_t num = (pPseudoList != NULL) ? taosArrayGetSize(pPseudoList) : 0;
for (int32_t i = 0; i < num; ++i) {
pCtx[i].pOutput = taosArrayGet(pResult->pDataBlock, i);
}
}
int32_t projectApplyFunctions(SExprInfo* pExpr, SSDataBlock* pResult, SSDataBlock* pSrcBlock, SqlFunctionCtx* pCtx,
int32_t numOfOutput, SArray* pPseudoList) {
setPseudoOutputColInfo(pResult, pCtx, pPseudoList);
pResult->info.groupId = pSrcBlock->info.groupId;
// if the source equals to the destination, it is to create a new column as the result of scalar function or some
// operators.
bool createNewColModel = (pResult == pSrcBlock);
int32_t numOfRows = 0;
for (int32_t k = 0; k < numOfOutput; ++k) {
int32_t outputSlotId = pExpr[k].base.resSchema.slotId;
SqlFunctionCtx* pfCtx = &pCtx[k];
if (pExpr[k].pExpr->nodeType == QUERY_NODE_COLUMN) { // it is a project query
SColumnInfoData* pColInfoData = taosArrayGet(pResult->pDataBlock, outputSlotId);
if (pResult->info.rows > 0 && !createNewColModel) {
colDataMergeCol(pColInfoData, pResult->info.rows, &pResult->info.capacity, pfCtx->input.pData[0],
pfCtx->input.numOfRows);
} else {
colDataAssign(pColInfoData, pfCtx->input.pData[0], pfCtx->input.numOfRows);
}
numOfRows = pfCtx->input.numOfRows;
} else if (pExpr[k].pExpr->nodeType == QUERY_NODE_VALUE) {
SColumnInfoData* pColInfoData = taosArrayGet(pResult->pDataBlock, outputSlotId);
int32_t offset = createNewColModel ? 0 : pResult->info.rows;
for (int32_t i = 0; i < pSrcBlock->info.rows; ++i) {
colDataAppend(pColInfoData, i + offset,
taosVariantGet(&pExpr[k].base.pParam[0].param, pExpr[k].base.pParam[0].param.nType),
TSDB_DATA_TYPE_NULL == pExpr[k].base.pParam[0].param.nType);
}
numOfRows = pSrcBlock->info.rows;
} else if (pExpr[k].pExpr->nodeType == QUERY_NODE_OPERATOR) {
SArray* pBlockList = taosArrayInit(4, POINTER_BYTES);
taosArrayPush(pBlockList, &pSrcBlock);
SColumnInfoData* pResColData = taosArrayGet(pResult->pDataBlock, outputSlotId);
SColumnInfoData idata = {.info = pResColData->info, .hasNull = true};
SScalarParam dest = {.columnData = &idata};
int32_t code = scalarCalculate(pExpr[k].pExpr->_optrRoot.pRootNode, pBlockList, &dest);
if (code != TSDB_CODE_SUCCESS) {
taosArrayDestroy(pBlockList);
return code;
}
int32_t startOffset = createNewColModel ? 0 : pResult->info.rows;
colInfoDataEnsureCapacity(pResColData, startOffset, pResult->info.capacity);
colDataMergeCol(pResColData, startOffset, &pResult->info.capacity, &idata, dest.numOfRows);
numOfRows = dest.numOfRows;
taosArrayDestroy(pBlockList);
} else if (pExpr[k].pExpr->nodeType == QUERY_NODE_FUNCTION) {
ASSERT(!fmIsAggFunc(pfCtx->functionId));
// _rowts/_c0, not tbname column
if (fmIsPseudoColumnFunc(pfCtx->functionId) && (!fmIsScanPseudoColumnFunc(pfCtx->functionId))) {
// do nothing
} else if (fmIsIndefiniteRowsFunc(pfCtx->functionId)) {
SResultRowEntryInfo* pResInfo = GET_RES_INFO(&pCtx[k]);
pfCtx->fpSet.init(&pCtx[k], pResInfo);
pfCtx->pOutput = taosArrayGet(pResult->pDataBlock, outputSlotId);
pfCtx->offset = createNewColModel ? 0 : pResult->info.rows; // set the start offset
// set the timestamp(_rowts) output buffer
if (taosArrayGetSize(pPseudoList) > 0) {
int32_t* outputColIndex = taosArrayGet(pPseudoList, 0);
pfCtx->pTsOutput = (SColumnInfoData*)pCtx[*outputColIndex].pOutput;
}
numOfRows = pfCtx->fpSet.process(pfCtx);
} else {
SArray* pBlockList = taosArrayInit(4, POINTER_BYTES);
taosArrayPush(pBlockList, &pSrcBlock);
SColumnInfoData* pResColData = taosArrayGet(pResult->pDataBlock, outputSlotId);
SColumnInfoData idata = {.info = pResColData->info, .hasNull = true};
SScalarParam dest = {.columnData = &idata};
int32_t code = scalarCalculate((SNode*)pExpr[k].pExpr->_function.pFunctNode, pBlockList, &dest);
if (code != TSDB_CODE_SUCCESS) {
taosArrayDestroy(pBlockList);
return code;
}
int32_t startOffset = createNewColModel ? 0 : pResult->info.rows;
colInfoDataEnsureCapacity(pResColData, startOffset, pResult->info.capacity);
colDataMergeCol(pResColData, startOffset, &pResult->info.capacity, &idata, dest.numOfRows);
numOfRows = dest.numOfRows;
taosArrayDestroy(pBlockList);
}
} else {
ASSERT(0);
}
}
if (!createNewColModel) {
pResult->info.rows += numOfRows;
}
return TSDB_CODE_SUCCESS;
}
static void setResultRowKey(SResultRow* pResultRow, char* pData, int16_t type) {
if (IS_VAR_DATA_TYPE(type)) {
// todo disable this
// if (pResultRow->key == NULL) {
// pResultRow->key = taosMemoryMalloc(varDataTLen(pData));
// varDataCopy(pResultRow->key, pData);
// } else {
// ASSERT(memcmp(pResultRow->key, pData, varDataTLen(pData)) == 0);
// }
} else {
int64_t v = -1;
GET_TYPED_DATA(v, int64_t, type, pData);
pResultRow->win.skey = v;
pResultRow->win.ekey = v;
}
}
int32_t setGroupResultOutputBuf(SOptrBasicInfo* binfo, int32_t numOfCols, char* pData, int16_t type, int16_t bytes,
int32_t groupId, SDiskbasedBuf* pBuf, SExecTaskInfo* pTaskInfo,
SAggSupporter* pAggSup) {
SResultRowInfo* pResultRowInfo = &binfo->resultRowInfo;
SqlFunctionCtx* pCtx = binfo->pCtx;
SResultRow* pResultRow =
doSetResultOutBufByKey(pBuf, pResultRowInfo, (char*)pData, bytes, true, groupId, pTaskInfo, false, pAggSup);
assert(pResultRow != NULL);
setResultRowKey(pResultRow, pData, type);
setResultRowInitCtx(pResultRow, pCtx, numOfCols, binfo->rowCellInfoOffset);
return TSDB_CODE_SUCCESS;
}
bool functionNeedToExecute(SqlFunctionCtx* pCtx) {
struct SResultRowEntryInfo* pResInfo = GET_RES_INFO(pCtx);
// in case of timestamp column, always generated results.
int32_t functionId = pCtx->functionId;
if (functionId == -1) {
return false;
}
if (pCtx->scanFlag == REPEAT_SCAN) {
return fmIsRepeatScanFunc(pCtx->functionId);
}
if (isRowEntryCompleted(pResInfo)) {
return false;
}
// if (functionId == FUNCTION_FIRST_DST || functionId == FUNCTION_FIRST) {
// // return QUERY_IS_ASC_QUERY(pQueryAttr);
// }
//
// // denote the order type
// if ((functionId == FUNCTION_LAST_DST || functionId == FUNCTION_LAST)) {
// // return pCtx->param[0].i == pQueryAttr->order.order;
// }
// in the reverse table scan, only the following functions need to be executed
// if (IS_REVERSE_SCAN(pRuntimeEnv) ||
// (pRuntimeEnv->scanFlag == REPEAT_SCAN && functionId != FUNCTION_STDDEV && functionId != FUNCTION_PERCT)) {
// return false;
// }
return true;
}
static int32_t doCreateConstantValColumnAggInfo(SInputColumnInfoData* pInput, SFunctParam* pFuncParam, int32_t type,
int32_t paramIndex, int32_t numOfRows) {
if (pInput->pData[paramIndex] == NULL) {
pInput->pData[paramIndex] = taosMemoryCalloc(1, sizeof(SColumnInfoData));
if (pInput->pData[paramIndex] == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
// Set the correct column info (data type and bytes)
pInput->pData[paramIndex]->info.type = type;
pInput->pData[paramIndex]->info.bytes = tDataTypes[type].bytes;
}
SColumnDataAgg* da = NULL;
if (pInput->pColumnDataAgg[paramIndex] == NULL) {
da = taosMemoryCalloc(1, sizeof(SColumnDataAgg));
pInput->pColumnDataAgg[paramIndex] = da;
if (da == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
} else {
da = pInput->pColumnDataAgg[paramIndex];
}
ASSERT(!IS_VAR_DATA_TYPE(type));
if (type == TSDB_DATA_TYPE_BIGINT) {
int64_t v = pFuncParam->param.i;
*da = (SColumnDataAgg){.numOfNull = 0, .min = v, .max = v, .maxIndex = 0, .minIndex = 0, .sum = v * numOfRows};
} else if (type == TSDB_DATA_TYPE_DOUBLE) {
double v = pFuncParam->param.d;
*da = (SColumnDataAgg){.numOfNull = 0, .maxIndex = 0, .minIndex = 0};
*(double*)&da->min = v;
*(double*)&da->max = v;
*(double*)&da->sum = v * numOfRows;
} else if (type == TSDB_DATA_TYPE_BOOL) { // todo validate this data type
bool v = pFuncParam->param.i;
*da = (SColumnDataAgg){.numOfNull = 0, .maxIndex = 0, .minIndex = 0};
*(bool*)&da->min = 0;
*(bool*)&da->max = v;
*(bool*)&da->sum = v * numOfRows;
} else if (type == TSDB_DATA_TYPE_TIMESTAMP) {
// do nothing
} else {
ASSERT(0);
}
return TSDB_CODE_SUCCESS;
}
void setBlockStatisInfo(SqlFunctionCtx* pCtx, SExprInfo* pExprInfo, SSDataBlock* pBlock) {
int32_t numOfRows = pBlock->info.rows;
SInputColumnInfoData* pInput = &pCtx->input;
pInput->numOfRows = numOfRows;
pInput->totalRows = numOfRows;
if (pBlock->pBlockAgg != NULL) {
pInput->colDataAggIsSet = true;
for (int32_t j = 0; j < pExprInfo->base.numOfParams; ++j) {
SFunctParam* pFuncParam = &pExprInfo->base.pParam[j];
if (pFuncParam->type == FUNC_PARAM_TYPE_COLUMN) {
int32_t slotId = pFuncParam->pCol->slotId;
pInput->pColumnDataAgg[j] = pBlock->pBlockAgg[slotId];
if (pInput->pColumnDataAgg[j] == NULL) {
pInput->colDataAggIsSet = false;
}
// Here we set the column info data since the data type for each column data is required, but
// the data in the corresponding SColumnInfoData will not be used.
pInput->pData[j] = taosArrayGet(pBlock->pDataBlock, slotId);
} else if (pFuncParam->type == FUNC_PARAM_TYPE_VALUE) {
doCreateConstantValColumnAggInfo(pInput, pFuncParam, pFuncParam->param.nType, j, pBlock->info.rows);
}
}
} else {
pInput->colDataAggIsSet = false;
}
// set the statistics data for primary time stamp column
// if (pCtx->functionId == FUNCTION_SPREAD && pColumn->colId == PRIMARYKEY_TIMESTAMP_COL_ID) {
// pCtx->isAggSet = true;
// pCtx->agg.min = pBlock->info.window.skey;
// pCtx->agg.max = pBlock->info.window.ekey;
// }
}
// set the output buffer for the selectivity + tag query
static int32_t setSelectValueColumnInfo(SqlFunctionCtx* pCtx, int32_t numOfOutput) {
int32_t num = 0;
SqlFunctionCtx* p = NULL;
SqlFunctionCtx** pValCtx = taosMemoryCalloc(numOfOutput, POINTER_BYTES);
if (pValCtx == NULL) {
return TSDB_CODE_QRY_OUT_OF_MEMORY;
}
for (int32_t i = 0; i < numOfOutput; ++i) {
if (strcmp(pCtx[i].pExpr->pExpr->_function.functionName, "_select_value") == 0) {
pValCtx[num++] = &pCtx[i];
} else if (fmIsSelectFunc(pCtx[i].functionId)) {
p = &pCtx[i];
}
// if (functionId == FUNCTION_TAG_DUMMY || functionId == FUNCTION_TS_DUMMY) {
// tagLen += pCtx[i].resDataInfo.bytes;
// pTagCtx[num++] = &pCtx[i];
// } else if (functionId == FUNCTION_TS || functionId == FUNCTION_TAG) {
// // tag function may be the group by tag column
// // ts may be the required primary timestamp column
// continue;
// } else {
// // the column may be the normal column, group by normal_column, the functionId is FUNCTION_PRJ
// }
}
if (p != NULL) {
p->subsidiaries.pCtx = pValCtx;
p->subsidiaries.num = num;
} else {
taosMemoryFreeClear(pValCtx);
}
return TSDB_CODE_SUCCESS;
}
SqlFunctionCtx* createSqlFunctionCtx(SExprInfo* pExprInfo, int32_t numOfOutput, int32_t** rowCellInfoOffset) {
SqlFunctionCtx* pFuncCtx = (SqlFunctionCtx*)taosMemoryCalloc(numOfOutput, sizeof(SqlFunctionCtx));
if (pFuncCtx == NULL) {
return NULL;
}
*rowCellInfoOffset = taosMemoryCalloc(numOfOutput, sizeof(int32_t));
if (*rowCellInfoOffset == 0) {
taosMemoryFreeClear(pFuncCtx);
return NULL;
}
for (int32_t i = 0; i < numOfOutput; ++i) {
SExprInfo* pExpr = &pExprInfo[i];
SExprBasicInfo* pFunct = &pExpr->base;
SqlFunctionCtx* pCtx = &pFuncCtx[i];
pCtx->functionId = -1;
pCtx->curBufPage = -1;
pCtx->pExpr = pExpr;
if (pExpr->pExpr->nodeType == QUERY_NODE_FUNCTION) {
SFuncExecEnv env = {0};
pCtx->functionId = pExpr->pExpr->_function.pFunctNode->funcId;
if (fmIsAggFunc(pCtx->functionId) || fmIsIndefiniteRowsFunc(pCtx->functionId)) {
bool isUdaf = fmIsUserDefinedFunc(pCtx->functionId);
if (!isUdaf) {
fmGetFuncExecFuncs(pCtx->functionId, &pCtx->fpSet);
} else {
char* udfName = pExpr->pExpr->_function.pFunctNode->functionName;
strncpy(pCtx->udfName, udfName, strlen(udfName));
fmGetUdafExecFuncs(pCtx->functionId, &pCtx->fpSet);
}
pCtx->fpSet.getEnv(pExpr->pExpr->_function.pFunctNode, &env);
} else {
fmGetScalarFuncExecFuncs(pCtx->functionId, &pCtx->sfp);
if (pCtx->sfp.getEnv != NULL) {
pCtx->sfp.getEnv(pExpr->pExpr->_function.pFunctNode, &env);
}
}
pCtx->resDataInfo.interBufSize = env.calcMemSize;
} else if (pExpr->pExpr->nodeType == QUERY_NODE_COLUMN || pExpr->pExpr->nodeType == QUERY_NODE_OPERATOR ||
pExpr->pExpr->nodeType == QUERY_NODE_VALUE) {
// for simple column, the result buffer needs to hold at least one element.
pCtx->resDataInfo.interBufSize = pFunct->resSchema.bytes;
}
pCtx->input.numOfInputCols = pFunct->numOfParams;
pCtx->input.pData = taosMemoryCalloc(pFunct->numOfParams, POINTER_BYTES);
pCtx->input.pColumnDataAgg = taosMemoryCalloc(pFunct->numOfParams, POINTER_BYTES);
pCtx->pTsOutput = NULL;
pCtx->resDataInfo.bytes = pFunct->resSchema.bytes;
pCtx->resDataInfo.type = pFunct->resSchema.type;
pCtx->order = TSDB_ORDER_ASC;
pCtx->start.key = INT64_MIN;
pCtx->end.key = INT64_MIN;
pCtx->numOfParams = pExpr->base.numOfParams;
pCtx->increase = false;
pCtx->param = pFunct->pParam;
}
for (int32_t i = 1; i < numOfOutput; ++i) {
(*rowCellInfoOffset)[i] =
(int32_t)((*rowCellInfoOffset)[i - 1] + sizeof(SResultRowEntryInfo) + pFuncCtx[i - 1].resDataInfo.interBufSize);
}
setSelectValueColumnInfo(pFuncCtx, numOfOutput);
return pFuncCtx;
}
static void* destroySqlFunctionCtx(SqlFunctionCtx* pCtx, int32_t numOfOutput) {
if (pCtx == NULL) {
return NULL;
}
for (int32_t i = 0; i < numOfOutput; ++i) {
for (int32_t j = 0; j < pCtx[i].numOfParams; ++j) {
taosVariantDestroy(&pCtx[i].param[j].param);
}
taosMemoryFreeClear(pCtx[i].subsidiaries.pCtx);
taosMemoryFree(pCtx[i].input.pData);
taosMemoryFree(pCtx[i].input.pColumnDataAgg);
}
taosMemoryFreeClear(pCtx);
return NULL;
}
bool isTaskKilled(SExecTaskInfo* pTaskInfo) {
// query has been executed more than tsShellActivityTimer, and the retrieve has not arrived
// abort current query execution.
if (pTaskInfo->owner != 0 &&
((taosGetTimestampSec() - pTaskInfo->cost.start / 1000) > 10 * getMaximumIdleDurationSec())
/*(!needBuildResAfterQueryComplete(pTaskInfo))*/) {
assert(pTaskInfo->cost.start != 0);
// qDebug("QInfo:%" PRIu64 " retrieve not arrive beyond %d ms, abort current query execution, start:%" PRId64
// ", current:%d", pQInfo->qId, 1, pQInfo->startExecTs, taosGetTimestampSec());
// return true;
}
return false;
}
void setTaskKilled(SExecTaskInfo* pTaskInfo) { pTaskInfo->code = TSDB_CODE_TSC_QUERY_CANCELLED; }
static bool isCachedLastQuery(STaskAttr* pQueryAttr) {
for (int32_t i = 0; i < pQueryAttr->numOfOutput; ++i) {
int32_t functionId = getExprFunctionId(&pQueryAttr->pExpr1[i]);
// if (functionId == FUNCTION_LAST || functionId == FUNCTION_LAST_DST) {
// continue;
// }
return false;
}
int32_t order = TSDB_ORDER_ASC;
if (order != TSDB_ORDER_DESC || !TSWINDOW_IS_EQUAL(pQueryAttr->window, TSWINDOW_DESC_INITIALIZER)) {
return false;
}
if (pQueryAttr->groupbyColumn) {
return false;
}
if (pQueryAttr->interval.interval > 0) {
return false;
}
if (pQueryAttr->numOfFilterCols > 0 || pQueryAttr->havingNum > 0) {
return false;
}
return true;
}
/////////////////////////////////////////////////////////////////////////////////////////////
// todo refactor : return window
void getAlignQueryTimeWindow(SInterval* pInterval, int32_t precision, int64_t key, STimeWindow* win) {
win->skey = taosTimeTruncate(key, pInterval, precision);
/*
* if the realSkey > INT64_MAX - pInterval->interval, the query duration between
* realSkey and realEkey must be less than one interval.Therefore, no need to adjust the query ranges.
*/
win->ekey = taosTimeAdd(win->skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
if (win->ekey < win->skey) {
win->ekey = INT64_MAX;
}
}
static int32_t updateBlockLoadStatus(STaskAttr* pQuery, int32_t status) {
bool hasFirstLastFunc = false;
bool hasOtherFunc = false;
if (status == BLK_DATA_DATA_LOAD || status == BLK_DATA_FILTEROUT) {
return status;
}
for (int32_t i = 0; i < pQuery->numOfOutput; ++i) {
int32_t functionId = getExprFunctionId(&pQuery->pExpr1[i]);
#if 0
if (functionId == FUNCTION_TS || functionId == FUNCTION_TS_DUMMY || functionId == FUNCTION_TAG ||
functionId == FUNCTION_TAG_DUMMY) {
continue;
}
if (functionId == FUNCTION_FIRST_DST || functionId == FUNCTION_LAST_DST) {
hasFirstLastFunc = true;
} else {
hasOtherFunc = true;
}
#endif
}
if (hasFirstLastFunc && status == BLK_DATA_NOT_LOAD) {
if (!hasOtherFunc) {
return BLK_DATA_FILTEROUT;
} else {
return BLK_DATA_DATA_LOAD;
}
}
return status;
}
// static void updateDataCheckOrder(SQInfo *pQInfo, SQueryTableReq* pQueryMsg, bool stableQuery) {
// STaskAttr* pQueryAttr = pQInfo->runtimeEnv.pQueryAttr;
//
// // in case of point-interpolation query, use asc order scan
// char msg[] = "QInfo:0x%"PRIx64" scan order changed for %s query, old:%d, new:%d, qrange exchanged, old qrange:%"
// PRId64
// "-%" PRId64 ", new qrange:%" PRId64 "-%" PRId64;
//
// // todo handle the case the the order irrelevant query type mixed up with order critical query type
// // descending order query for last_row query
// if (isFirstLastRowQuery(pQueryAttr)) {
// //qDebug("QInfo:0x%"PRIx64" scan order changed for last_row query, old:%d, new:%d", pQInfo->qId,
// pQueryAttr->order.order, TSDB_ORDER_ASC);
//
// pQueryAttr->order.order = TSDB_ORDER_ASC;
// if (pQueryAttr->window.skey > pQueryAttr->window.ekey) {
// TSWAP(pQueryAttr->window.skey, pQueryAttr->window.ekey);
// }
//
// pQueryAttr->needReverseScan = false;
// return;
// }
//
// if (pQueryAttr->groupbyColumn && pQueryAttr->order.order == TSDB_ORDER_DESC) {
// pQueryAttr->order.order = TSDB_ORDER_ASC;
// if (pQueryAttr->window.skey > pQueryAttr->window.ekey) {
// TSWAP(pQueryAttr->window.skey, pQueryAttr->window.ekey);
// }
//
// pQueryAttr->needReverseScan = false;
// doUpdateLastKey(pQueryAttr);
// return;
// }
//
// if (pQueryAttr->pointInterpQuery && pQueryAttr->interval.interval == 0) {
// if (!QUERY_IS_ASC_QUERY(pQueryAttr)) {
// //qDebug(msg, pQInfo->qId, "interp", pQueryAttr->order.order, TSDB_ORDER_ASC, pQueryAttr->window.skey,
// pQueryAttr->window.ekey, pQueryAttr->window.ekey, pQueryAttr->window.skey); TSWAP(pQueryAttr->window.skey,
// pQueryAttr->window.ekey, TSKEY);
// }
//
// pQueryAttr->order.order = TSDB_ORDER_ASC;
// return;
// }
//
// if (pQueryAttr->interval.interval == 0) {
// if (onlyFirstQuery(pQueryAttr)) {
// if (!QUERY_IS_ASC_QUERY(pQueryAttr)) {
// //qDebug(msg, pQInfo->qId, "only-first", pQueryAttr->order.order, TSDB_ORDER_ASC, pQueryAttr->window.skey,
//// pQueryAttr->window.ekey, pQueryAttr->window.ekey, pQueryAttr->window.skey);
//
// TSWAP(pQueryAttr->window.skey, pQueryAttr->window.ekey);
// doUpdateLastKey(pQueryAttr);
// }
//
// pQueryAttr->order.order = TSDB_ORDER_ASC;
// pQueryAttr->needReverseScan = false;
// } else if (onlyLastQuery(pQueryAttr) && notContainSessionOrStateWindow(pQueryAttr)) {
// if (QUERY_IS_ASC_QUERY(pQueryAttr)) {
// //qDebug(msg, pQInfo->qId, "only-last", pQueryAttr->order.order, TSDB_ORDER_DESC, pQueryAttr->window.skey,
//// pQueryAttr->window.ekey, pQueryAttr->window.ekey, pQueryAttr->window.skey);
//
// TSWAP(pQueryAttr->window.skey, pQueryAttr->window.ekey);
// doUpdateLastKey(pQueryAttr);
// }
//
// pQueryAttr->order.order = TSDB_ORDER_DESC;
// pQueryAttr->needReverseScan = false;
// }
//
// } else { // interval query
// if (stableQuery) {
// if (onlyFirstQuery(pQueryAttr)) {
// if (!QUERY_IS_ASC_QUERY(pQueryAttr)) {
// //qDebug(msg, pQInfo->qId, "only-first stable", pQueryAttr->order.order, TSDB_ORDER_ASC,
//// pQueryAttr->window.skey, pQueryAttr->window.ekey, pQueryAttr->window.ekey,
/// pQueryAttr->window.skey);
//
// TSWAP(pQueryAttr->window.skey, pQueryAttr->window.ekey);
// doUpdateLastKey(pQueryAttr);
// }
//
// pQueryAttr->order.order = TSDB_ORDER_ASC;
// pQueryAttr->needReverseScan = false;
// } else if (onlyLastQuery(pQueryAttr)) {
// if (QUERY_IS_ASC_QUERY(pQueryAttr)) {
// //qDebug(msg, pQInfo->qId, "only-last stable", pQueryAttr->order.order, TSDB_ORDER_DESC,
//// pQueryAttr->window.skey, pQueryAttr->window.ekey, pQueryAttr->window.ekey,
/// pQueryAttr->window.skey);
//
// TSWAP(pQueryAttr->window.skey, pQueryAttr->window.ekey);
// doUpdateLastKey(pQueryAttr);
// }
//
// pQueryAttr->order.order = TSDB_ORDER_DESC;
// pQueryAttr->needReverseScan = false;
// }
// }
// }
//}
// static FORCE_INLINE bool doFilterByBlockStatistics(STaskRuntimeEnv* pRuntimeEnv, SDataStatis *pDataStatis,
// SqlFunctionCtx *pCtx, int32_t numOfRows) {
// STaskAttr* pQueryAttr = pRuntimeEnv->pQueryAttr;
//
// if (pDataStatis == NULL || pQueryAttr->pFilters == NULL) {
// return true;
// }
//
// return filterRangeExecute(pQueryAttr->pFilters, pDataStatis, pQueryAttr->numOfCols, numOfRows);
// }
static bool overlapWithTimeWindow(STaskAttr* pQueryAttr, SDataBlockInfo* pBlockInfo) {
STimeWindow w = {0};
TSKEY sk = TMIN(pQueryAttr->window.skey, pQueryAttr->window.ekey);
TSKEY ek = TMAX(pQueryAttr->window.skey, pQueryAttr->window.ekey);
if (true) {
// getAlignQueryTimeWindow(pQueryAttr, pBlockInfo->window.skey, sk, ek, &w);
assert(w.ekey >= pBlockInfo->window.skey);
if (w.ekey < pBlockInfo->window.ekey) {
return true;
}
while (1) {
// getNextTimeWindow(pQueryAttr, &w);
if (w.skey > pBlockInfo->window.ekey) {
break;
}
assert(w.ekey > pBlockInfo->window.ekey);
if (w.skey <= pBlockInfo->window.ekey && w.skey > pBlockInfo->window.skey) {
return true;
}
}
} else {
// getAlignQueryTimeWindow(pQueryAttr, pBlockInfo->window.ekey, sk, ek, &w);
assert(w.skey <= pBlockInfo->window.ekey);
if (w.skey > pBlockInfo->window.skey) {
return true;
}
while (1) {
// getNextTimeWindow(pQueryAttr, &w);
if (w.ekey < pBlockInfo->window.skey) {
break;
}
assert(w.skey < pBlockInfo->window.skey);
if (w.ekey < pBlockInfo->window.ekey && w.ekey >= pBlockInfo->window.skey) {
return true;
}
}
}
return false;
}
void doCompactSDataBlock(SSDataBlock* pBlock, int32_t numOfRows, int8_t* p) {
int32_t len = 0;
int32_t start = 0;
for (int32_t j = 0; j < numOfRows; ++j) {
if (p[j] == 1) {
len++;
} else {
if (len > 0) {
int32_t cstart = j - len;
for (int32_t i = 0; i < pBlock->info.numOfCols; ++i) {
SColumnInfoData* pColumnInfoData = taosArrayGet(pBlock->pDataBlock, i);
int16_t bytes = pColumnInfoData->info.bytes;
memmove(((char*)pColumnInfoData->pData) + start * bytes, pColumnInfoData->pData + cstart * bytes,
len * bytes);
}
start += len;
len = 0;
}
}
}
if (len > 0) {
int32_t cstart = numOfRows - len;
for (int32_t i = 0; i < pBlock->info.numOfCols; ++i) {
SColumnInfoData* pColumnInfoData = taosArrayGet(pBlock->pDataBlock, i);
int16_t bytes = pColumnInfoData->info.bytes;
memmove(pColumnInfoData->pData + start * bytes, pColumnInfoData->pData + cstart * bytes, len * bytes);
}
start += len;
len = 0;
}
pBlock->info.rows = start;
pBlock->pBlockAgg = NULL; // clean the block statistics info
if (start > 0) {
SColumnInfoData* pColumnInfoData = taosArrayGet(pBlock->pDataBlock, 0);
if (pColumnInfoData->info.type == TSDB_DATA_TYPE_TIMESTAMP &&
pColumnInfoData->info.colId == PRIMARYKEY_TIMESTAMP_COL_ID) {
pBlock->info.window.skey = *(int64_t*)pColumnInfoData->pData;
pBlock->info.window.ekey = *(int64_t*)(pColumnInfoData->pData + TSDB_KEYSIZE * (start - 1));
}
}
}
static uint32_t doFilterByBlockTimeWindow(STableScanInfo* pTableScanInfo, SSDataBlock* pBlock) {
SqlFunctionCtx* pCtx = pTableScanInfo->pCtx;
uint32_t status = BLK_DATA_NOT_LOAD;
int32_t numOfOutput = pTableScanInfo->numOfOutput;
for (int32_t i = 0; i < numOfOutput; ++i) {
int32_t functionId = pCtx[i].functionId;
int32_t colId = pTableScanInfo->pExpr[i].base.pParam[0].pCol->colId;
// group by + first/last should not apply the first/last block filter
if (functionId < 0) {
status |= BLK_DATA_DATA_LOAD;
return status;
} else {
// status |= aAggs[functionId].dataReqFunc(&pTableScanInfo->pCtx[i], &pBlock->info.window, colId);
// if ((status & BLK_DATA_DATA_LOAD) == BLK_DATA_DATA_LOAD) {
// return status;
// }
}
}
return status;
}
int32_t loadDataBlockOnDemand(SExecTaskInfo* pTaskInfo, STableScanInfo* pTableScanInfo, SSDataBlock* pBlock,
uint32_t* status) {
*status = BLK_DATA_NOT_LOAD;
pBlock->pDataBlock = NULL;
pBlock->pBlockAgg = NULL;
// int64_t groupId = pRuntimeEnv->current->groupIndex;
// bool ascQuery = QUERY_IS_ASC_QUERY(pQueryAttr);
STaskCostInfo* pCost = &pTaskInfo->cost;
// pCost->totalBlocks += 1;
// pCost->totalRows += pBlock->info.rows;
#if 0
// Calculate all time windows that are overlapping or contain current data block.
// If current data block is contained by all possible time window, do not load current data block.
if (/*pQueryAttr->pFilters || */pQueryAttr->groupbyColumn || pQueryAttr->sw.gap > 0 ||
(QUERY_IS_INTERVAL_QUERY(pQueryAttr) && overlapWithTimeWindow(pTaskInfo, &pBlock->info))) {
(*status) = BLK_DATA_DATA_LOAD;
}
// check if this data block is required to load
if ((*status) != BLK_DATA_DATA_LOAD) {
bool needFilter = true;
// the pCtx[i] result is belonged to previous time window since the outputBuf has not been set yet,
// the filter result may be incorrect. So in case of interval query, we need to set the correct time output buffer
if (QUERY_IS_INTERVAL_QUERY(pQueryAttr)) {
SResultRow* pResult = NULL;
bool masterScan = IS_MAIN_SCAN(pRuntimeEnv);
TSKEY k = ascQuery? pBlock->info.window.skey : pBlock->info.window.ekey;
STimeWindow win = getActiveTimeWindow(pTableScanInfo->pResultRowInfo, k, pQueryAttr);
if (pQueryAttr->pointInterpQuery) {
needFilter = chkWindowOutputBufByKey(pRuntimeEnv, pTableScanInfo->pResultRowInfo, &win, masterScan, &pResult, groupId,
pTableScanInfo->pCtx, pTableScanInfo->numOfOutput,
pTableScanInfo->rowCellInfoOffset);
} else {
if (setResultOutputBufByKey(pRuntimeEnv, pTableScanInfo->pResultRowInfo, pBlock->info.uid, &win, masterScan, &pResult, groupId,
pTableScanInfo->pCtx, pTableScanInfo->numOfOutput,
pTableScanInfo->rowCellInfoOffset) != TSDB_CODE_SUCCESS) {
longjmp(pRuntimeEnv->env, TSDB_CODE_QRY_OUT_OF_MEMORY);
}
}
} else if (pQueryAttr->stableQuery && (!pQueryAttr->tsCompQuery) && (!pQueryAttr->diffQuery)) { // stable aggregate, not interval aggregate or normal column aggregate
doSetTableGroupOutputBuf(pRuntimeEnv, pTableScanInfo->pResultRowInfo, pTableScanInfo->pCtx,
pTableScanInfo->rowCellInfoOffset, pTableScanInfo->numOfOutput,
pRuntimeEnv->current->groupIndex);
}
if (needFilter) {
(*status) = doFilterByBlockTimeWindow(pTableScanInfo, pBlock);
} else {
(*status) = BLK_DATA_DATA_LOAD;
}
}
SDataBlockInfo* pBlockInfo = &pBlock->info;
// *status = updateBlockLoadStatus(pRuntimeEnv->pQueryAttr, *status);
if ((*status) == BLK_DATA_NOT_LOAD || (*status) == BLK_DATA_FILTEROUT) {
//qDebug("QInfo:0x%"PRIx64" data block discard, brange:%" PRId64 "-%" PRId64 ", rows:%d", pQInfo->qId, pBlockInfo->window.skey,
// pBlockInfo->window.ekey, pBlockInfo->rows);
pCost->skipBlocks += 1;
} else if ((*status) == BLK_DATA_SMA_LOAD) {
// this function never returns error?
pCost->loadBlockStatis += 1;
// tsdbRetrieveDataBlockStatisInfo(pTableScanInfo->pTsdbReadHandle, &pBlock->pBlockAgg);
if (pBlock->pBlockAgg == NULL) { // data block statistics does not exist, load data block
// pBlock->pDataBlock = tsdbRetrieveDataBlock(pTableScanInfo->pTsdbReadHandle, NULL);
pCost->totalCheckedRows += pBlock->info.rows;
}
} else {
assert((*status) == BLK_DATA_DATA_LOAD);
// load the data block statistics to perform further filter
pCost->loadBlockStatis += 1;
// tsdbRetrieveDataBlockStatisInfo(pTableScanInfo->pTsdbReadHandle, &pBlock->pBlockAgg);
if (pQueryAttr->topBotQuery && pBlock->pBlockAgg != NULL) {
{ // set previous window
if (QUERY_IS_INTERVAL_QUERY(pQueryAttr)) {
SResultRow* pResult = NULL;
bool masterScan = IS_MAIN_SCAN(pRuntimeEnv);
TSKEY k = ascQuery? pBlock->info.window.skey : pBlock->info.window.ekey;
STimeWindow win = getActiveTimeWindow(pTableScanInfo->pResultRowInfo, k, pQueryAttr);
if (setResultOutputBufByKey(pRuntimeEnv, pTableScanInfo->pResultRowInfo, pBlock->info.uid, &win, masterScan, &pResult, groupId,
pTableScanInfo->pCtx, pTableScanInfo->numOfOutput,
pTableScanInfo->rowCellInfoOffset) != TSDB_CODE_SUCCESS) {
longjmp(pRuntimeEnv->env, TSDB_CODE_QRY_OUT_OF_MEMORY);
}
}
}
bool load = false;
for (int32_t i = 0; i < pQueryAttr->numOfOutput; ++i) {
int32_t functionId = pTableScanInfo->pCtx[i].functionId;
if (functionId == FUNCTION_TOP || functionId == FUNCTION_BOTTOM) {
// load = topbot_datablock_filter(&pTableScanInfo->pCtx[i], (char*)&(pBlock->pBlockAgg[i].min),
// (char*)&(pBlock->pBlockAgg[i].max));
if (!load) { // current block has been discard due to filter applied
pCost->skipBlocks += 1;
//qDebug("QInfo:0x%"PRIx64" data block discard, brange:%" PRId64 "-%" PRId64 ", rows:%d", pQInfo->qId,
// pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
(*status) = BLK_DATA_FILTEROUT;
return TSDB_CODE_SUCCESS;
}
}
}
}
// current block has been discard due to filter applied
// if (!doFilterByBlockStatistics(pRuntimeEnv, pBlock->pBlockAgg, pTableScanInfo->pCtx, pBlockInfo->rows)) {
// pCost->skipBlocks += 1;
// qDebug("QInfo:0x%"PRIx64" data block discard, brange:%" PRId64 "-%" PRId64 ", rows:%d", pQInfo->qId, pBlockInfo->window.skey,
// pBlockInfo->window.ekey, pBlockInfo->rows);
// (*status) = BLK_DATA_FILTEROUT;
// return TSDB_CODE_SUCCESS;
// }
pCost->totalCheckedRows += pBlockInfo->rows;
pCost->loadBlocks += 1;
// pBlock->pDataBlock = tsdbRetrieveDataBlock(pTableScanInfo->pTsdbReadHandle, NULL);
// if (pBlock->pDataBlock == NULL) {
// return terrno;
// }
// if (pQueryAttr->pFilters != NULL) {
// filterSetColFieldData(pQueryAttr->pFilters, pBlock->info.numOfCols, pBlock->pDataBlock);
// }
// if (pQueryAttr->pFilters != NULL || pRuntimeEnv->pTsBuf != NULL) {
// filterColRowsInDataBlock(pRuntimeEnv, pBlock, ascQuery);
// }
}
#endif
return TSDB_CODE_SUCCESS;
}
static void updateTableQueryInfoForReverseScan(STableQueryInfo* pTableQueryInfo) {
if (pTableQueryInfo == NULL) {
return;
}
// TSWAP(pTableQueryInfo->win.skey, pTableQueryInfo->win.ekey);
// pTableQueryInfo->lastKey = pTableQueryInfo->win.skey;
// SWITCH_ORDER(pTableQueryInfo->cur.order);
// pTableQueryInfo->cur.vgroupIndex = -1;
// set the index to be the end slot of result rows array
// SResultRowInfo* pResultRowInfo = &pTableQueryInfo->resInfo;
// if (pResultRowInfo->size > 0) {
// pResultRowInfo->curPos = pResultRowInfo->size - 1;
// } else {
// pResultRowInfo->curPos = -1;
// }
}
void initResultRow(SResultRow* pResultRow) {
// pResultRow->pEntryInfo = (struct SResultRowEntryInfo*)((char*)pResultRow + sizeof(SResultRow));
}
/*
* The start of each column SResultRowEntryInfo is denote by RowCellInfoOffset.
* Note that in case of top/bottom query, the whole multiple rows of result is treated as only one row of results.
* +------------+-----------------result column 1------------+------------------result column 2-----------+
* | SResultRow | SResultRowEntryInfo | intermediate buffer1 | SResultRowEntryInfo | intermediate buffer 2|
* +------------+--------------------------------------------+--------------------------------------------+
* offset[0] offset[1] offset[2]
*/
// TODO refactor: some function move away
void setFunctionResultOutput(SOptrBasicInfo* pInfo, SAggSupporter* pSup, int32_t stage, int32_t numOfExprs,
SExecTaskInfo* pTaskInfo) {
SqlFunctionCtx* pCtx = pInfo->pCtx;
SSDataBlock* pDataBlock = pInfo->pRes;
int32_t* rowCellInfoOffset = pInfo->rowCellInfoOffset;
SResultRowInfo* pResultRowInfo = &pInfo->resultRowInfo;
initResultRowInfo(pResultRowInfo, 16);
int64_t tid = 0;
int64_t groupId = 0;
SResultRow* pRow = doSetResultOutBufByKey(pSup->pResultBuf, pResultRowInfo, (char*)&tid, sizeof(tid), true, groupId,
pTaskInfo, false, pSup);
for (int32_t i = 0; i < numOfExprs; ++i) {
struct SResultRowEntryInfo* pEntry = getResultCell(pRow, i, rowCellInfoOffset);
cleanupResultRowEntry(pEntry);
pCtx[i].resultInfo = pEntry;
pCtx[i].scanFlag = stage;
}
initCtxOutputBuffer(pCtx, numOfExprs);
}
void updateOutputBuf(SOptrBasicInfo* pBInfo, int32_t* bufCapacity, int32_t numOfInputRows) {
SSDataBlock* pDataBlock = pBInfo->pRes;
int32_t newSize = pDataBlock->info.rows + numOfInputRows + 5; // extra output buffer
if ((*bufCapacity) < newSize) {
for (int32_t i = 0; i < pDataBlock->info.numOfCols; ++i) {
SColumnInfoData* pColInfo = taosArrayGet(pDataBlock->pDataBlock, i);
char* p = taosMemoryRealloc(pColInfo->pData, newSize * pColInfo->info.bytes);
if (p != NULL) {
pColInfo->pData = p;
// it starts from the tail of the previously generated results.
pBInfo->pCtx[i].pOutput = pColInfo->pData;
(*bufCapacity) = newSize;
} else {
// longjmp
}
}
}
for (int32_t i = 0; i < pDataBlock->info.numOfCols; ++i) {
SColumnInfoData* pColInfo = taosArrayGet(pDataBlock->pDataBlock, i);
pBInfo->pCtx[i].pOutput = pColInfo->pData + pColInfo->info.bytes * pDataBlock->info.rows;
// set the correct pointer after the memory buffer reallocated.
int32_t functionId = pBInfo->pCtx[i].functionId;
#if 0
if (functionId == FUNCTION_TOP || functionId == FUNCTION_BOTTOM || functionId == FUNCTION_DIFF ||
functionId == FUNCTION_DERIVATIVE) {
// if (i > 0) pBInfo->pCtx[i].pTsOutput = pBInfo->pCtx[i - 1].pOutput;
}
#endif
}
}
void initCtxOutputBuffer(SqlFunctionCtx* pCtx, int32_t size) {
for (int32_t j = 0; j < size; ++j) {
struct SResultRowEntryInfo* pResInfo = GET_RES_INFO(&pCtx[j]);
if (isRowEntryInitialized(pResInfo) || fmIsPseudoColumnFunc(pCtx[j].functionId) || pCtx[j].functionId == -1 ||
fmIsScalarFunc(pCtx[j].functionId)) {
continue;
}
pCtx[j].fpSet.init(&pCtx[j], pCtx[j].resultInfo);
}
}
void setTaskStatus(SExecTaskInfo* pTaskInfo, int8_t status) {
if (status == TASK_NOT_COMPLETED) {
pTaskInfo->status = status;
} else {
// QUERY_NOT_COMPLETED is not compatible with any other status, so clear its position first
CLEAR_QUERY_STATUS(pTaskInfo, TASK_NOT_COMPLETED);
pTaskInfo->status |= status;
}
}
void destroyTableQueryInfoImpl(STableQueryInfo* pTableQueryInfo) {
if (pTableQueryInfo == NULL) {
return;
}
// taosVariantDestroy(&pTableQueryInfo->tag);
// cleanupResultRowInfo(&pTableQueryInfo->resInfo);
}
void setResultRowInitCtx(SResultRow* pResult, SqlFunctionCtx* pCtx, int32_t numOfOutput, int32_t* rowCellInfoOffset) {
for (int32_t i = 0; i < numOfOutput; ++i) {
pCtx[i].resultInfo = getResultCell(pResult, i, rowCellInfoOffset);
struct SResultRowEntryInfo* pResInfo = pCtx[i].resultInfo;
if (isRowEntryCompleted(pResInfo) && isRowEntryInitialized(pResInfo)) {
continue;
}
if (fmIsWindowPseudoColumnFunc(pCtx[i].functionId)) {
continue;
}
if (!pResInfo->initialized) {
if (pCtx[i].functionId != -1) {
pCtx[i].fpSet.init(&pCtx[i], pResInfo);
} else {
pResInfo->initialized = true;
}
}
}
}
static void extractQualifiedTupleByFilterResult(SSDataBlock* pBlock, const int8_t* rowRes, bool keep);
void doFilter(const SNode* pFilterNode, SSDataBlock* pBlock) {
if (pFilterNode == NULL) {
return;
}
SFilterInfo* filter = NULL;
// todo move to the initialization function
int32_t code = filterInitFromNode((SNode*)pFilterNode, &filter, 0);
SFilterColumnParam param1 = {.numOfCols = pBlock->info.numOfCols, .pDataBlock = pBlock->pDataBlock};
code = filterSetDataFromSlotId(filter, &param1);
int8_t* rowRes = NULL;
// todo the keep seems never to be True??
bool keep = filterExecute(filter, pBlock, &rowRes, NULL, param1.numOfCols);
filterFreeInfo(filter);
extractQualifiedTupleByFilterResult(pBlock, rowRes, keep);
blockDataUpdateTsWindow(pBlock, 0);
}
void extractQualifiedTupleByFilterResult(SSDataBlock* pBlock, const int8_t* rowRes, bool keep) {
if (keep) {
return;
}
if (rowRes != NULL) {
SSDataBlock* px = createOneDataBlock(pBlock, true);
int32_t totalRows = pBlock->info.rows;
for (int32_t i = 0; i < pBlock->info.numOfCols; ++i) {
SColumnInfoData* pSrc = taosArrayGet(px->pDataBlock, i);
SColumnInfoData* pDst = taosArrayGet(pBlock->pDataBlock, i);
// it is a reserved column for scalar function, and no data in this column yet.
if (pDst->pData == NULL) {
continue;
}
colInfoDataCleanup(pDst, pBlock->info.rows);
int32_t numOfRows = 0;
for (int32_t j = 0; j < totalRows; ++j) {
if (rowRes[j] == 0) {
continue;
}
if (colDataIsNull_s(pSrc, j)) {
colDataAppendNULL(pDst, numOfRows);
} else {
colDataAppend(pDst, numOfRows, colDataGetData(pSrc, j), false);
}
numOfRows += 1;
}
if (pBlock->info.rows == totalRows) {
pBlock->info.rows = numOfRows;
} else {
ASSERT(pBlock->info.rows == numOfRows);
}
}
blockDataDestroy(px); // fix memory leak
} else {
// do nothing
pBlock->info.rows = 0;
}
}
void doSetTableGroupOutputBuf(SAggOperatorInfo* pAggInfo, int32_t numOfOutput, uint64_t groupId,
SExecTaskInfo* pTaskInfo) {
// for simple group by query without interval, all the tables belong to one group result.
int64_t uid = 0;
SResultRowInfo* pResultRowInfo = &pAggInfo->binfo.resultRowInfo;
SqlFunctionCtx* pCtx = pAggInfo->binfo.pCtx;
int32_t* rowCellInfoOffset = pAggInfo->binfo.rowCellInfoOffset;
SResultRow* pResultRow = doSetResultOutBufByKey(pAggInfo->aggSup.pResultBuf, pResultRowInfo, (char*)&groupId,
sizeof(groupId), true, groupId, pTaskInfo, false, &pAggInfo->aggSup);
assert(pResultRow != NULL);
/*
* not assign result buffer yet, add new result buffer
* all group belong to one result set, and each group result has different group id so set the id to be one
*/
if (pResultRow->pageId == -1) {
int32_t ret =
addNewWindowResultBuf(pResultRow, pAggInfo->aggSup.pResultBuf, groupId, pAggInfo->binfo.pRes->info.rowSize);
if (ret != TSDB_CODE_SUCCESS) {
return;
}
}
setResultRowInitCtx(pResultRow, pCtx, numOfOutput, rowCellInfoOffset);
}
void setExecutionContext(int32_t numOfOutput, uint64_t groupId, SExecTaskInfo* pTaskInfo, SAggOperatorInfo* pAggInfo) {
if (pAggInfo->groupId != INT32_MIN && pAggInfo->groupId == groupId) {
return;
}
doSetTableGroupOutputBuf(pAggInfo, numOfOutput, groupId, pTaskInfo);
// record the current active group id
pAggInfo->groupId = groupId;
}
static void doUpdateNumOfRows(SResultRow* pRow, int32_t numOfExprs, const int32_t* rowCellOffset) {
for (int32_t j = 0; j < numOfExprs; ++j) {
struct SResultRowEntryInfo* pResInfo = getResultCell(pRow, j, rowCellOffset);
if (!isRowEntryInitialized(pResInfo)) {
continue;
}
if (pRow->numOfRows < pResInfo->numOfRes) {
pRow->numOfRows = pResInfo->numOfRes;
}
}
}
int32_t finalizeResultRowIntoResultDataBlock(SDiskbasedBuf* pBuf, SResultRowPosition* resultRowPosition,
SqlFunctionCtx* pCtx, SExprInfo* pExprInfo, int32_t numOfExprs,
const int32_t* rowCellOffset, SSDataBlock* pBlock,
SExecTaskInfo* pTaskInfo) {
SFilePage* page = getBufPage(pBuf, resultRowPosition->pageId);
SResultRow* pRow = (SResultRow*)((char*)page + resultRowPosition->offset);
doUpdateNumOfRows(pRow, numOfExprs, rowCellOffset);
if (pRow->numOfRows == 0) {
releaseBufPage(pBuf, page);
return 0;
}
while (pBlock->info.rows + pRow->numOfRows > pBlock->info.capacity) {
int32_t code = blockDataEnsureCapacity(pBlock, pBlock->info.capacity * 1.25);
if (TAOS_FAILED(code)) {
releaseBufPage(pBuf, page);
qError("%s ensure result data capacity failed, code %s", GET_TASKID(pTaskInfo), tstrerror(code));
longjmp(pTaskInfo->env, code);
}
}
for (int32_t j = 0; j < numOfExprs; ++j) {
int32_t slotId = pExprInfo[j].base.resSchema.slotId;
pCtx[j].resultInfo = getResultCell(pRow, j, rowCellOffset);
if (pCtx[j].fpSet.finalize) {
int32_t code = pCtx[j].fpSet.finalize(&pCtx[j], pBlock);
if (TAOS_FAILED(code)) {
qError("%s build result data block error, code %s", GET_TASKID(pTaskInfo), tstrerror(code));
longjmp(pTaskInfo->env, code);
}
} else if (strcmp(pCtx[j].pExpr->pExpr->_function.functionName, "_select_value") == 0) {
// do nothing, todo refactor
} else {
// expand the result into multiple rows. E.g., _wstartts, top(k, 20)
// the _wstartts needs to copy to 20 following rows, since the results of top-k expands to 20 different rows.
SColumnInfoData* pColInfoData = taosArrayGet(pBlock->pDataBlock, slotId);
char* in = GET_ROWCELL_INTERBUF(pCtx[j].resultInfo);
for (int32_t k = 0; k < pRow->numOfRows; ++k) {
colDataAppend(pColInfoData, pBlock->info.rows + k, in, pCtx[j].resultInfo->isNullRes);
}
}
}
releaseBufPage(pBuf, page);
pBlock->info.rows += pRow->numOfRows;
return 0;
}
int32_t doCopyToSDataBlock(SExecTaskInfo* pTaskInfo, SSDataBlock* pBlock, SExprInfo* pExprInfo, SDiskbasedBuf* pBuf,
SGroupResInfo* pGroupResInfo, const int32_t* rowCellOffset, SqlFunctionCtx* pCtx,
int32_t numOfExprs) {
int32_t numOfRows = getNumOfTotalRes(pGroupResInfo);
int32_t start = pGroupResInfo->index;
for (int32_t i = start; i < numOfRows; i += 1) {
SResKeyPos* pPos = taosArrayGetP(pGroupResInfo->pRows, i);
SFilePage* page = getBufPage(pBuf, pPos->pos.pageId);
SResultRow* pRow = (SResultRow*)((char*)page + pPos->pos.offset);
doUpdateNumOfRows(pRow, numOfExprs, rowCellOffset);
if (pRow->numOfRows == 0) {
pGroupResInfo->index += 1;
releaseBufPage(pBuf, page);
continue;
}
if (pBlock->info.groupId == 0) {
pBlock->info.groupId = pPos->groupId;
} else {
// current value belongs to different group, it can't be packed into one datablock
if (pBlock->info.groupId != pPos->groupId) {
releaseBufPage(pBuf, page);
break;
}
}
if (pBlock->info.rows + pRow->numOfRows > pBlock->info.capacity) {
releaseBufPage(pBuf, page);
break;
}
pGroupResInfo->index += 1;
for (int32_t j = 0; j < numOfExprs; ++j) {
int32_t slotId = pExprInfo[j].base.resSchema.slotId;
pCtx[j].resultInfo = getResultCell(pRow, j, rowCellOffset);
if (pCtx[j].fpSet.finalize) {
int32_t code = pCtx[j].fpSet.finalize(&pCtx[j], pBlock);
if (TAOS_FAILED(code)) {
qError("%s build result data block error, code %s", GET_TASKID(pTaskInfo), tstrerror(code));
longjmp(pTaskInfo->env, code);
}
} else if (strcmp(pCtx[j].pExpr->pExpr->_function.functionName, "_select_value") == 0) {
// do nothing, todo refactor
} else {
// expand the result into multiple rows. E.g., _wstartts, top(k, 20)
// the _wstartts needs to copy to 20 following rows, since the results of top-k expands to 20 different rows.
SColumnInfoData* pColInfoData = taosArrayGet(pBlock->pDataBlock, slotId);
char* in = GET_ROWCELL_INTERBUF(pCtx[j].resultInfo);
if (pCtx[j].increase) {
int64_t ts = *(int64_t*)in;
for (int32_t k = 0; k < pRow->numOfRows; ++k) {
colDataAppend(pColInfoData, pBlock->info.rows + k, (const char*)&ts, pCtx[j].resultInfo->isNullRes);
ts++;
}
} else {
for (int32_t k = 0; k < pRow->numOfRows; ++k) {
colDataAppend(pColInfoData, pBlock->info.rows + k, in, pCtx[j].resultInfo->isNullRes);
}
}
}
}
releaseBufPage(pBuf, page);
pBlock->info.rows += pRow->numOfRows;
if (pBlock->info.rows >= pBlock->info.capacity) { // output buffer is full
break;
}
}
qDebug("%s result generated, rows:%d, groupId:%" PRIu64, GET_TASKID(pTaskInfo), pBlock->info.rows,
pBlock->info.groupId);
blockDataUpdateTsWindow(pBlock, 0);
return 0;
}
void doBuildResultDatablock(SOperatorInfo* pOperator, SOptrBasicInfo* pbInfo, SGroupResInfo* pGroupResInfo,
SDiskbasedBuf* pBuf) {
SExprInfo* pExprInfo = pOperator->pExpr;
int32_t numOfExprs = pOperator->numOfExprs;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
int32_t* rowCellOffset = pbInfo->rowCellInfoOffset;
SSDataBlock* pBlock = pbInfo->pRes;
SqlFunctionCtx* pCtx = pbInfo->pCtx;
blockDataCleanup(pBlock);
if (!hashRemainDataInGroupInfo(pGroupResInfo)) {
return;
}
// clear the existed group id
pBlock->info.groupId = 0;
doCopyToSDataBlock(pTaskInfo, pBlock, pExprInfo, pBuf, pGroupResInfo, rowCellOffset, pCtx, numOfExprs);
}
static void updateNumOfRowsInResultRows(SqlFunctionCtx* pCtx, int32_t numOfOutput, SResultRowInfo* pResultRowInfo,
int32_t* rowCellInfoOffset) {
// update the number of result for each, only update the number of rows for the corresponding window result.
// if (QUERY_IS_INTERVAL_QUERY(pQueryAttr)) {
// return;
// }
#if 0
for (int32_t i = 0; i < pResultRowInfo->size; ++i) {
SResultRow* pResult = pResultRowInfo->pResult[i];
for (int32_t j = 0; j < numOfOutput; ++j) {
int32_t functionId = pCtx[j].functionId;
if (functionId == FUNCTION_TS || functionId == FUNCTION_TAG || functionId == FUNCTION_TAGPRJ) {
continue;
}
SResultRowEntryInfo* pCell = getResultCell(pResult, j, rowCellInfoOffset);
pResult->numOfRows = (uint16_t)(TMAX(pResult->numOfRows, pCell->numOfRes));
}
}
#endif
}
static int32_t compressQueryColData(SColumnInfoData* pColRes, int32_t numOfRows, char* data, int8_t compressed) {
int32_t colSize = pColRes->info.bytes * numOfRows;
return (*(tDataTypes[pColRes->info.type].compFunc))(pColRes->pData, colSize, numOfRows, data,
colSize + COMP_OVERFLOW_BYTES, compressed, NULL, 0);
}
int32_t doFillTimeIntervalGapsInResults(struct SFillInfo* pFillInfo, SSDataBlock* pBlock, int32_t capacity) {
int32_t numOfRows = (int32_t)taosFillResultDataBlock(pFillInfo, pBlock, capacity - pBlock->info.rows);
pBlock->info.rows += numOfRows;
return pBlock->info.rows;
}
void queryCostStatis(SExecTaskInfo* pTaskInfo) {
STaskCostInfo* pSummary = &pTaskInfo->cost;
// uint64_t hashSize = taosHashGetMemSize(pQInfo->runtimeEnv.pResultRowHashTable);
// hashSize += taosHashGetMemSize(pRuntimeEnv->tableqinfoGroupInfo.map);
// pSummary->hashSize = hashSize;
// add the merge time
pSummary->elapsedTime += pSummary->firstStageMergeTime;
// SResultRowPool* p = pTaskInfo->pool;
// if (p != NULL) {
// pSummary->winInfoSize = getResultRowPoolMemSize(p);
// pSummary->numOfTimeWindows = getNumOfAllocatedResultRows(p);
// } else {
// pSummary->winInfoSize = 0;
// pSummary->numOfTimeWindows = 0;
// }
//
// calculateOperatorProfResults(pQInfo);
SFileBlockLoadRecorder* pRecorder = pSummary->pRecoder;
if (pSummary->pRecoder != NULL) {
qDebug("%s :cost summary: elapsed time:%" PRId64 " us, first merge:%" PRId64
" us, total blocks:%d, "
"load block statis:%d, load data block:%d, total rows:%" PRId64 ", check rows:%" PRId64,
GET_TASKID(pTaskInfo), pSummary->elapsedTime, pSummary->firstStageMergeTime, pRecorder->totalBlocks,
pRecorder->loadBlockStatis, pRecorder->loadBlocks, pRecorder->totalRows, pRecorder->totalCheckedRows);
}
// qDebug("QInfo:0x%"PRIx64" :cost summary: winResPool size:%.2f Kb, numOfWin:%"PRId64", tableInfoSize:%.2f Kb,
// hashTable:%.2f Kb", pQInfo->qId, pSummary->winInfoSize/1024.0,
// pSummary->numOfTimeWindows, pSummary->tableInfoSize/1024.0, pSummary->hashSize/1024.0);
}
// static void updateOffsetVal(STaskRuntimeEnv *pRuntimeEnv, SDataBlockInfo *pBlockInfo) {
// STaskAttr *pQueryAttr = pRuntimeEnv->pQueryAttr;
// STableQueryInfo* pTableQueryInfo = pRuntimeEnv->current;
//
// int32_t step = GET_FORWARD_DIRECTION_FACTOR(pQueryAttr->order.order);
//
// if (pQueryAttr->limit.offset == pBlockInfo->rows) { // current block will ignore completed
// pTableQueryInfo->lastKey = QUERY_IS_ASC_QUERY(pQueryAttr) ? pBlockInfo->window.ekey + step :
// pBlockInfo->window.skey + step; pQueryAttr->limit.offset = 0; return;
// }
//
// if (QUERY_IS_ASC_QUERY(pQueryAttr)) {
// pQueryAttr->pos = (int32_t)pQueryAttr->limit.offset;
// } else {
// pQueryAttr->pos = pBlockInfo->rows - (int32_t)pQueryAttr->limit.offset - 1;
// }
//
// assert(pQueryAttr->pos >= 0 && pQueryAttr->pos <= pBlockInfo->rows - 1);
//
// SArray * pDataBlock = tsdbRetrieveDataBlock(pRuntimeEnv->pTsdbReadHandle, NULL);
// SColumnInfoData *pColInfoData = taosArrayGet(pDataBlock, 0);
//
// // update the pQueryAttr->limit.offset value, and pQueryAttr->pos value
// TSKEY *keys = (TSKEY *) pColInfoData->pData;
//
// // update the offset value
// pTableQueryInfo->lastKey = keys[pQueryAttr->pos];
// pQueryAttr->limit.offset = 0;
//
// int32_t numOfRes = tableApplyFunctionsOnBlock(pRuntimeEnv, pBlockInfo, NULL, binarySearchForKey, pDataBlock);
//
// //qDebug("QInfo:0x%"PRIx64" check data block, brange:%" PRId64 "-%" PRId64 ", numBlocksOfStep:%d, numOfRes:%d,
// lastKey:%"PRId64, GET_TASKID(pRuntimeEnv),
// pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows, numOfRes, pQuery->current->lastKey);
// }
// void skipBlocks(STaskRuntimeEnv *pRuntimeEnv) {
// STaskAttr *pQueryAttr = pRuntimeEnv->pQueryAttr;
//
// if (pQueryAttr->limit.offset <= 0 || pQueryAttr->numOfFilterCols > 0) {
// return;
// }
//
// pQueryAttr->pos = 0;
// int32_t step = GET_FORWARD_DIRECTION_FACTOR(pQueryAttr->order.order);
//
// STableQueryInfo* pTableQueryInfo = pRuntimeEnv->current;
// TsdbQueryHandleT pTsdbReadHandle = pRuntimeEnv->pTsdbReadHandle;
//
// SDataBlockInfo blockInfo = SDATA_BLOCK_INITIALIZER;
// while (tsdbNextDataBlock(pTsdbReadHandle)) {
// if (isTaskKilled(pRuntimeEnv->qinfo)) {
// longjmp(pRuntimeEnv->env, TSDB_CODE_TSC_QUERY_CANCELLED);
// }
//
// tsdbRetrieveDataBlockInfo(pTsdbReadHandle, &blockInfo);
//
// if (pQueryAttr->limit.offset > blockInfo.rows) {
// pQueryAttr->limit.offset -= blockInfo.rows;
// pTableQueryInfo->lastKey = (QUERY_IS_ASC_QUERY(pQueryAttr)) ? blockInfo.window.ekey : blockInfo.window.skey;
// pTableQueryInfo->lastKey += step;
//
// //qDebug("QInfo:0x%"PRIx64" skip rows:%d, offset:%" PRId64, GET_TASKID(pRuntimeEnv), blockInfo.rows,
// pQuery->limit.offset);
// } else { // find the appropriated start position in current block
// updateOffsetVal(pRuntimeEnv, &blockInfo);
// break;
// }
// }
//
// if (terrno != TSDB_CODE_SUCCESS) {
// longjmp(pRuntimeEnv->env, terrno);
// }
// }
// static TSKEY doSkipIntervalProcess(STaskRuntimeEnv* pRuntimeEnv, STimeWindow* win, SDataBlockInfo* pBlockInfo,
// STableQueryInfo* pTableQueryInfo) {
// STaskAttr *pQueryAttr = pRuntimeEnv->pQueryAttr;
// SResultRowInfo *pWindowResInfo = &pRuntimeEnv->resultRowInfo;
//
// assert(pQueryAttr->limit.offset == 0);
// STimeWindow tw = *win;
// getNextTimeWindow(pQueryAttr, &tw);
//
// if ((tw.skey <= pBlockInfo->window.ekey && QUERY_IS_ASC_QUERY(pQueryAttr)) ||
// (tw.ekey >= pBlockInfo->window.skey && !QUERY_IS_ASC_QUERY(pQueryAttr))) {
//
// // load the data block and check data remaining in current data block
// // TODO optimize performance
// SArray * pDataBlock = tsdbRetrieveDataBlock(pRuntimeEnv->pTsdbReadHandle, NULL);
// SColumnInfoData *pColInfoData = taosArrayGet(pDataBlock, 0);
//
// tw = *win;
// int32_t startPos =
// getNextQualifiedWindow(pQueryAttr, &tw, pBlockInfo, pColInfoData->pData, binarySearchForKey, -1);
// assert(startPos >= 0);
//
// // set the abort info
// pQueryAttr->pos = startPos;
//
// // reset the query start timestamp
// pTableQueryInfo->win.skey = ((TSKEY *)pColInfoData->pData)[startPos];
// pQueryAttr->window.skey = pTableQueryInfo->win.skey;
// TSKEY key = pTableQueryInfo->win.skey;
//
// pWindowResInfo->prevSKey = tw.skey;
// int32_t index = pRuntimeEnv->resultRowInfo.curIndex;
//
// int32_t numOfRes = tableApplyFunctionsOnBlock(pRuntimeEnv, pBlockInfo, NULL, binarySearchForKey, pDataBlock);
// pRuntimeEnv->resultRowInfo.curIndex = index; // restore the window index
//
// //qDebug("QInfo:0x%"PRIx64" check data block, brange:%" PRId64 "-%" PRId64 ", numOfRows:%d, numOfRes:%d,
// lastKey:%" PRId64,
// GET_TASKID(pRuntimeEnv), pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows, numOfRes,
// pQueryAttr->current->lastKey);
//
// return key;
// } else { // do nothing
// pQueryAttr->window.skey = tw.skey;
// pWindowResInfo->prevSKey = tw.skey;
// pTableQueryInfo->lastKey = tw.skey;
//
// return tw.skey;
// }
//
// return true;
// }
// static bool skipTimeInterval(STaskRuntimeEnv *pRuntimeEnv, TSKEY* start) {
// STaskAttr *pQueryAttr = pRuntimeEnv->pQueryAttr;
// if (QUERY_IS_ASC_QUERY(pQueryAttr)) {
// assert(*start <= pRuntimeEnv->current->lastKey);
// } else {
// assert(*start >= pRuntimeEnv->current->lastKey);
// }
//
// // if queried with value filter, do NOT forward query start position
// if (pQueryAttr->limit.offset <= 0 || pQueryAttr->numOfFilterCols > 0 || pRuntimeEnv->pTsBuf != NULL ||
// pRuntimeEnv->pFillInfo != NULL) {
// return true;
// }
//
// /*
// * 1. for interval without interpolation query we forward pQueryAttr->interval.interval at a time for
// * pQueryAttr->limit.offset times. Since hole exists, pQueryAttr->interval.interval*pQueryAttr->limit.offset
// value is
// * not valid. otherwise, we only forward pQueryAttr->limit.offset number of points
// */
// assert(pRuntimeEnv->resultRowInfo.prevSKey == TSKEY_INITIAL_VAL);
//
// STimeWindow w = TSWINDOW_INITIALIZER;
// bool ascQuery = QUERY_IS_ASC_QUERY(pQueryAttr);
//
// SResultRowInfo *pWindowResInfo = &pRuntimeEnv->resultRowInfo;
// STableQueryInfo *pTableQueryInfo = pRuntimeEnv->current;
//
// SDataBlockInfo blockInfo = SDATA_BLOCK_INITIALIZER;
// while (tsdbNextDataBlock(pRuntimeEnv->pTsdbReadHandle)) {
// tsdbRetrieveDataBlockInfo(pRuntimeEnv->pTsdbReadHandle, &blockInfo);
//
// if (QUERY_IS_ASC_QUERY(pQueryAttr)) {
// if (pWindowResInfo->prevSKey == TSKEY_INITIAL_VAL) {
// getAlignQueryTimeWindow(pQueryAttr, blockInfo.window.skey, blockInfo.window.skey, pQueryAttr->window.ekey,
// &w); pWindowResInfo->prevSKey = w.skey;
// }
// } else {
// getAlignQueryTimeWindow(pQueryAttr, blockInfo.window.ekey, pQueryAttr->window.ekey, blockInfo.window.ekey, &w);
// pWindowResInfo->prevSKey = w.skey;
// }
//
// // the first time window
// STimeWindow win = getActiveTimeWindow(pWindowResInfo, pWindowResInfo->prevSKey, pQueryAttr);
//
// while (pQueryAttr->limit.offset > 0) {
// STimeWindow tw = win;
//
// if ((win.ekey <= blockInfo.window.ekey && ascQuery) || (win.ekey >= blockInfo.window.skey && !ascQuery)) {
// pQueryAttr->limit.offset -= 1;
// pWindowResInfo->prevSKey = win.skey;
//
// // current time window is aligned with blockInfo.window.ekey
// // restart it from next data block by set prevSKey to be TSKEY_INITIAL_VAL;
// if ((win.ekey == blockInfo.window.ekey && ascQuery) || (win.ekey == blockInfo.window.skey && !ascQuery)) {
// pWindowResInfo->prevSKey = TSKEY_INITIAL_VAL;
// }
// }
//
// if (pQueryAttr->limit.offset == 0) {
// *start = doSkipIntervalProcess(pRuntimeEnv, &win, &blockInfo, pTableQueryInfo);
// return true;
// }
//
// // current window does not ended in current data block, try next data block
// getNextTimeWindow(pQueryAttr, &tw);
//
// /*
// * If the next time window still starts from current data block,
// * load the primary timestamp column first, and then find the start position for the next queried time window.
// * Note that only the primary timestamp column is required.
// * TODO: Optimize for this cases. All data blocks are not needed to be loaded, only if the first actually
// required
// * time window resides in current data block.
// */
// if ((tw.skey <= blockInfo.window.ekey && ascQuery) || (tw.ekey >= blockInfo.window.skey && !ascQuery)) {
//
// SArray *pDataBlock = tsdbRetrieveDataBlock(pRuntimeEnv->pTsdbReadHandle, NULL);
// SColumnInfoData *pColInfoData = taosArrayGet(pDataBlock, 0);
//
// if ((win.ekey > blockInfo.window.ekey && ascQuery) || (win.ekey < blockInfo.window.skey && !ascQuery)) {
// pQueryAttr->limit.offset -= 1;
// }
//
// if (pQueryAttr->limit.offset == 0) {
// *start = doSkipIntervalProcess(pRuntimeEnv, &win, &blockInfo, pTableQueryInfo);
// return true;
// } else {
// tw = win;
// int32_t startPos =
// getNextQualifiedWindow(pQueryAttr, &tw, &blockInfo, pColInfoData->pData, binarySearchForKey, -1);
// assert(startPos >= 0);
//
// // set the abort info
// pQueryAttr->pos = startPos;
// pTableQueryInfo->lastKey = ((TSKEY *)pColInfoData->pData)[startPos];
// pWindowResInfo->prevSKey = tw.skey;
// win = tw;
// }
// } else {
// break; // offset is not 0, and next time window begins or ends in the next block.
// }
// }
// }
//
// // check for error
// if (terrno != TSDB_CODE_SUCCESS) {
// longjmp(pRuntimeEnv->env, terrno);
// }
//
// return true;
// }
int32_t appendDownstream(SOperatorInfo* p, SOperatorInfo** pDownstream, int32_t num) {
if (p->pDownstream == NULL) {
assert(p->numOfDownstream == 0);
}
p->pDownstream = taosMemoryCalloc(1, num * POINTER_BYTES);
if (p->pDownstream == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
memcpy(p->pDownstream, pDownstream, num * POINTER_BYTES);
p->numOfDownstream = num;
return TSDB_CODE_SUCCESS;
}
static void doDestroyTableList(STableListInfo* pTableqinfoList);
static void doTableQueryInfoTimeWindowCheck(SExecTaskInfo* pTaskInfo, STableQueryInfo* pTableQueryInfo, int32_t order) {
#if 0
if (order == TSDB_ORDER_ASC) {
assert(
(pTableQueryInfo->win.skey <= pTableQueryInfo->win.ekey) &&
(pTableQueryInfo->lastKey >= pTaskInfo->window.skey) &&
(pTableQueryInfo->win.skey >= pTaskInfo->window.skey && pTableQueryInfo->win.ekey <= pTaskInfo->window.ekey));
} else {
assert(
(pTableQueryInfo->win.skey >= pTableQueryInfo->win.ekey) &&
(pTableQueryInfo->lastKey <= pTaskInfo->window.skey) &&
(pTableQueryInfo->win.skey <= pTaskInfo->window.skey && pTableQueryInfo->win.ekey >= pTaskInfo->window.ekey));
}
#endif
}
typedef struct SFetchRspHandleWrapper {
uint32_t exchangeId;
int32_t sourceIndex;
} SFetchRspHandleWrapper;
int32_t loadRemoteDataCallback(void* param, const SDataBuf* pMsg, int32_t code) {
SFetchRspHandleWrapper* pWrapper = (SFetchRspHandleWrapper*)param;
SExchangeInfo* pExchangeInfo = taosAcquireRef(exchangeObjRefPool, pWrapper->exchangeId);
if (pExchangeInfo == NULL) {
qWarn("failed to acquire exchange operator, since it may have been released");
return TSDB_CODE_SUCCESS;
}
int32_t index = pWrapper->sourceIndex;
SSourceDataInfo* pSourceDataInfo = taosArrayGet(pExchangeInfo->pSourceDataInfo, index);
if (code == TSDB_CODE_SUCCESS) {
pSourceDataInfo->pRsp = pMsg->pData;
SRetrieveTableRsp* pRsp = pSourceDataInfo->pRsp;
pRsp->numOfRows = htonl(pRsp->numOfRows);
pRsp->compLen = htonl(pRsp->compLen);
pRsp->numOfCols = htonl(pRsp->numOfCols);
pRsp->useconds = htobe64(pRsp->useconds);
ASSERT(pRsp != NULL);
qDebug("%s fetch rsp received, index:%d, rows:%d", pSourceDataInfo->taskId, index, pRsp->numOfRows);
} else {
pSourceDataInfo->code = code;
}
pSourceDataInfo->status = EX_SOURCE_DATA_READY;
tsem_post(&pExchangeInfo->ready);
taosReleaseRef(exchangeObjRefPool, pWrapper->exchangeId);
taosMemoryFree(pWrapper);
return TSDB_CODE_SUCCESS;
}
static void destroySendMsgInfo(SMsgSendInfo* pMsgBody) {
assert(pMsgBody != NULL);
taosMemoryFreeClear(pMsgBody->msgInfo.pData);
taosMemoryFreeClear(pMsgBody);
}
void qProcessFetchRsp(void* parent, SRpcMsg* pMsg, SEpSet* pEpSet) {
SMsgSendInfo* pSendInfo = (SMsgSendInfo*)pMsg->info.ahandle;
assert(pMsg->info.ahandle != NULL);
SDataBuf buf = {.len = pMsg->contLen, .pData = NULL};
if (pMsg->contLen > 0) {
buf.pData = taosMemoryCalloc(1, pMsg->contLen);
if (buf.pData == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
pMsg->code = TSDB_CODE_OUT_OF_MEMORY;
} else {
memcpy(buf.pData, pMsg->pCont, pMsg->contLen);
}
}
pSendInfo->fp(pSendInfo->param, &buf, pMsg->code);
rpcFreeCont(pMsg->pCont);
destroySendMsgInfo(pSendInfo);
}
static int32_t doSendFetchDataRequest(SExchangeInfo* pExchangeInfo, SExecTaskInfo* pTaskInfo, int32_t sourceIndex) {
size_t totalSources = taosArrayGetSize(pExchangeInfo->pSources);
SResFetchReq* pMsg = taosMemoryCalloc(1, sizeof(SResFetchReq));
if (NULL == pMsg) {
pTaskInfo->code = TSDB_CODE_QRY_OUT_OF_MEMORY;
return pTaskInfo->code;
}
SDownstreamSourceNode* pSource = taosArrayGet(pExchangeInfo->pSources, sourceIndex);
SSourceDataInfo* pDataInfo = taosArrayGet(pExchangeInfo->pSourceDataInfo, sourceIndex);
ASSERT(pDataInfo->status == EX_SOURCE_DATA_NOT_READY);
qDebug("%s build fetch msg and send to vgId:%d, ep:%s, taskId:0x%" PRIx64 ", %d/%" PRIzu, GET_TASKID(pTaskInfo),
pSource->addr.nodeId, pSource->addr.epSet.eps[0].fqdn, pSource->taskId, sourceIndex, totalSources);
pMsg->header.vgId = htonl(pSource->addr.nodeId);
pMsg->sId = htobe64(pSource->schedId);
pMsg->taskId = htobe64(pSource->taskId);
pMsg->queryId = htobe64(pTaskInfo->id.queryId);
// send the fetch remote task result reques
SMsgSendInfo* pMsgSendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
if (NULL == pMsgSendInfo) {
taosMemoryFreeClear(pMsg);
qError("%s prepare message %d failed", GET_TASKID(pTaskInfo), (int32_t)sizeof(SMsgSendInfo));
pTaskInfo->code = TSDB_CODE_QRY_OUT_OF_MEMORY;
return pTaskInfo->code;
}
SFetchRspHandleWrapper* pWrapper = taosMemoryCalloc(1, sizeof(SFetchRspHandleWrapper));
pWrapper->exchangeId = pExchangeInfo->self;
pWrapper->sourceIndex = sourceIndex;
pMsgSendInfo->param = pWrapper;
pMsgSendInfo->msgInfo.pData = pMsg;
pMsgSendInfo->msgInfo.len = sizeof(SResFetchReq);
pMsgSendInfo->msgType = TDMT_VND_FETCH;
pMsgSendInfo->fp = loadRemoteDataCallback;
int64_t transporterId = 0;
int32_t code = asyncSendMsgToServer(pExchangeInfo->pTransporter, &pSource->addr.epSet, &transporterId, pMsgSendInfo);
return TSDB_CODE_SUCCESS;
}
// NOTE: sources columns are more than the destination SSDatablock columns.
void relocateColumnData(SSDataBlock* pBlock, const SArray* pColMatchInfo, SArray* pCols) {
size_t numOfSrcCols = taosArrayGetSize(pCols);
int32_t i = 0, j = 0;
while (i < numOfSrcCols && j < taosArrayGetSize(pColMatchInfo)) {
SColumnInfoData* p = taosArrayGet(pCols, i);
SColMatchInfo* pmInfo = taosArrayGet(pColMatchInfo, j);
if (!pmInfo->output) {
j++;
continue;
}
if (p->info.colId == pmInfo->colId) {
SColumnInfoData* pDst = taosArrayGet(pBlock->pDataBlock, pmInfo->targetSlotId);
colDataAssign(pDst, p, pBlock->info.rows);
i++;
j++;
} else if (p->info.colId < pmInfo->colId) {
i++;
} else {
ASSERT(0);
}
}
}
int32_t setDataBlockFromFetchRsp(SSDataBlock* pRes, SLoadRemoteDataInfo* pLoadInfo, int32_t numOfRows, char* pData,
int32_t compLen, int32_t numOfOutput, int64_t startTs, uint64_t* total,
SArray* pColList) {
if (pColList == NULL) { // data from other sources
blockCompressDecode(pRes, numOfOutput, numOfRows, pData);
pRes->info.rows = numOfRows;
} else { // extract data according to pColList
ASSERT(numOfOutput == taosArrayGetSize(pColList));
char* pStart = pData;
int32_t numOfCols = htonl(*(int32_t*)pStart);
pStart += sizeof(int32_t);
// todo refactor:extract method
SSysTableSchema* pSchema = (SSysTableSchema*)pStart;
for (int32_t i = 0; i < numOfCols; ++i) {
SSysTableSchema* p = (SSysTableSchema*)pStart;
p->colId = htons(p->colId);
p->bytes = htonl(p->bytes);
pStart += sizeof(SSysTableSchema);
}
SSDataBlock* pBlock = taosMemoryCalloc(1, sizeof(SSDataBlock));
pBlock->pDataBlock = taosArrayInit(numOfCols, sizeof(SColumnInfoData));
pBlock->info.numOfCols = numOfCols;
for (int32_t i = 0; i < numOfCols; ++i) {
SColumnInfoData idata = {0};
idata.info.type = pSchema[i].type;
idata.info.bytes = pSchema[i].bytes;
idata.info.colId = pSchema[i].colId;
idata.hasNull = true;
taosArrayPush(pBlock->pDataBlock, &idata);
if (IS_VAR_DATA_TYPE(idata.info.type)) {
pBlock->info.hasVarCol = true;
}
}
blockCompressDecode(pBlock, numOfCols, numOfRows, pStart);
// data from mnode
pRes->info.rows = numOfRows;
relocateColumnData(pRes, pColList, pBlock->pDataBlock);
taosArrayDestroy(pBlock->pDataBlock);
taosMemoryFree(pBlock);
// blockDataDestroy(pBlock);
}
// todo move this to time window aggregator, since the primary timestamp may not be known by exchange operator.
blockDataUpdateTsWindow(pRes, 0);
int64_t el = taosGetTimestampUs() - startTs;
pLoadInfo->totalRows += numOfRows;
pLoadInfo->totalSize += compLen;
if (total != NULL) {
*total += numOfRows;
}
pLoadInfo->totalElapsed += el;
return TSDB_CODE_SUCCESS;
}
static void* setAllSourcesCompleted(SOperatorInfo* pOperator, int64_t startTs) {
SExchangeInfo* pExchangeInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
int64_t el = taosGetTimestampUs() - startTs;
SLoadRemoteDataInfo* pLoadInfo = &pExchangeInfo->loadInfo;
pLoadInfo->totalElapsed += el;
size_t totalSources = taosArrayGetSize(pExchangeInfo->pSources);
qDebug("%s all %" PRIzu " sources are exhausted, total rows: %" PRIu64 " bytes:%" PRIu64 ", elapsed:%.2f ms",
GET_TASKID(pTaskInfo), totalSources, pLoadInfo->totalRows, pLoadInfo->totalSize,
pLoadInfo->totalElapsed / 1000.0);
doSetOperatorCompleted(pOperator);
return NULL;
}
static SSDataBlock* concurrentlyLoadRemoteDataImpl(SOperatorInfo* pOperator, SExchangeInfo* pExchangeInfo,
SExecTaskInfo* pTaskInfo) {
int32_t code = 0;
int64_t startTs = taosGetTimestampUs();
size_t totalSources = taosArrayGetSize(pExchangeInfo->pSources);
while (1) {
int32_t completed = 0;
for (int32_t i = 0; i < totalSources; ++i) {
SSourceDataInfo* pDataInfo = taosArrayGet(pExchangeInfo->pSourceDataInfo, i);
if (pDataInfo->status == EX_SOURCE_DATA_EXHAUSTED) {
completed += 1;
continue;
}
if (pDataInfo->status != EX_SOURCE_DATA_READY) {
continue;
}
if (pDataInfo->code != TSDB_CODE_SUCCESS) {
code = pDataInfo->code;
goto _error;
}
SRetrieveTableRsp* pRsp = pDataInfo->pRsp;
SDownstreamSourceNode* pSource = taosArrayGet(pExchangeInfo->pSources, i);
SSDataBlock* pRes = pExchangeInfo->pResult;
SLoadRemoteDataInfo* pLoadInfo = &pExchangeInfo->loadInfo;
if (pRsp->numOfRows == 0) {
qDebug("%s vgId:%d, taskId:0x%" PRIx64 " index:%d completed, rowsOfSource:%" PRIu64 ", totalRows:%" PRIu64
", completed:%d try next %d/%" PRIzu,
GET_TASKID(pTaskInfo), pSource->addr.nodeId, pSource->taskId, i, pDataInfo->totalRows,
pExchangeInfo->loadInfo.totalRows, completed + 1, i + 1, totalSources);
pDataInfo->status = EX_SOURCE_DATA_EXHAUSTED;
completed += 1;
taosMemoryFreeClear(pDataInfo->pRsp);
continue;
}
SRetrieveTableRsp* pTableRsp = pDataInfo->pRsp;
code = setDataBlockFromFetchRsp(pExchangeInfo->pResult, pLoadInfo, pTableRsp->numOfRows, pTableRsp->data,
pTableRsp->compLen, pTableRsp->numOfCols, startTs, &pDataInfo->totalRows, NULL);
if (code != 0) {
taosMemoryFreeClear(pDataInfo->pRsp);
goto _error;
}
if (pRsp->completed == 1) {
qDebug("%s fetch msg rsp from vgId:%d, taskId:0x%" PRIx64
" index:%d completed, numOfRows:%d, rowsOfSource:%" PRIu64 ", totalRows:%" PRIu64 ", totalBytes:%" PRIu64
", completed:%d try next %d/%" PRIzu,
GET_TASKID(pTaskInfo), pSource->addr.nodeId, pSource->taskId, i, pRes->info.rows, pDataInfo->totalRows,
pLoadInfo->totalRows, pLoadInfo->totalSize, completed + 1, i + 1, totalSources);
completed += 1;
pDataInfo->status = EX_SOURCE_DATA_EXHAUSTED;
} else {
qDebug("%s fetch msg rsp from vgId:%d, taskId:0x%" PRIx64 " numOfRows:%d, totalRows:%" PRIu64
", totalBytes:%" PRIu64,
GET_TASKID(pTaskInfo), pSource->addr.nodeId, pSource->taskId, pRes->info.rows, pLoadInfo->totalRows,
pLoadInfo->totalSize);
}
taosMemoryFreeClear(pDataInfo->pRsp);
if (pDataInfo->status != EX_SOURCE_DATA_EXHAUSTED) {
pDataInfo->status = EX_SOURCE_DATA_NOT_READY;
code = doSendFetchDataRequest(pExchangeInfo, pTaskInfo, i);
if (code != TSDB_CODE_SUCCESS) {
taosMemoryFreeClear(pDataInfo->pRsp);
goto _error;
}
}
return pExchangeInfo->pResult;
}
if (completed == totalSources) {
return setAllSourcesCompleted(pOperator, startTs);
}
}
_error:
pTaskInfo->code = code;
return NULL;
}
static int32_t prepareConcurrentlyLoad(SOperatorInfo* pOperator) {
SExchangeInfo* pExchangeInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
size_t totalSources = taosArrayGetSize(pExchangeInfo->pSources);
int64_t startTs = taosGetTimestampUs();
// Asynchronously send all fetch requests to all sources.
for (int32_t i = 0; i < totalSources; ++i) {
int32_t code = doSendFetchDataRequest(pExchangeInfo, pTaskInfo, i);
if (code != TSDB_CODE_SUCCESS) {
pTaskInfo->code = code;
return code;
}
}
int64_t endTs = taosGetTimestampUs();
qDebug("%s send all fetch requests to %" PRIzu " sources completed, elapsed:%.2fms", GET_TASKID(pTaskInfo),
totalSources, (endTs - startTs) / 1000.0);
pOperator->status = OP_RES_TO_RETURN;
pOperator->cost.openCost = taosGetTimestampUs() - startTs;
tsem_wait(&pExchangeInfo->ready);
return TSDB_CODE_SUCCESS;
}
static SSDataBlock* seqLoadRemoteData(SOperatorInfo* pOperator) {
SExchangeInfo* pExchangeInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
size_t totalSources = taosArrayGetSize(pExchangeInfo->pSources);
int64_t startTs = taosGetTimestampUs();
while (1) {
if (pExchangeInfo->current >= totalSources) {
return setAllSourcesCompleted(pOperator, startTs);
}
doSendFetchDataRequest(pExchangeInfo, pTaskInfo, pExchangeInfo->current);
tsem_wait(&pExchangeInfo->ready);
SSourceDataInfo* pDataInfo = taosArrayGet(pExchangeInfo->pSourceDataInfo, pExchangeInfo->current);
SDownstreamSourceNode* pSource = taosArrayGet(pExchangeInfo->pSources, pExchangeInfo->current);
if (pDataInfo->code != TSDB_CODE_SUCCESS) {
qError("%s vgId:%d, taskID:0x%" PRIx64 " error happens, code:%s", GET_TASKID(pTaskInfo), pSource->addr.nodeId,
pSource->taskId, tstrerror(pDataInfo->code));
pOperator->pTaskInfo->code = pDataInfo->code;
return NULL;
}
SRetrieveTableRsp* pRsp = pDataInfo->pRsp;
SLoadRemoteDataInfo* pLoadInfo = &pExchangeInfo->loadInfo;
if (pRsp->numOfRows == 0) {
qDebug("%s vgId:%d, taskID:0x%" PRIx64 " %d of total completed, rowsOfSource:%" PRIu64 ", totalRows:%" PRIu64
" try next",
GET_TASKID(pTaskInfo), pSource->addr.nodeId, pSource->taskId, pExchangeInfo->current + 1,
pDataInfo->totalRows, pLoadInfo->totalRows);
pDataInfo->status = EX_SOURCE_DATA_EXHAUSTED;
pExchangeInfo->current += 1;
taosMemoryFreeClear(pDataInfo->pRsp);
continue;
}
SSDataBlock* pRes = pExchangeInfo->pResult;
SRetrieveTableRsp* pTableRsp = pDataInfo->pRsp;
int32_t code =
setDataBlockFromFetchRsp(pExchangeInfo->pResult, pLoadInfo, pTableRsp->numOfRows, pTableRsp->data,
pTableRsp->compLen, pTableRsp->numOfCols, startTs, &pDataInfo->totalRows, NULL);
if (pRsp->completed == 1) {
qDebug("%s fetch msg rsp from vgId:%d, taskId:0x%" PRIx64 " numOfRows:%d, rowsOfSource:%" PRIu64
", totalRows:%" PRIu64 ", totalBytes:%" PRIu64 " try next %d/%" PRIzu,
GET_TASKID(pTaskInfo), pSource->addr.nodeId, pSource->taskId, pRes->info.rows, pDataInfo->totalRows,
pLoadInfo->totalRows, pLoadInfo->totalSize, pExchangeInfo->current + 1, totalSources);
pDataInfo->status = EX_SOURCE_DATA_EXHAUSTED;
pExchangeInfo->current += 1;
} else {
qDebug("%s fetch msg rsp from vgId:%d, taskId:0x%" PRIx64 " numOfRows:%d, totalRows:%" PRIu64
", totalBytes:%" PRIu64,
GET_TASKID(pTaskInfo), pSource->addr.nodeId, pSource->taskId, pRes->info.rows, pLoadInfo->totalRows,
pLoadInfo->totalSize);
}
pOperator->resultInfo.totalRows += pRes->info.rows;
taosMemoryFreeClear(pDataInfo->pRsp);
return pExchangeInfo->pResult;
}
}
static int32_t prepareLoadRemoteData(SOperatorInfo* pOperator) {
if (OPTR_IS_OPENED(pOperator)) {
return TSDB_CODE_SUCCESS;
}
int64_t st = taosGetTimestampUs();
SExchangeInfo* pExchangeInfo = pOperator->info;
if (!pExchangeInfo->seqLoadData) {
int32_t code = prepareConcurrentlyLoad(pOperator);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
}
OPTR_SET_OPENED(pOperator);
pOperator->cost.openCost = (taosGetTimestampUs() - st) / 1000.0;
return TSDB_CODE_SUCCESS;
}
static SSDataBlock* doLoadRemoteData(SOperatorInfo* pOperator) {
SExchangeInfo* pExchangeInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
pTaskInfo->code = pOperator->fpSet._openFn(pOperator);
if (pTaskInfo->code != TSDB_CODE_SUCCESS) {
return NULL;
}
size_t totalSources = taosArrayGetSize(pExchangeInfo->pSources);
SLoadRemoteDataInfo* pLoadInfo = &pExchangeInfo->loadInfo;
if (pOperator->status == OP_EXEC_DONE) {
qDebug("%s all %" PRIzu " source(s) are exhausted, total rows:%" PRIu64 " bytes:%" PRIu64 ", elapsed:%.2f ms",
GET_TASKID(pTaskInfo), totalSources, pLoadInfo->totalRows, pLoadInfo->totalSize,
pLoadInfo->totalElapsed / 1000.0);
return NULL;
}
if (pExchangeInfo->seqLoadData) {
return seqLoadRemoteData(pOperator);
} else {
return concurrentlyLoadRemoteDataImpl(pOperator, pExchangeInfo, pTaskInfo);
}
}
static int32_t initDataSource(int32_t numOfSources, SExchangeInfo* pInfo, const char* id) {
pInfo->pSourceDataInfo = taosArrayInit(numOfSources, sizeof(SSourceDataInfo));
if (pInfo->pSourceDataInfo == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
for (int32_t i = 0; i < numOfSources; ++i) {
SSourceDataInfo dataInfo = {0};
dataInfo.status = EX_SOURCE_DATA_NOT_READY;
dataInfo.taskId = id;
dataInfo.index = i;
SSourceDataInfo* pDs = taosArrayPush(pInfo->pSourceDataInfo, &dataInfo);
if (pDs == NULL) {
taosArrayDestroy(pInfo->pSourceDataInfo);
return TSDB_CODE_OUT_OF_MEMORY;
}
}
return TSDB_CODE_SUCCESS;
}
static int32_t initExchangeOperator(SExchangePhysiNode* pExNode, SExchangeInfo* pInfo, const char* id) {
size_t numOfSources = LIST_LENGTH(pExNode->pSrcEndPoints);
if (numOfSources == 0) {
qError("%s invalid number: %d of sources in exchange operator", id, (int32_t)numOfSources);
return TSDB_CODE_INVALID_PARA;
}
pInfo->pSources = taosArrayInit(numOfSources, sizeof(SDownstreamSourceNode));
pInfo->pSourceDataInfo = taosArrayInit(numOfSources, sizeof(SSourceDataInfo));
if (pInfo->pSourceDataInfo == NULL || pInfo->pSources == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
for (int32_t i = 0; i < numOfSources; ++i) {
SNodeListNode* pNode = (SNodeListNode*)nodesListGetNode((SNodeList*)pExNode->pSrcEndPoints, i);
taosArrayPush(pInfo->pSources, pNode);
}
pInfo->self = taosAddRef(exchangeObjRefPool, pInfo);
return initDataSource(numOfSources, pInfo, id);
}
SOperatorInfo* createExchangeOperatorInfo(void* pTransporter, SExchangePhysiNode* pExNode, SExecTaskInfo* pTaskInfo) {
SExchangeInfo* pInfo = taosMemoryCalloc(1, sizeof(SExchangeInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
goto _error;
}
int32_t code = initExchangeOperator(pExNode, pInfo, GET_TASKID(pTaskInfo));
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
tsem_init(&pInfo->ready, 0, 0);
pInfo->seqLoadData = false;
pInfo->pTransporter = pTransporter;
pInfo->pResult = createResDataBlock(pExNode->node.pOutputDataBlockDesc);
pOperator->name = "ExchangeOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_EXCHANGE;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->numOfExprs = pInfo->pResult->info.numOfCols;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(prepareLoadRemoteData, doLoadRemoteData, NULL, NULL,
destroyExchangeOperatorInfo, NULL, NULL, NULL);
return pOperator;
_error:
if (pInfo != NULL) {
doDestroyExchangeOperatorInfo(pInfo);
}
taosMemoryFreeClear(pInfo);
taosMemoryFreeClear(pOperator);
pTaskInfo->code = code;
return NULL;
}
static int32_t doInitAggInfoSup(SAggSupporter* pAggSup, SqlFunctionCtx* pCtx, int32_t numOfOutput, size_t keyBufSize,
const char* pKey);
static void destroySortedMergeOperatorInfo(void* param, int32_t numOfOutput) {
SSortedMergeOperatorInfo* pInfo = (SSortedMergeOperatorInfo*)param;
taosArrayDestroy(pInfo->pSortInfo);
taosArrayDestroy(pInfo->groupInfo);
if (pInfo->pSortHandle != NULL) {
tsortDestroySortHandle(pInfo->pSortHandle);
}
blockDataDestroy(pInfo->binfo.pRes);
cleanupAggSup(&pInfo->aggSup);
}
static bool needToMerge(SSDataBlock* pBlock, SArray* groupInfo, char** buf, int32_t rowIndex) {
size_t size = taosArrayGetSize(groupInfo);
if (size == 0) {
return true;
}
for (int32_t i = 0; i < size; ++i) {
int32_t* index = taosArrayGet(groupInfo, i);
SColumnInfoData* pColInfo = taosArrayGet(pBlock->pDataBlock, *index);
bool isNull = colDataIsNull(pColInfo, rowIndex, pBlock->info.rows, NULL);
if ((isNull && buf[i] != NULL) || (!isNull && buf[i] == NULL)) {
return false;
}
char* pCell = colDataGetData(pColInfo, rowIndex);
if (IS_VAR_DATA_TYPE(pColInfo->info.type)) {
if (varDataLen(pCell) != varDataLen(buf[i])) {
return false;
} else {
if (memcmp(varDataVal(pCell), varDataVal(buf[i]), varDataLen(pCell)) != 0) {
return false;
}
}
} else {
if (memcmp(pCell, buf[i], pColInfo->info.bytes) != 0) {
return false;
}
}
}
return 0;
}
static void doMergeResultImpl(SSortedMergeOperatorInfo* pInfo, SqlFunctionCtx* pCtx, int32_t numOfExpr,
int32_t rowIndex) {
for (int32_t j = 0; j < numOfExpr; ++j) { // TODO set row index
// pCtx[j].startRow = rowIndex;
}
for (int32_t j = 0; j < numOfExpr; ++j) {
int32_t functionId = pCtx[j].functionId;
// pCtx[j].fpSet->addInput(&pCtx[j]);
// if (functionId < 0) {
// SUdfInfo* pUdfInfo = taosArrayGet(pInfo->udfInfo, -1 * functionId - 1);
// doInvokeUdf(pUdfInfo, &pCtx[j], 0, TSDB_UDF_FUNC_MERGE);
// } else {
// assert(!TSDB_FUNC_IS_SCALAR(functionId));
// aAggs[functionId].mergeFunc(&pCtx[j]);
// }
}
}
static void doFinalizeResultImpl(SqlFunctionCtx* pCtx, int32_t numOfExpr) {
for (int32_t j = 0; j < numOfExpr; ++j) {
int32_t functionId = pCtx[j].functionId;
// if (functionId == FUNC_TAG_DUMMY || functionId == FUNC_TS_DUMMY) {
// continue;
// }
// if (functionId < 0) {
// SUdfInfo* pUdfInfo = taosArrayGet(pInfo->udfInfo, -1 * functionId - 1);
// doInvokeUdf(pUdfInfo, &pCtx[j], 0, TSDB_UDF_FUNC_FINALIZE);
// } else {
// pCtx[j].fpSet.finalize(&pCtx[j]);
}
}
static bool saveCurrentTuple(char** rowColData, SArray* pColumnList, SSDataBlock* pBlock, int32_t rowIndex) {
int32_t size = (int32_t)taosArrayGetSize(pColumnList);
for (int32_t i = 0; i < size; ++i) {
int32_t* index = taosArrayGet(pColumnList, i);
SColumnInfoData* pColInfo = taosArrayGet(pBlock->pDataBlock, *index);
char* data = colDataGetData(pColInfo, rowIndex);
memcpy(rowColData[i], data, colDataGetLength(pColInfo, rowIndex));
}
return true;
}
static void doMergeImpl(SOperatorInfo* pOperator, int32_t numOfExpr, SSDataBlock* pBlock) {
SSortedMergeOperatorInfo* pInfo = pOperator->info;
SqlFunctionCtx* pCtx = pInfo->binfo.pCtx;
for (int32_t i = 0; i < pBlock->info.numOfCols; ++i) {
// pCtx[i].size = 1;
}
for (int32_t i = 0; i < pBlock->info.rows; ++i) {
if (!pInfo->hasGroupVal) {
ASSERT(i == 0);
doMergeResultImpl(pInfo, pCtx, numOfExpr, i);
pInfo->hasGroupVal = saveCurrentTuple(pInfo->groupVal, pInfo->groupInfo, pBlock, i);
} else {
if (needToMerge(pBlock, pInfo->groupInfo, pInfo->groupVal, i)) {
doMergeResultImpl(pInfo, pCtx, numOfExpr, i);
} else {
doFinalizeResultImpl(pCtx, numOfExpr);
int32_t numOfRows = getNumOfResult(pInfo->binfo.pCtx, pOperator->numOfExprs, NULL);
// setTagValueForMultipleRows(pCtx, pOperator->numOfExprs, numOfRows);
// TODO check for available buffer;
// next group info data
pInfo->binfo.pRes->info.rows += numOfRows;
for (int32_t j = 0; j < numOfExpr; ++j) {
if (pCtx[j].functionId < 0) {
continue;
}
pCtx[j].fpSet.process(&pCtx[j]);
}
doMergeResultImpl(pInfo, pCtx, numOfExpr, i);
pInfo->hasGroupVal = saveCurrentTuple(pInfo->groupVal, pInfo->groupInfo, pBlock, i);
}
}
}
}
static SSDataBlock* doMerge(SOperatorInfo* pOperator) {
SSortedMergeOperatorInfo* pInfo = pOperator->info;
SSortHandle* pHandle = pInfo->pSortHandle;
SSDataBlock* pDataBlock = createOneDataBlock(pInfo->binfo.pRes, false);
blockDataEnsureCapacity(pDataBlock, pOperator->resultInfo.capacity);
while (1) {
blockDataCleanup(pDataBlock);
while (1) {
STupleHandle* pTupleHandle = tsortNextTuple(pHandle);
if (pTupleHandle == NULL) {
break;
}
// build datablock for merge for one group
appendOneRowToDataBlock(pDataBlock, pTupleHandle);
if (pDataBlock->info.rows >= pOperator->resultInfo.capacity) {
break;
}
}
if (pDataBlock->info.rows == 0) {
break;
}
setInputDataBlock(pOperator, pInfo->binfo.pCtx, pDataBlock, TSDB_ORDER_ASC, MAIN_SCAN, true);
// updateOutputBuf(&pInfo->binfo, &pAggInfo->bufCapacity, pBlock->info.rows * pAggInfo->resultRowFactor,
// pOperator->pRuntimeEnv, true);
doMergeImpl(pOperator, pOperator->numOfExprs, pDataBlock);
// flush to tuple store, and after all data have been handled, return to upstream node or sink node
}
doFinalizeResultImpl(pInfo->binfo.pCtx, pOperator->numOfExprs);
int32_t numOfRows = getNumOfResult(pInfo->binfo.pCtx, pOperator->numOfExprs, NULL);
// setTagValueForMultipleRows(pCtx, pOperator->numOfExprs, numOfRows);
// TODO check for available buffer;
// next group info data
pInfo->binfo.pRes->info.rows += numOfRows;
return (pInfo->binfo.pRes->info.rows > 0) ? pInfo->binfo.pRes : NULL;
}
SSDataBlock* getSortedMergeBlockData(SSortHandle* pHandle, SSDataBlock* pDataBlock, int32_t capacity,
SArray* pColMatchInfo, SSortedMergeOperatorInfo* pInfo) {
blockDataCleanup(pDataBlock);
SSDataBlock* p = tsortGetSortedDataBlock(pHandle);
if (p == NULL) {
return NULL;
}
blockDataEnsureCapacity(p, capacity);
while (1) {
STupleHandle* pTupleHandle = NULL;
if (pInfo->prefetchedTuple == NULL) {
pTupleHandle = tsortNextTuple(pHandle);
} else {
pTupleHandle = pInfo->prefetchedTuple;
pInfo->groupId = tsortGetGroupId(pTupleHandle);
pInfo->prefetchedTuple = NULL;
}
if (pTupleHandle == NULL) {
break;
}
uint64_t tupleGroupId = tsortGetGroupId(pTupleHandle);
if (!pInfo->hasGroupId) {
pInfo->groupId = tupleGroupId;
pInfo->hasGroupId = true;
appendOneRowToDataBlock(p, pTupleHandle);
} else if (pInfo->groupId == tupleGroupId) {
appendOneRowToDataBlock(p, pTupleHandle);
} else {
pInfo->prefetchedTuple = pTupleHandle;
break;
}
if (p->info.rows >= capacity) {
break;
}
}
if (p->info.rows > 0) {
int32_t numOfCols = taosArrayGetSize(pColMatchInfo);
for (int32_t i = 0; i < numOfCols; ++i) {
SColMatchInfo* pmInfo = taosArrayGet(pColMatchInfo, i);
ASSERT(pmInfo->matchType == COL_MATCH_FROM_SLOT_ID);
SColumnInfoData* pSrc = taosArrayGet(p->pDataBlock, pmInfo->srcSlotId);
SColumnInfoData* pDst = taosArrayGet(pDataBlock->pDataBlock, pmInfo->targetSlotId);
colDataAssign(pDst, pSrc, p->info.rows);
}
pDataBlock->info.rows = p->info.rows;
pDataBlock->info.capacity = p->info.rows;
pDataBlock->info.groupId = pInfo->groupId;
}
blockDataDestroy(p);
return (pDataBlock->info.rows > 0) ? pDataBlock : NULL;
}
static SSDataBlock* doSortedMerge(SOperatorInfo* pOperator) {
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SSortedMergeOperatorInfo* pInfo = pOperator->info;
if (pOperator->status == OP_RES_TO_RETURN) {
return getSortedMergeBlockData(pInfo->pSortHandle, pInfo->binfo.pRes, pOperator->resultInfo.capacity, NULL, pInfo);
}
int32_t numOfBufPage = pInfo->sortBufSize / pInfo->bufPageSize;
pInfo->pSortHandle = tsortCreateSortHandle(pInfo->pSortInfo, NULL, SORT_MULTISOURCE_MERGE, pInfo->bufPageSize,
numOfBufPage, pInfo->binfo.pRes, "GET_TASKID(pTaskInfo)");
tsortSetFetchRawDataFp(pInfo->pSortHandle, loadNextDataBlock, NULL, NULL);
for (int32_t i = 0; i < pOperator->numOfDownstream; ++i) {
SSortSource* ps = taosMemoryCalloc(1, sizeof(SSortSource));
ps->param = pOperator->pDownstream[i];
tsortAddSource(pInfo->pSortHandle, ps);
}
int32_t code = tsortOpen(pInfo->pSortHandle);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, terrno);
}
pOperator->status = OP_RES_TO_RETURN;
return doMerge(pOperator);
}
static int32_t initGroupCol(SExprInfo* pExprInfo, int32_t numOfCols, SArray* pGroupInfo,
SSortedMergeOperatorInfo* pInfo) {
if (pGroupInfo == NULL || taosArrayGetSize(pGroupInfo) == 0) {
return 0;
}
int32_t len = 0;
SArray* plist = taosArrayInit(3, sizeof(SColumn));
pInfo->groupInfo = taosArrayInit(3, sizeof(int32_t));
if (plist == NULL || pInfo->groupInfo == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
size_t numOfGroupCol = taosArrayGetSize(pInfo->groupInfo);
for (int32_t i = 0; i < numOfGroupCol; ++i) {
SColumn* pCol = taosArrayGet(pGroupInfo, i);
for (int32_t j = 0; j < numOfCols; ++j) {
SExprInfo* pe = &pExprInfo[j];
if (pe->base.resSchema.slotId == pCol->colId) {
taosArrayPush(plist, pCol);
taosArrayPush(pInfo->groupInfo, &j);
len += pCol->bytes;
break;
}
}
}
ASSERT(taosArrayGetSize(pGroupInfo) == taosArrayGetSize(plist));
pInfo->groupVal = taosMemoryCalloc(1, (POINTER_BYTES * numOfGroupCol + len));
if (pInfo->groupVal == NULL) {
taosArrayDestroy(plist);
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t offset = 0;
char* start = (char*)(pInfo->groupVal + (POINTER_BYTES * numOfGroupCol));
for (int32_t i = 0; i < numOfGroupCol; ++i) {
pInfo->groupVal[i] = start + offset;
SColumn* pCol = taosArrayGet(plist, i);
offset += pCol->bytes;
}
taosArrayDestroy(plist);
return TSDB_CODE_SUCCESS;
}
SOperatorInfo* createSortedMergeOperatorInfo(SOperatorInfo** downstream, int32_t numOfDownstream, SExprInfo* pExprInfo,
int32_t num, SArray* pSortInfo, SArray* pGroupInfo,
SExecTaskInfo* pTaskInfo) {
SSortedMergeOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SSortedMergeOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
goto _error;
}
pInfo->binfo.pCtx = createSqlFunctionCtx(pExprInfo, num, &pInfo->binfo.rowCellInfoOffset);
initResultRowInfo(&pInfo->binfo.resultRowInfo, (int32_t)1);
if (pInfo->binfo.pCtx == NULL || pInfo->binfo.pRes == NULL) {
goto _error;
}
size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
int32_t code = doInitAggInfoSup(&pInfo->aggSup, pInfo->binfo.pCtx, num, keyBufSize, pTaskInfo->id.str);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
setFunctionResultOutput(&pInfo->binfo, &pInfo->aggSup, MAIN_SCAN, num, pTaskInfo);
code = initGroupCol(pExprInfo, num, pGroupInfo, pInfo);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
// pInfo->resultRowFactor = (int32_t)(getRowNumForMultioutput(pRuntimeEnv->pQueryAttr,
// pRuntimeEnv->pQueryAttr->topBotQuery, false));
pInfo->sortBufSize = 1024 * 16; // 1MB
pInfo->bufPageSize = 1024;
pInfo->pSortInfo = pSortInfo;
pOperator->resultInfo.capacity = blockDataGetCapacityInRow(pInfo->binfo.pRes, pInfo->bufPageSize);
pOperator->name = "SortedMerge";
// pOperator->operatorType = OP_SortedMerge;
pOperator->blocking = true;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->numOfExprs = num;
pOperator->pExpr = pExprInfo;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doSortedMerge, NULL, NULL, destroySortedMergeOperatorInfo,
NULL, NULL, NULL);
code = appendDownstream(pOperator, downstream, numOfDownstream);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
return pOperator;
_error:
if (pInfo != NULL) {
destroySortedMergeOperatorInfo(pInfo, num);
}
taosMemoryFreeClear(pInfo);
taosMemoryFreeClear(pOperator);
terrno = TSDB_CODE_QRY_OUT_OF_MEMORY;
return NULL;
}
int32_t getTableScanInfo(SOperatorInfo* pOperator, int32_t* order, int32_t* scanFlag) {
// todo add more information about exchange operation
int32_t type = pOperator->operatorType;
if (type == QUERY_NODE_PHYSICAL_PLAN_EXCHANGE || type == QUERY_NODE_PHYSICAL_PLAN_SYSTABLE_SCAN ||
type == QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN || type == QUERY_NODE_PHYSICAL_PLAN_TAG_SCAN) {
*order = TSDB_ORDER_ASC;
*scanFlag = MAIN_SCAN;
return TSDB_CODE_SUCCESS;
} else if (type == QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN) {
STableScanInfo* pTableScanInfo = pOperator->info;
*order = pTableScanInfo->cond.order;
*scanFlag = pTableScanInfo->scanFlag;
return TSDB_CODE_SUCCESS;
} else {
if (pOperator->pDownstream == NULL || pOperator->pDownstream[0] == NULL) {
return TSDB_CODE_INVALID_PARA;
} else {
return getTableScanInfo(pOperator->pDownstream[0], order, scanFlag);
}
}
}
// this is a blocking operator
static int32_t doOpenAggregateOptr(SOperatorInfo* pOperator) {
if (OPTR_IS_OPENED(pOperator)) {
return TSDB_CODE_SUCCESS;
}
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SAggOperatorInfo* pAggInfo = pOperator->info;
SOptrBasicInfo* pInfo = &pAggInfo->binfo;
SOperatorInfo* downstream = pOperator->pDownstream[0];
int64_t st = taosGetTimestampUs();
int32_t order = TSDB_ORDER_ASC;
int32_t scanFlag = MAIN_SCAN;
while (1) {
SSDataBlock* pBlock = downstream->fpSet.getNextFn(downstream);
if (pBlock == NULL) {
break;
}
int32_t code = getTableScanInfo(pOperator, &order, &scanFlag);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
// there is an scalar expression that needs to be calculated before apply the group aggregation.
if (pAggInfo->pScalarExprInfo != NULL) {
code = projectApplyFunctions(pAggInfo->pScalarExprInfo, pBlock, pBlock, pAggInfo->pScalarCtx,
pAggInfo->numOfScalarExpr, NULL);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
}
// the pDataBlock are always the same one, no need to call this again
setExecutionContext(pOperator->numOfExprs, pBlock->info.groupId, pTaskInfo, pAggInfo);
setInputDataBlock(pOperator, pInfo->pCtx, pBlock, order, scanFlag, true);
code = doAggregateImpl(pOperator, 0, pInfo->pCtx);
if (code != 0) {
longjmp(pTaskInfo->env, code);
}
#if 0 // test for encode/decode result info
if(pOperator->fpSet.encodeResultRow){
char *result = NULL;
int32_t length = 0;
pOperator->fpSet.encodeResultRow(pOperator, &result, &length);
SAggSupporter* pSup = &pAggInfo->aggSup;
taosHashClear(pSup->pResultRowHashTable);
pInfo->resultRowInfo.size = 0;
pOperator->fpSet.decodeResultRow(pOperator, result);
if(result){
taosMemoryFree(result);
}
}
#endif
}
closeAllResultRows(&pAggInfo->binfo.resultRowInfo);
initGroupedResultInfo(&pAggInfo->groupResInfo, pAggInfo->aggSup.pResultRowHashTable, 0);
OPTR_SET_OPENED(pOperator);
pOperator->cost.openCost = (taosGetTimestampUs() - st) / 1000.0;
return TSDB_CODE_SUCCESS;
}
static SSDataBlock* getAggregateResult(SOperatorInfo* pOperator) {
SAggOperatorInfo* pAggInfo = pOperator->info;
SOptrBasicInfo* pInfo = &pAggInfo->binfo;
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
pTaskInfo->code = pOperator->fpSet._openFn(pOperator);
if (pTaskInfo->code != TSDB_CODE_SUCCESS) {
doSetOperatorCompleted(pOperator);
return NULL;
}
blockDataEnsureCapacity(pInfo->pRes, pOperator->resultInfo.capacity);
doBuildResultDatablock(pOperator, pInfo, &pAggInfo->groupResInfo, pAggInfo->aggSup.pResultBuf);
if (pInfo->pRes->info.rows == 0 || !hashRemainDataInGroupInfo(&pAggInfo->groupResInfo)) {
doSetOperatorCompleted(pOperator);
}
size_t rows = blockDataGetNumOfRows(pInfo->pRes); // pInfo->pRes : NULL;
pOperator->resultInfo.totalRows += rows;
return (rows == 0) ? NULL : pInfo->pRes;
}
int32_t aggEncodeResultRow(SOperatorInfo* pOperator, char** result, int32_t* length) {
if (result == NULL || length == NULL) {
return TSDB_CODE_TSC_INVALID_INPUT;
}
SOptrBasicInfo* pInfo = (SOptrBasicInfo*)(pOperator->info);
SAggSupporter* pSup = (SAggSupporter*)POINTER_SHIFT(pOperator->info, sizeof(SOptrBasicInfo));
int32_t size = taosHashGetSize(pSup->pResultRowHashTable);
size_t keyLen = sizeof(uint64_t) * 2; // estimate the key length
int32_t totalSize =
sizeof(int32_t) + sizeof(int32_t) + size * (sizeof(int32_t) + keyLen + sizeof(int32_t) + pSup->resultRowSize);
*result = (char*)taosMemoryCalloc(1, totalSize);
if (*result == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t offset = sizeof(int32_t);
*(int32_t*)(*result + offset) = size;
offset += sizeof(int32_t);
// prepare memory
SResultRowPosition* pos = &pInfo->resultRowInfo.cur;
void* pPage = getBufPage(pSup->pResultBuf, pos->pageId);
SResultRow* pRow = (SResultRow*)((char*)pPage + pos->offset);
setBufPageDirty(pPage, true);
releaseBufPage(pSup->pResultBuf, pPage);
void* pIter = taosHashIterate(pSup->pResultRowHashTable, NULL);
while (pIter) {
void* key = taosHashGetKey(pIter, &keyLen);
SResultRowPosition* p1 = (SResultRowPosition*)pIter;
pPage = (SFilePage*)getBufPage(pSup->pResultBuf, p1->pageId);
pRow = (SResultRow*)((char*)pPage + p1->offset);
setBufPageDirty(pPage, true);
releaseBufPage(pSup->pResultBuf, pPage);
// recalculate the result size
int32_t realTotalSize = offset + sizeof(int32_t) + keyLen + sizeof(int32_t) + pSup->resultRowSize;
if (realTotalSize > totalSize) {
char* tmp = (char*)taosMemoryRealloc(*result, realTotalSize);
if (tmp == NULL) {
taosMemoryFree(*result);
*result = NULL;
return TSDB_CODE_OUT_OF_MEMORY;
} else {
*result = tmp;
}
}
// save key
*(int32_t*)(*result + offset) = keyLen;
offset += sizeof(int32_t);
memcpy(*result + offset, key, keyLen);
offset += keyLen;
// save value
*(int32_t*)(*result + offset) = pSup->resultRowSize;
offset += sizeof(int32_t);
memcpy(*result + offset, pRow, pSup->resultRowSize);
offset += pSup->resultRowSize;
pIter = taosHashIterate(pSup->pResultRowHashTable, pIter);
}
*(int32_t*)(*result) = offset;
*length = offset;
return TDB_CODE_SUCCESS;
}
int32_t aggDecodeResultRow(SOperatorInfo* pOperator, char* result) {
if (result == NULL) {
return TSDB_CODE_TSC_INVALID_INPUT;
}
SOptrBasicInfo* pInfo = (SOptrBasicInfo*)(pOperator->info);
SAggSupporter* pSup = (SAggSupporter*)POINTER_SHIFT(pOperator->info, sizeof(SOptrBasicInfo));
// int32_t size = taosHashGetSize(pSup->pResultRowHashTable);
int32_t length = *(int32_t*)(result);
int32_t offset = sizeof(int32_t);
int32_t count = *(int32_t*)(result + offset);
offset += sizeof(int32_t);
while (count-- > 0 && length > offset) {
int32_t keyLen = *(int32_t*)(result + offset);
offset += sizeof(int32_t);
uint64_t tableGroupId = *(uint64_t*)(result + offset);
SResultRow* resultRow = getNewResultRow(pSup->pResultBuf, tableGroupId, pSup->resultRowSize);
if (!resultRow) {
return TSDB_CODE_TSC_INVALID_INPUT;
}
// add a new result set for a new group
SResultRowPosition pos = {.pageId = resultRow->pageId, .offset = resultRow->offset};
taosHashPut(pSup->pResultRowHashTable, result + offset, keyLen, &pos, sizeof(SResultRowPosition));
offset += keyLen;
int32_t valueLen = *(int32_t*)(result + offset);
if (valueLen != pSup->resultRowSize) {
return TSDB_CODE_TSC_INVALID_INPUT;
}
offset += sizeof(int32_t);
int32_t pageId = resultRow->pageId;
int32_t pOffset = resultRow->offset;
memcpy(resultRow, result + offset, valueLen);
resultRow->pageId = pageId;
resultRow->offset = pOffset;
offset += valueLen;
initResultRow(resultRow);
pInfo->resultRowInfo.cur = (SResultRowPosition){.pageId = resultRow->pageId, .offset = resultRow->offset};
}
if (offset != length) {
return TSDB_CODE_TSC_INVALID_INPUT;
}
return TDB_CODE_SUCCESS;
}
enum {
PROJECT_RETRIEVE_CONTINUE = 0x1,
PROJECT_RETRIEVE_DONE = 0x2,
};
static int32_t handleLimitOffset(SOperatorInfo* pOperator, SSDataBlock* pBlock) {
SProjectOperatorInfo* pProjectInfo = pOperator->info;
SOptrBasicInfo* pInfo = &pProjectInfo->binfo;
SSDataBlock* pRes = pInfo->pRes;
if (pProjectInfo->curSOffset > 0) {
if (pProjectInfo->groupId == 0) { // it is the first group
pProjectInfo->groupId = pBlock->info.groupId;
blockDataCleanup(pInfo->pRes);
return PROJECT_RETRIEVE_CONTINUE;
} else if (pProjectInfo->groupId != pBlock->info.groupId) {
pProjectInfo->curSOffset -= 1;
// ignore data block in current group
if (pProjectInfo->curSOffset > 0) {
blockDataCleanup(pInfo->pRes);
return PROJECT_RETRIEVE_CONTINUE;
}
}
// set current group id of the project operator
pProjectInfo->groupId = pBlock->info.groupId;
}
if (pProjectInfo->groupId != 0 && pProjectInfo->groupId != pBlock->info.groupId) {
pProjectInfo->curGroupOutput += 1;
if ((pProjectInfo->slimit.limit > 0) && (pProjectInfo->slimit.limit <= pProjectInfo->curGroupOutput)) {
pOperator->status = OP_EXEC_DONE;
blockDataCleanup(pRes);
return PROJECT_RETRIEVE_DONE;
}
// reset the value for a new group data
pProjectInfo->curOffset = 0;
pProjectInfo->curOutput = 0;
}
// here we reach the start position, according to the limit/offset requirements.
// set current group id
pProjectInfo->groupId = pBlock->info.groupId;
if (pProjectInfo->curOffset >= pRes->info.rows) {
pProjectInfo->curOffset -= pRes->info.rows;
blockDataCleanup(pRes);
return PROJECT_RETRIEVE_CONTINUE;
} else if (pProjectInfo->curOffset < pRes->info.rows && pProjectInfo->curOffset > 0) {
blockDataTrimFirstNRows(pRes, pProjectInfo->curOffset);
pProjectInfo->curOffset = 0;
}
// check for the limitation in each group
if (pProjectInfo->limit.limit > 0 && pProjectInfo->curOutput + pRes->info.rows >= pProjectInfo->limit.limit) {
pRes->info.rows = (int32_t)(pProjectInfo->limit.limit - pProjectInfo->curOutput);
if (pProjectInfo->slimit.limit == -1 || pProjectInfo->slimit.limit <= pProjectInfo->curGroupOutput) {
pOperator->status = OP_EXEC_DONE;
}
return PROJECT_RETRIEVE_DONE;
}
// todo optimize performance
// If there are slimit/soffset value exists, multi-round result can not be packed into one group, since the
// they may not belong to the same group the limit/offset value is not valid in this case.
if (pRes->info.rows >= pOperator->resultInfo.threshold || pProjectInfo->slimit.offset != -1 ||
pProjectInfo->slimit.limit != -1) {
return PROJECT_RETRIEVE_DONE;
} else { // not full enough, continue to accumulate the output data in the buffer.
return PROJECT_RETRIEVE_CONTINUE;
}
}
static SSDataBlock* doProjectOperation(SOperatorInfo* pOperator) {
SProjectOperatorInfo* pProjectInfo = pOperator->info;
SOptrBasicInfo* pInfo = &pProjectInfo->binfo;
SSDataBlock* pRes = pInfo->pRes;
blockDataCleanup(pRes);
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
#if 0
if (pProjectInfo->existDataBlock) { // TODO refactor
SSDataBlock* pBlock = pProjectInfo->existDataBlock;
pProjectInfo->existDataBlock = NULL;
// the pDataBlock are always the same one, no need to call this again
setInputDataBlock(pOperator, pInfo->pCtx, pBlock, TSDB_ORDER_ASC);
blockDataEnsureCapacity(pInfo->pRes, pBlock->info.rows);
projectApplyFunctions(pOperator->pExpr, pInfo->pRes, pBlock, pInfo->pCtx, pOperator->numOfExprs);
if (pRes->info.rows >= pProjectInfo->binfo.capacity * 0.8) {
copyTsColoum(pRes, pInfo->pCtx, pOperator->numOfExprs);
resetResultRowEntryResult(pInfo->pCtx, pOperator->numOfExprs);
return pRes;
}
}
#endif
int64_t st = 0;
int32_t order = 0;
int32_t scanFlag = 0;
if (pOperator->cost.openCost == 0) {
st = taosGetTimestampUs();
}
SOperatorInfo* downstream = pOperator->pDownstream[0];
while (1) {
// The downstream exec may change the value of the newgroup, so use a local variable instead.
SSDataBlock* pBlock = downstream->fpSet.getNextFn(downstream);
if (pBlock == NULL) {
doSetOperatorCompleted(pOperator);
break;
}
// the pDataBlock are always the same one, no need to call this again
int32_t code = getTableScanInfo(pOperator->pDownstream[0], &order, &scanFlag);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
doFilter(pProjectInfo->pFilterNode, pBlock);
setInputDataBlock(pOperator, pInfo->pCtx, pBlock, order, scanFlag, false);
blockDataEnsureCapacity(pInfo->pRes, pInfo->pRes->info.rows + pBlock->info.rows);
code = projectApplyFunctions(pOperator->pExpr, pInfo->pRes, pBlock, pInfo->pCtx, pOperator->numOfExprs,
pProjectInfo->pPseudoColInfo);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
int32_t status = handleLimitOffset(pOperator, pBlock);
if (status == PROJECT_RETRIEVE_CONTINUE) {
continue;
} else if (status == PROJECT_RETRIEVE_DONE) {
break;
}
}
pProjectInfo->curOutput += pInfo->pRes->info.rows;
size_t rows = pInfo->pRes->info.rows;
pOperator->resultInfo.totalRows += rows;
if (pOperator->cost.openCost == 0) {
pOperator->cost.openCost = (taosGetTimestampUs() - st) / 1000.0;
}
return (rows > 0) ? pInfo->pRes : NULL;
}
static void doHandleRemainBlockForNewGroupImpl(SFillOperatorInfo* pInfo, SResultInfo* pResultInfo, bool* newgroup,
SExecTaskInfo* pTaskInfo) {
pInfo->totalInputRows = pInfo->existNewGroupBlock->info.rows;
int64_t ekey = Q_STATUS_EQUAL(pTaskInfo->status, TASK_COMPLETED) ? pTaskInfo->window.ekey
: pInfo->existNewGroupBlock->info.window.ekey;
taosResetFillInfo(pInfo->pFillInfo, getFillInfoStart(pInfo->pFillInfo));
taosFillSetStartInfo(pInfo->pFillInfo, pInfo->existNewGroupBlock->info.rows, ekey);
taosFillSetInputDataBlock(pInfo->pFillInfo, pInfo->existNewGroupBlock);
doFillTimeIntervalGapsInResults(pInfo->pFillInfo, pInfo->pRes, pResultInfo->capacity);
pInfo->existNewGroupBlock = NULL;
*newgroup = true;
}
static void doHandleRemainBlockFromNewGroup(SFillOperatorInfo* pInfo, SResultInfo* pResultInfo, bool* newgroup,
SExecTaskInfo* pTaskInfo) {
if (taosFillHasMoreResults(pInfo->pFillInfo)) {
*newgroup = false;
doFillTimeIntervalGapsInResults(pInfo->pFillInfo, pInfo->pRes, (int32_t)pResultInfo->capacity);
if (pInfo->pRes->info.rows > pResultInfo->threshold || (!pInfo->multigroupResult)) {
return;
}
}
// handle the cached new group data block
if (pInfo->existNewGroupBlock) {
doHandleRemainBlockForNewGroupImpl(pInfo, pResultInfo, newgroup, pTaskInfo);
}
}
static SSDataBlock* doFill(SOperatorInfo* pOperator) {
SFillOperatorInfo* pInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SResultInfo* pResultInfo = &pOperator->resultInfo;
SSDataBlock* pResBlock = pInfo->pRes;
blockDataCleanup(pResBlock);
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
// todo handle different group data interpolation
bool n = false;
bool* newgroup = &n;
doHandleRemainBlockFromNewGroup(pInfo, pResultInfo, newgroup, pTaskInfo);
if (pResBlock->info.rows > pResultInfo->threshold || (!pInfo->multigroupResult && pResBlock->info.rows > 0)) {
return pResBlock;
}
SOperatorInfo* pDownstream = pOperator->pDownstream[0];
while (1) {
SSDataBlock* pBlock = pDownstream->fpSet.getNextFn(pDownstream);
if (*newgroup) {
assert(pBlock != NULL);
}
if (*newgroup && pInfo->totalInputRows > 0) { // there are already processed current group data block
pInfo->existNewGroupBlock = pBlock;
*newgroup = false;
// Fill the previous group data block, before handle the data block of new group.
// Close the fill operation for previous group data block
taosFillSetStartInfo(pInfo->pFillInfo, 0, pTaskInfo->window.ekey);
} else {
if (pBlock == NULL) {
if (pInfo->totalInputRows == 0) {
pOperator->status = OP_EXEC_DONE;
return NULL;
}
taosFillSetStartInfo(pInfo->pFillInfo, 0, pTaskInfo->window.ekey);
} else {
pInfo->totalInputRows += pBlock->info.rows;
taosFillSetStartInfo(pInfo->pFillInfo, pBlock->info.rows, pBlock->info.window.ekey);
taosFillSetInputDataBlock(pInfo->pFillInfo, pBlock);
}
}
blockDataEnsureCapacity(pResBlock, pOperator->resultInfo.capacity);
doFillTimeIntervalGapsInResults(pInfo->pFillInfo, pResBlock, pOperator->resultInfo.capacity);
// current group has no more result to return
if (pResBlock->info.rows > 0) {
// 1. The result in current group not reach the threshold of output result, continue
// 2. If multiple group results existing in one SSDataBlock is not allowed, return immediately
if (pResBlock->info.rows > pResultInfo->threshold || pBlock == NULL || (!pInfo->multigroupResult)) {
return pResBlock;
}
doHandleRemainBlockFromNewGroup(pInfo, pResultInfo, newgroup, pTaskInfo);
if (pResBlock->info.rows > pOperator->resultInfo.threshold || pBlock == NULL) {
return pResBlock;
}
} else if (pInfo->existNewGroupBlock) { // try next group
assert(pBlock != NULL);
doHandleRemainBlockForNewGroupImpl(pInfo, pResultInfo, newgroup, pTaskInfo);
if (pResBlock->info.rows > pResultInfo->threshold) {
return pResBlock;
}
} else {
return NULL;
}
}
}
static void destroyExprInfo(SExprInfo* pExpr, int32_t numOfExprs) {
for (int32_t i = 0; i < numOfExprs; ++i) {
SExprInfo* pExprInfo = &pExpr[i];
if (pExprInfo->pExpr->nodeType == QUERY_NODE_COLUMN) {
taosMemoryFree(pExprInfo->base.pParam[0].pCol);
}
taosMemoryFree(pExprInfo->base.pParam);
taosMemoryFree(pExprInfo->pExpr);
}
}
static void destroyOperatorInfo(SOperatorInfo* pOperator) {
if (pOperator == NULL) {
return;
}
if (pOperator->fpSet.closeFn != NULL) {
pOperator->fpSet.closeFn(pOperator->info, pOperator->numOfExprs);
}
if (pOperator->pDownstream != NULL) {
for (int32_t i = 0; i < pOperator->numOfDownstream; ++i) {
destroyOperatorInfo(pOperator->pDownstream[i]);
}
taosMemoryFreeClear(pOperator->pDownstream);
pOperator->numOfDownstream = 0;
}
if (pOperator->pExpr != NULL) {
destroyExprInfo(pOperator->pExpr, pOperator->numOfExprs);
}
taosMemoryFreeClear(pOperator->pExpr);
taosMemoryFreeClear(pOperator->info);
taosMemoryFreeClear(pOperator);
}
int32_t getBufferPgSize(int32_t rowSize, uint32_t* defaultPgsz, uint32_t* defaultBufsz) {
*defaultPgsz = 4096;
while (*defaultPgsz < rowSize * 4) {
*defaultPgsz <<= 1u;
}
// at least four pages need to be in buffer
*defaultBufsz = 4096 * 256;
if ((*defaultBufsz) <= (*defaultPgsz)) {
(*defaultBufsz) = (*defaultPgsz) * 4;
}
return 0;
}
int32_t doInitAggInfoSup(SAggSupporter* pAggSup, SqlFunctionCtx* pCtx, int32_t numOfOutput, size_t keyBufSize,
const char* pKey) {
_hash_fn_t hashFn = taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY);
pAggSup->resultRowSize = getResultRowSize(pCtx, numOfOutput);
pAggSup->keyBuf = taosMemoryCalloc(1, keyBufSize + POINTER_BYTES + sizeof(int64_t));
pAggSup->pResultRowHashTable = taosHashInit(10, hashFn, true, HASH_NO_LOCK);
if (pAggSup->keyBuf == NULL || pAggSup->pResultRowHashTable == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
uint32_t defaultPgsz = 0;
uint32_t defaultBufsz = 0;
getBufferPgSize(pAggSup->resultRowSize, &defaultPgsz, &defaultBufsz);
int32_t code = createDiskbasedBuf(&pAggSup->pResultBuf, defaultPgsz, defaultBufsz, pKey, TD_TMP_DIR_PATH);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
return TSDB_CODE_SUCCESS;
}
void cleanupAggSup(SAggSupporter* pAggSup) {
taosMemoryFreeClear(pAggSup->keyBuf);
taosHashCleanup(pAggSup->pResultRowHashTable);
destroyDiskbasedBuf(pAggSup->pResultBuf);
}
int32_t initAggInfo(SOptrBasicInfo* pBasicInfo, SAggSupporter* pAggSup, SExprInfo* pExprInfo, int32_t numOfCols,
SSDataBlock* pResultBlock, size_t keyBufSize, const char* pkey) {
pBasicInfo->pCtx = createSqlFunctionCtx(pExprInfo, numOfCols, &pBasicInfo->rowCellInfoOffset);
pBasicInfo->pRes = pResultBlock;
doInitAggInfoSup(pAggSup, pBasicInfo->pCtx, numOfCols, keyBufSize, pkey);
for (int32_t i = 0; i < numOfCols; ++i) {
pBasicInfo->pCtx[i].pBuf = pAggSup->pResultBuf;
}
return TSDB_CODE_SUCCESS;
}
void initResultSizeInfo(SOperatorInfo* pOperator, int32_t numOfRows) {
pOperator->resultInfo.capacity = numOfRows;
pOperator->resultInfo.threshold = numOfRows * 0.75;
if (pOperator->resultInfo.threshold == 0) {
pOperator->resultInfo.capacity = numOfRows;
}
}
// static STableQueryInfo* initTableQueryInfo(const STableListInfo* pTableListInfo) {
// int32_t size = taosArrayGetSize(pTableListInfo->pTableList);
// if (size == 0) {
// return NULL;
// }
//
// STableQueryInfo* pTableQueryInfo = taosMemoryCalloc(size, sizeof(STableQueryInfo));
// if (pTableQueryInfo == NULL) {
// return NULL;
// }
//
// for (int32_t j = 0; j < size; ++j) {
// STableKeyInfo* pk = taosArrayGet(pTableListInfo->pTableList, j);
// STableQueryInfo* pTQueryInfo = &pTableQueryInfo[j];
// pTQueryInfo->lastKey = pk->lastKey;
// }
//
// pTableQueryInfo->lastKey = 0;
// return pTableQueryInfo;
//}
SOperatorInfo* createAggregateOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols,
SSDataBlock* pResultBlock, SExprInfo* pScalarExprInfo,
int32_t numOfScalarExpr, SExecTaskInfo* pTaskInfo) {
SAggOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SAggOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
goto _error;
}
int32_t numOfRows = 1024;
size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
initResultSizeInfo(pOperator, numOfRows);
int32_t code =
initAggInfo(&pInfo->binfo, &pInfo->aggSup, pExprInfo, numOfCols, pResultBlock, keyBufSize, pTaskInfo->id.str);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
int32_t numOfGroup = 10; // todo replaced with true value
pInfo->groupId = INT32_MIN;
initResultRowInfo(&pInfo->binfo.resultRowInfo, numOfGroup);
pInfo->pScalarExprInfo = pScalarExprInfo;
pInfo->numOfScalarExpr = numOfScalarExpr;
if (pInfo->pScalarExprInfo != NULL) {
pInfo->pScalarCtx = createSqlFunctionCtx(pScalarExprInfo, numOfScalarExpr, &pInfo->rowCellInfoOffset);
}
pOperator->name = "TableAggregate";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_HASH_AGG;
pOperator->blocking = true;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->pExpr = pExprInfo;
pOperator->numOfExprs = numOfCols;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(doOpenAggregateOptr, getAggregateResult, NULL, NULL, destroyAggOperatorInfo,
aggEncodeResultRow, aggDecodeResultRow, NULL);
code = appendDownstream(pOperator, &downstream, 1);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
return pOperator;
_error:
destroyAggOperatorInfo(pInfo, numOfCols);
taosMemoryFreeClear(pInfo);
taosMemoryFreeClear(pOperator);
pTaskInfo->code = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
void doDestroyBasicInfo(SOptrBasicInfo* pInfo, int32_t numOfOutput) {
assert(pInfo != NULL);
destroySqlFunctionCtx(pInfo->pCtx, numOfOutput);
taosMemoryFreeClear(pInfo->rowCellInfoOffset);
cleanupResultRowInfo(&pInfo->resultRowInfo);
pInfo->pRes = blockDataDestroy(pInfo->pRes);
}
void destroyBasicOperatorInfo(void* param, int32_t numOfOutput) {
SOptrBasicInfo* pInfo = (SOptrBasicInfo*)param;
doDestroyBasicInfo(pInfo, numOfOutput);
}
void destroyAggOperatorInfo(void* param, int32_t numOfOutput) {
SAggOperatorInfo* pInfo = (SAggOperatorInfo*)param;
doDestroyBasicInfo(&pInfo->binfo, numOfOutput);
}
void destroySFillOperatorInfo(void* param, int32_t numOfOutput) {
SFillOperatorInfo* pInfo = (SFillOperatorInfo*)param;
pInfo->pFillInfo = taosDestroyFillInfo(pInfo->pFillInfo);
pInfo->pRes = blockDataDestroy(pInfo->pRes);
taosMemoryFreeClear(pInfo->p);
}
static void destroyProjectOperatorInfo(void* param, int32_t numOfOutput) {
if (NULL == param) {
return;
}
SProjectOperatorInfo* pInfo = (SProjectOperatorInfo*)param;
doDestroyBasicInfo(&pInfo->binfo, numOfOutput);
cleanupAggSup(&pInfo->aggSup);
taosArrayDestroy(pInfo->pPseudoColInfo);
}
static void destroyIndefinitOperatorInfo(void* param, int32_t numOfOutput) {
SIndefOperatorInfo* pInfo = (SIndefOperatorInfo*)param;
doDestroyBasicInfo(&pInfo->binfo, numOfOutput);
taosArrayDestroy(pInfo->pPseudoColInfo);
cleanupAggSup(&pInfo->aggSup);
destroySqlFunctionCtx(pInfo->pScalarCtx, numOfOutput);
destroyExprInfo(pInfo->pScalarExpr, pInfo->numOfScalarExpr);
taosMemoryFree(pInfo->rowCellInfoOffset);
}
void destroyExchangeOperatorInfo(void* param, int32_t numOfOutput) {
SExchangeInfo* pExInfo = (SExchangeInfo*)param;
taosRemoveRef(exchangeObjRefPool, pExInfo->self);
}
void doDestroyExchangeOperatorInfo(void* param) {
SExchangeInfo* pExInfo = (SExchangeInfo*)param;
taosArrayDestroy(pExInfo->pSources);
taosArrayDestroy(pExInfo->pSourceDataInfo);
if (pExInfo->pResult != NULL) {
blockDataDestroy(pExInfo->pResult);
}
tsem_destroy(&pExInfo->ready);
}
static SArray* setRowTsColumnOutputInfo(SqlFunctionCtx* pCtx, int32_t numOfCols) {
SArray* pList = taosArrayInit(4, sizeof(int32_t));
for (int32_t i = 0; i < numOfCols; ++i) {
if (fmIsPseudoColumnFunc(pCtx[i].functionId)) {
taosArrayPush(pList, &i);
}
}
return pList;
}
SOperatorInfo* createProjectOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t num,
SSDataBlock* pResBlock, SLimit* pLimit, SLimit* pSlimit, SNode* pCondition,
SExecTaskInfo* pTaskInfo) {
SProjectOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SProjectOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
goto _error;
}
pInfo->limit = *pLimit;
pInfo->slimit = *pSlimit;
pInfo->curOffset = pLimit->offset;
pInfo->curSOffset = pSlimit->offset;
pInfo->binfo.pRes = pResBlock;
pInfo->pFilterNode = pCondition;
int32_t numOfCols = num;
int32_t numOfRows = 4096;
size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
// Make sure the size of SSDataBlock will never exceed the size of 2MB.
int32_t TWOMB = 2 * 1024 * 1024;
if (numOfRows * pResBlock->info.rowSize > TWOMB) {
numOfRows = TWOMB / pResBlock->info.rowSize;
}
initResultSizeInfo(pOperator, numOfRows);
initAggInfo(&pInfo->binfo, &pInfo->aggSup, pExprInfo, numOfCols, pResBlock, keyBufSize, pTaskInfo->id.str);
setFunctionResultOutput(&pInfo->binfo, &pInfo->aggSup, MAIN_SCAN, numOfCols, pTaskInfo);
pInfo->pPseudoColInfo = setRowTsColumnOutputInfo(pInfo->binfo.pCtx, numOfCols);
pOperator->name = "ProjectOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_PROJECT;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->pExpr = pExprInfo;
pOperator->numOfExprs = num;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doProjectOperation, NULL, NULL,
destroyProjectOperatorInfo, NULL, NULL, NULL);
int32_t code = appendDownstream(pOperator, &downstream, 1);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
return pOperator;
_error:
pTaskInfo->code = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
static SSDataBlock* doApplyIndefinitFunction(SOperatorInfo* pOperator) {
SIndefOperatorInfo* pIndefInfo = pOperator->info;
SOptrBasicInfo* pInfo = &pIndefInfo->binfo;
SSDataBlock* pRes = pInfo->pRes;
blockDataCleanup(pRes);
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
int64_t st = 0;
int32_t order = 0;
int32_t scanFlag = 0;
if (pOperator->cost.openCost == 0) {
st = taosGetTimestampUs();
}
SOperatorInfo* downstream = pOperator->pDownstream[0];
while (1) {
// The downstream exec may change the value of the newgroup, so use a local variable instead.
SSDataBlock* pBlock = downstream->fpSet.getNextFn(downstream);
if (pBlock == NULL) {
doSetOperatorCompleted(pOperator);
break;
}
// the pDataBlock are always the same one, no need to call this again
int32_t code = getTableScanInfo(pOperator->pDownstream[0], &order, &scanFlag);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
// there is an scalar expression that needs to be calculated before apply the group aggregation.
if (pIndefInfo->pScalarExpr != NULL) {
code = projectApplyFunctions(pIndefInfo->pScalarExpr, pBlock, pBlock, pIndefInfo->pScalarCtx,
pIndefInfo->numOfScalarExpr, pIndefInfo->pPseudoColInfo);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
}
setInputDataBlock(pOperator, pInfo->pCtx, pBlock, order, scanFlag, false);
blockDataEnsureCapacity(pInfo->pRes, pInfo->pRes->info.rows + pBlock->info.rows);
code = projectApplyFunctions(pOperator->pExpr, pInfo->pRes, pBlock, pInfo->pCtx, pOperator->numOfExprs,
pIndefInfo->pPseudoColInfo);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
}
size_t rows = pInfo->pRes->info.rows;
pOperator->resultInfo.totalRows += rows;
if (pOperator->cost.openCost == 0) {
pOperator->cost.openCost = (taosGetTimestampUs() - st) / 1000.0;
}
return (rows > 0) ? pInfo->pRes : NULL;
}
SOperatorInfo* createIndefinitOutputOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pNode,
SExecTaskInfo* pTaskInfo) {
SIndefOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SIndefOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
goto _error;
}
SIndefRowsFuncPhysiNode* pPhyNode = (SIndefRowsFuncPhysiNode*)pNode;
int32_t numOfExpr = 0;
SExprInfo* pExprInfo = createExprInfo(pPhyNode->pVectorFuncs, NULL, &numOfExpr);
int32_t numOfScalarExpr = 0;
if (pPhyNode->pExprs != NULL) {
pInfo->pScalarExpr = createExprInfo(pPhyNode->pExprs, NULL, &numOfScalarExpr);
pInfo->pScalarCtx = createSqlFunctionCtx(pInfo->pScalarExpr, numOfScalarExpr, &pInfo->rowCellInfoOffset);
}
SSDataBlock* pResBlock = createResDataBlock(pPhyNode->node.pOutputDataBlockDesc);
;
int32_t numOfRows = 4096;
size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
// Make sure the size of SSDataBlock will never exceed the size of 2MB.
int32_t TWOMB = 2 * 1024 * 1024;
if (numOfRows * pResBlock->info.rowSize > TWOMB) {
numOfRows = TWOMB / pResBlock->info.rowSize;
}
initResultSizeInfo(pOperator, numOfRows);
initAggInfo(&pInfo->binfo, &pInfo->aggSup, pExprInfo, numOfExpr, pResBlock, keyBufSize, pTaskInfo->id.str);
setFunctionResultOutput(&pInfo->binfo, &pInfo->aggSup, MAIN_SCAN, numOfExpr, pTaskInfo);
pInfo->binfo.pRes = pResBlock;
pInfo->numOfScalarExpr = numOfScalarExpr;
pInfo->pPseudoColInfo = setRowTsColumnOutputInfo(pInfo->binfo.pCtx, numOfExpr);
pOperator->name = "IndefinitOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_PROJECT;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->pExpr = pExprInfo;
pOperator->numOfExprs = numOfExpr;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doApplyIndefinitFunction, NULL, NULL,
destroyIndefinitOperatorInfo, NULL, NULL, NULL);
int32_t code = appendDownstream(pOperator, &downstream, 1);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
return pOperator;
_error:
taosMemoryFree(pInfo);
taosMemoryFree(pOperator);
pTaskInfo->code = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
static int32_t initFillInfo(SFillOperatorInfo* pInfo, SExprInfo* pExpr, int32_t numOfCols, SNodeListNode* pValNode,
STimeWindow win, int32_t capacity, const char* id, SInterval* pInterval, int32_t fillType) {
SFillColInfo* pColInfo = createFillColInfo(pExpr, numOfCols, pValNode);
STimeWindow w = TSWINDOW_INITIALIZER;
getAlignQueryTimeWindow(pInterval, pInterval->precision, win.skey, &w);
int32_t order = TSDB_ORDER_ASC;
pInfo->pFillInfo = taosCreateFillInfo(order, w.skey, 0, capacity, numOfCols, pInterval, fillType, pColInfo, id);
pInfo->p = taosMemoryCalloc(numOfCols, POINTER_BYTES);
if (pInfo->pFillInfo == NULL || pInfo->p == NULL) {
taosMemoryFree(pInfo->pFillInfo);
taosMemoryFree(pInfo->p);
return TSDB_CODE_OUT_OF_MEMORY;
} else {
return TSDB_CODE_SUCCESS;
}
}
SOperatorInfo* createFillOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExpr, int32_t numOfCols,
SInterval* pInterval, STimeWindow* pWindow, SSDataBlock* pResBlock,
int32_t fillType, SNodeListNode* pValueNode, bool multigroupResult,
SExecTaskInfo* pTaskInfo) {
SFillOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SFillOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
pInfo->pRes = pResBlock;
pInfo->multigroupResult = multigroupResult;
int32_t type = TSDB_FILL_NONE;
switch (fillType) {
case FILL_MODE_PREV:
type = TSDB_FILL_PREV;
break;
case FILL_MODE_NONE:
type = TSDB_FILL_NONE;
break;
case FILL_MODE_NULL:
type = TSDB_FILL_NULL;
break;
case FILL_MODE_NEXT:
type = TSDB_FILL_NEXT;
break;
case FILL_MODE_VALUE:
type = TSDB_FILL_SET_VALUE;
break;
case FILL_MODE_LINEAR:
type = TSDB_FILL_LINEAR;
break;
default:
type = TSDB_FILL_NONE;
}
SResultInfo* pResultInfo = &pOperator->resultInfo;
initResultSizeInfo(pOperator, 4096);
int32_t code = initFillInfo(pInfo, pExpr, numOfCols, pValueNode, *pWindow, pResultInfo->capacity, pTaskInfo->id.str,
pInterval, type);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
pOperator->name = "FillOperator";
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_FILL;
pOperator->pExpr = pExpr;
pOperator->numOfExprs = numOfCols;
pOperator->info = pInfo;
pOperator->fpSet =
createOperatorFpSet(operatorDummyOpenFn, doFill, NULL, NULL, destroySFillOperatorInfo, NULL, NULL, NULL);
pOperator->pTaskInfo = pTaskInfo;
code = appendDownstream(pOperator, &downstream, 1);
return pOperator;
_error:
taosMemoryFreeClear(pOperator);
taosMemoryFreeClear(pInfo);
return NULL;
}
static SResSchema createResSchema(int32_t type, int32_t bytes, int32_t slotId, int32_t scale, int32_t precision,
const char* name) {
SResSchema s = {0};
s.scale = scale;
s.type = type;
s.bytes = bytes;
s.slotId = slotId;
s.precision = precision;
strncpy(s.name, name, tListLen(s.name));
return s;
}
static SColumn* createColumn(int32_t blockId, int32_t slotId, int32_t colId, SDataType* pType) {
SColumn* pCol = taosMemoryCalloc(1, sizeof(SColumn));
if (pCol == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
pCol->slotId = slotId;
pCol->colId = colId;
pCol->bytes = pType->bytes;
pCol->type = pType->type;
pCol->scale = pType->scale;
pCol->precision = pType->precision;
pCol->dataBlockId = blockId;
return pCol;
}
SExprInfo* createExprInfo(SNodeList* pNodeList, SNodeList* pGroupKeys, int32_t* numOfExprs) {
int32_t numOfFuncs = LIST_LENGTH(pNodeList);
int32_t numOfGroupKeys = 0;
if (pGroupKeys != NULL) {
numOfGroupKeys = LIST_LENGTH(pGroupKeys);
}
*numOfExprs = numOfFuncs + numOfGroupKeys;
SExprInfo* pExprs = taosMemoryCalloc(*numOfExprs, sizeof(SExprInfo));
for (int32_t i = 0; i < (*numOfExprs); ++i) {
STargetNode* pTargetNode = NULL;
if (i < numOfFuncs) {
pTargetNode = (STargetNode*)nodesListGetNode(pNodeList, i);
} else {
pTargetNode = (STargetNode*)nodesListGetNode(pGroupKeys, i - numOfFuncs);
}
SExprInfo* pExp = &pExprs[i];
pExp->pExpr = taosMemoryCalloc(1, sizeof(tExprNode));
pExp->pExpr->_function.num = 1;
pExp->pExpr->_function.functionId = -1;
int32_t type = nodeType(pTargetNode->pExpr);
// it is a project query, or group by column
if (type == QUERY_NODE_COLUMN) {
pExp->pExpr->nodeType = QUERY_NODE_COLUMN;
SColumnNode* pColNode = (SColumnNode*)pTargetNode->pExpr;
pExp->base.pParam = taosMemoryCalloc(1, sizeof(SFunctParam));
pExp->base.numOfParams = 1;
SDataType* pType = &pColNode->node.resType;
pExp->base.resSchema = createResSchema(pType->type, pType->bytes, pTargetNode->slotId, pType->scale,
pType->precision, pColNode->colName);
pExp->base.pParam[0].pCol = createColumn(pColNode->dataBlockId, pColNode->slotId, pColNode->colId, pType);
pExp->base.pParam[0].type = FUNC_PARAM_TYPE_COLUMN;
} else if (type == QUERY_NODE_VALUE) {
pExp->pExpr->nodeType = QUERY_NODE_VALUE;
SValueNode* pValNode = (SValueNode*)pTargetNode->pExpr;
pExp->base.pParam = taosMemoryCalloc(1, sizeof(SFunctParam));
pExp->base.numOfParams = 1;
SDataType* pType = &pValNode->node.resType;
pExp->base.resSchema = createResSchema(pType->type, pType->bytes, pTargetNode->slotId, pType->scale,
pType->precision, pValNode->node.aliasName);
pExp->base.pParam[0].type = FUNC_PARAM_TYPE_VALUE;
nodesValueNodeToVariant(pValNode, &pExp->base.pParam[0].param);
} else if (type == QUERY_NODE_FUNCTION) {
pExp->pExpr->nodeType = QUERY_NODE_FUNCTION;
SFunctionNode* pFuncNode = (SFunctionNode*)pTargetNode->pExpr;
SDataType* pType = &pFuncNode->node.resType;
pExp->base.resSchema = createResSchema(pType->type, pType->bytes, pTargetNode->slotId, pType->scale,
pType->precision, pFuncNode->node.aliasName);
pExp->pExpr->_function.functionId = pFuncNode->funcId;
pExp->pExpr->_function.pFunctNode = pFuncNode;
strncpy(pExp->pExpr->_function.functionName, pFuncNode->functionName,
tListLen(pExp->pExpr->_function.functionName));
#if 1
// todo refactor: add the parameter for tbname function
if (strcmp(pExp->pExpr->_function.functionName, "tbname") == 0) {
pFuncNode->pParameterList = nodesMakeList();
ASSERT(LIST_LENGTH(pFuncNode->pParameterList) == 0);
SValueNode* res = (SValueNode*)nodesMakeNode(QUERY_NODE_VALUE);
if (NULL == res) { // todo handle error
} else {
res->node.resType = (SDataType){.bytes = sizeof(int64_t), .type = TSDB_DATA_TYPE_BIGINT};
nodesListAppend(pFuncNode->pParameterList, (SNode*)res);
}
}
#endif
int32_t numOfParam = LIST_LENGTH(pFuncNode->pParameterList);
pExp->base.pParam = taosMemoryCalloc(numOfParam, sizeof(SFunctParam));
pExp->base.numOfParams = numOfParam;
for (int32_t j = 0; j < numOfParam; ++j) {
SNode* p1 = nodesListGetNode(pFuncNode->pParameterList, j);
if (p1->type == QUERY_NODE_COLUMN) {
SColumnNode* pcn = (SColumnNode*)p1;
pExp->base.pParam[j].type = FUNC_PARAM_TYPE_COLUMN;
pExp->base.pParam[j].pCol = createColumn(pcn->dataBlockId, pcn->slotId, pcn->colId, &pcn->node.resType);
} else if (p1->type == QUERY_NODE_VALUE) {
SValueNode* pvn = (SValueNode*)p1;
pExp->base.pParam[j].type = FUNC_PARAM_TYPE_VALUE;
nodesValueNodeToVariant(pvn, &pExp->base.pParam[j].param);
}
}
} else if (type == QUERY_NODE_OPERATOR) {
pExp->pExpr->nodeType = QUERY_NODE_OPERATOR;
SOperatorNode* pNode = (SOperatorNode*)pTargetNode->pExpr;
pExp->base.pParam = taosMemoryCalloc(1, sizeof(SFunctParam));
pExp->base.numOfParams = 1;
SDataType* pType = &pNode->node.resType;
pExp->base.resSchema = createResSchema(pType->type, pType->bytes, pTargetNode->slotId, pType->scale,
pType->precision, pNode->node.aliasName);
pExp->pExpr->_optrRoot.pRootNode = pTargetNode->pExpr;
} else {
ASSERT(0);
}
}
return pExprs;
}
static SExecTaskInfo* createExecTaskInfo(uint64_t queryId, uint64_t taskId, EOPTR_EXEC_MODEL model, char* dbFName) {
SExecTaskInfo* pTaskInfo = taosMemoryCalloc(1, sizeof(SExecTaskInfo));
setTaskStatus(pTaskInfo, TASK_NOT_COMPLETED);
pTaskInfo->schemaVer.dbname = strdup(dbFName);
pTaskInfo->cost.created = taosGetTimestampMs();
pTaskInfo->id.queryId = queryId;
pTaskInfo->execModel = model;
char* p = taosMemoryCalloc(1, 128);
snprintf(p, 128, "TID:0x%" PRIx64 " QID:0x%" PRIx64, taskId, queryId);
pTaskInfo->id.str = p;
return pTaskInfo;
}
static STsdbReader doCreateDataReader(STableScanPhysiNode* pTableScanNode, SReadHandle* pHandle,
STableListInfo* pTableListInfo, uint64_t queryId, uint64_t taskId,
SNode* pTagCond);
static SArray* extractColumnInfo(SNodeList* pNodeList);
static SArray* createSortInfo(SNodeList* pNodeList);
static SArray* extractPartitionColInfo(SNodeList* pNodeList);
int32_t extractTableSchemaVersion(SReadHandle* pHandle, uint64_t uid, SExecTaskInfo* pTaskInfo) {
SMetaReader mr = {0};
metaReaderInit(&mr, pHandle->meta, 0);
int32_t code = metaGetTableEntryByUid(&mr, uid);
if (code) {
metaReaderClear(&mr);
return code;
}
pTaskInfo->schemaVer.tablename = strdup(mr.me.name);
if (mr.me.type == TSDB_SUPER_TABLE) {
pTaskInfo->schemaVer.sversion = mr.me.stbEntry.schemaRow.version;
pTaskInfo->schemaVer.tversion = mr.me.stbEntry.schemaTag.version;
} else if (mr.me.type == TSDB_CHILD_TABLE) {
tb_uid_t suid = mr.me.ctbEntry.suid;
metaGetTableEntryByUid(&mr, suid);
pTaskInfo->schemaVer.sversion = mr.me.stbEntry.schemaRow.version;
pTaskInfo->schemaVer.tversion = mr.me.stbEntry.schemaTag.version;
} else {
pTaskInfo->schemaVer.sversion = mr.me.ntbEntry.schemaRow.version;
}
metaReaderClear(&mr);
return TSDB_CODE_SUCCESS;
}
int32_t generateGroupIdMap(STableListInfo* pTableListInfo, SReadHandle* pHandle, SArray* groupKey) {
if (groupKey == NULL) {
return TDB_CODE_SUCCESS;
}
pTableListInfo->map = taosHashInit(32, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_NO_LOCK);
if (pTableListInfo->map == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t keyLen = 0;
void* keyBuf = NULL;
int32_t numOfGroupCols = taosArrayGetSize(groupKey);
for (int32_t j = 0; j < numOfGroupCols; ++j) {
SColumn* pCol = taosArrayGet(groupKey, j);
keyLen += pCol->bytes; // actual data + null_flag
}
int32_t nullFlagSize = sizeof(int8_t) * numOfGroupCols;
keyLen += nullFlagSize;
keyBuf = taosMemoryCalloc(1, keyLen);
if (keyBuf == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
for (int32_t i = 0; i < taosArrayGetSize(pTableListInfo->pTableList); i++) {
STableKeyInfo* info = taosArrayGet(pTableListInfo->pTableList, i);
SMetaReader mr = {0};
metaReaderInit(&mr, pHandle->meta, 0);
metaGetTableEntryByUid(&mr, info->uid);
char* isNull = (char*)keyBuf;
char* pStart = (char*)keyBuf + sizeof(int8_t) * numOfGroupCols;
for (int32_t j = 0; j < numOfGroupCols; ++j) {
SColumn* pCol = taosArrayGet(groupKey, j);
if (strcmp(pCol->name, "tbname") == 0) {
isNull[i] = 0;
memcpy(pStart, mr.me.name, strlen(mr.me.name));
pStart += strlen(mr.me.name);
} else {
STagVal tagVal = {0};
tagVal.cid = pCol->colId;
const char* p = metaGetTableTagVal(&mr.me, pCol->type, &tagVal);
if (p == NULL) {
isNull[j] = 1;
continue;
}
isNull[i] = 0;
if (pCol->type == TSDB_DATA_TYPE_JSON) {
// int32_t dataLen = getJsonValueLen(pkey->pData);
// memcpy(pStart, (pkey->pData), dataLen);
// pStart += dataLen;
} else if (IS_VAR_DATA_TYPE(pCol->type)) {
memcpy(pStart, tagVal.pData, tagVal.nData);
pStart += tagVal.nData;
ASSERT(tagVal.nData <= pCol->bytes);
} else {
memcpy(pStart, &(tagVal.i64), pCol->bytes);
pStart += pCol->bytes;
}
}
}
int32_t len = (int32_t)(pStart - (char*)keyBuf);
uint64_t* groupId = taosHashGet(pTableListInfo->map, keyBuf, len);
if (groupId) {
taosHashPut(pTableListInfo->map, &(info->uid), sizeof(uint64_t), groupId, sizeof(uint64_t));
} else {
uint64_t tmpId = calcGroupId(keyBuf, len);
taosHashPut(pTableListInfo->map, &(info->uid), sizeof(uint64_t), &tmpId, sizeof(uint64_t));
}
metaReaderClear(&mr);
}
taosMemoryFree(keyBuf);
return TDB_CODE_SUCCESS;
}
SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo, SReadHandle* pHandle,
uint64_t queryId, uint64_t taskId, STableListInfo* pTableListInfo, SNode* pTagCond) {
int32_t type = nodeType(pPhyNode);
if (pPhyNode->pChildren == NULL || LIST_LENGTH(pPhyNode->pChildren) == 0) {
if (QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN == type) {
STableScanPhysiNode* pTableScanNode = (STableScanPhysiNode*)pPhyNode;
STsdbReader pDataReader =
doCreateDataReader(pTableScanNode, pHandle, pTableListInfo, (uint64_t)queryId, taskId, pTagCond);
if (pDataReader == NULL && terrno != 0) {
return NULL;
}
int32_t code = extractTableSchemaVersion(pHandle, pTableScanNode->scan.uid, pTaskInfo);
if (code) {
tsdbCleanupReadHandle(pDataReader);
return NULL;
}
SArray* groupKeys = extractPartitionColInfo(pTableScanNode->pPartitionTags);
code = generateGroupIdMap(pTableListInfo, pHandle, groupKeys); // todo for json
taosArrayDestroy(groupKeys);
if (code) {
tsdbCleanupReadHandle(pDataReader);
return NULL;
}
SOperatorInfo* pOperator = createTableScanOperatorInfo(pTableScanNode, pDataReader, pHandle, pTaskInfo);
STableScanInfo* pScanInfo = pOperator->info;
pTaskInfo->cost.pRecoder = &pScanInfo->readRecorder;
return pOperator;
} else if (QUERY_NODE_PHYSICAL_PLAN_TABLE_MERGE_SCAN == type) {
STableMergeScanPhysiNode* pTableScanNode = (STableMergeScanPhysiNode*)pPhyNode;
SArray* dataReaders = taosArrayInit(8, POINTER_BYTES);
createMultipleDataReaders(pTableScanNode, pHandle, pTableListInfo, dataReaders, queryId, taskId, pTagCond);
extractTableSchemaVersion(pHandle, pTableScanNode->scan.uid, pTaskInfo);
SArray* groupKeys = extractPartitionColInfo(pTableScanNode->pPartitionTags);
generateGroupIdMap(pTableListInfo, pHandle, groupKeys); // todo for json
taosArrayDestroy(groupKeys);
SOperatorInfo* pOperator = createTableMergeScanOperatorInfo(pTableScanNode, dataReaders, pHandle, pTaskInfo);
STableScanInfo* pScanInfo = pOperator->info;
pTaskInfo->cost.pRecoder = &pScanInfo->readRecorder;
return pOperator;
} else if (QUERY_NODE_PHYSICAL_PLAN_EXCHANGE == type) {
return createExchangeOperatorInfo(pHandle->pMsgCb->clientRpc, (SExchangePhysiNode*)pPhyNode, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN == type) {
SScanPhysiNode* pScanPhyNode = (SScanPhysiNode*)pPhyNode; // simple child table.
STableScanPhysiNode* pTableScanNode = (STableScanPhysiNode*)pPhyNode;
STimeWindowAggSupp twSup = {
.waterMark = pTableScanNode->watermark, .calTrigger = pTableScanNode->triggerType, .maxTs = INT64_MIN};
STsdbReader pDataReader = NULL;
if (pHandle->vnode) {
pDataReader = doCreateDataReader(pTableScanNode, pHandle, pTableListInfo, (uint64_t)queryId, taskId, pTagCond);
} else {
getTableList(pHandle->meta, pScanPhyNode->tableType, pScanPhyNode->uid, pTableListInfo, pTagCond);
}
if (pDataReader == NULL && terrno != 0) {
qDebug("%s pDataReader is NULL", GET_TASKID(pTaskInfo));
// return NULL;
} else {
qDebug("%s pDataReader is not NULL", GET_TASKID(pTaskInfo));
}
SArray* groupKeys = extractPartitionColInfo(pTableScanNode->pPartitionTags);
int32_t code = generateGroupIdMap(pTableListInfo, pHandle, groupKeys); // todo for json
taosArrayDestroy(groupKeys);
if (code) {
tsdbCleanupReadHandle(pDataReader);
return NULL;
}
SOperatorInfo* pOperator = createStreamScanOperatorInfo(pDataReader, pHandle, pTableScanNode, pTaskInfo, &twSup);
return pOperator;
} else if (QUERY_NODE_PHYSICAL_PLAN_SYSTABLE_SCAN == type) {
SSystemTableScanPhysiNode* pSysScanPhyNode = (SSystemTableScanPhysiNode*)pPhyNode;
return createSysTableScanOperatorInfo(pHandle, pSysScanPhyNode, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_TAG_SCAN == type) {
STagScanPhysiNode* pScanPhyNode = (STagScanPhysiNode*)pPhyNode;
int32_t code = getTableList(pHandle->meta, pScanPhyNode->tableType, pScanPhyNode->uid, pTableListInfo,
pScanPhyNode->node.pConditions);
if (code != TSDB_CODE_SUCCESS) {
return NULL;
}
return createTagScanOperatorInfo(pHandle, pScanPhyNode, pTableListInfo, pTaskInfo);
} else {
ASSERT(0);
}
}
int32_t num = 0;
size_t size = LIST_LENGTH(pPhyNode->pChildren);
SOperatorInfo** ops = taosMemoryCalloc(size, POINTER_BYTES);
for (int32_t i = 0; i < size; ++i) {
SPhysiNode* pChildNode = (SPhysiNode*)nodesListGetNode(pPhyNode->pChildren, i);
ops[i] = createOperatorTree(pChildNode, pTaskInfo, pHandle, queryId, taskId, pTableListInfo, pTagCond);
if (ops[i] == NULL) {
return NULL;
}
}
SOperatorInfo* pOptr = NULL;
if (QUERY_NODE_PHYSICAL_PLAN_PROJECT == type) {
SProjectPhysiNode* pProjPhyNode = (SProjectPhysiNode*)pPhyNode;
SExprInfo* pExprInfo = createExprInfo(pProjPhyNode->pProjections, NULL, &num);
SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
SLimit limit = {.limit = pProjPhyNode->limit, .offset = pProjPhyNode->offset};
SLimit slimit = {.limit = pProjPhyNode->slimit, .offset = pProjPhyNode->soffset};
pOptr = createProjectOperatorInfo(ops[0], pExprInfo, num, pResBlock, &limit, &slimit,
pProjPhyNode->node.pConditions, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_HASH_AGG == type) {
SAggPhysiNode* pAggNode = (SAggPhysiNode*)pPhyNode;
SExprInfo* pExprInfo = createExprInfo(pAggNode->pAggFuncs, pAggNode->pGroupKeys, &num);
SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
int32_t numOfScalarExpr = 0;
SExprInfo* pScalarExprInfo = NULL;
if (pAggNode->pExprs != NULL) {
pScalarExprInfo = createExprInfo(pAggNode->pExprs, NULL, &numOfScalarExpr);
}
if (pAggNode->pGroupKeys != NULL) {
SArray* pColList = extractColumnInfo(pAggNode->pGroupKeys);
pOptr = createGroupOperatorInfo(ops[0], pExprInfo, num, pResBlock, pColList, pAggNode->node.pConditions,
pScalarExprInfo, numOfScalarExpr, pTaskInfo);
} else {
pOptr =
createAggregateOperatorInfo(ops[0], pExprInfo, num, pResBlock, pScalarExprInfo, numOfScalarExpr, pTaskInfo);
}
} else if (QUERY_NODE_PHYSICAL_PLAN_HASH_INTERVAL == type || QUERY_NODE_PHYSICAL_PLAN_STREAM_INTERVAL == type) {
SIntervalPhysiNode* pIntervalPhyNode = (SIntervalPhysiNode*)pPhyNode;
SExprInfo* pExprInfo = createExprInfo(pIntervalPhyNode->window.pFuncs, NULL, &num);
SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
SInterval interval = {.interval = pIntervalPhyNode->interval,
.sliding = pIntervalPhyNode->sliding,
.intervalUnit = pIntervalPhyNode->intervalUnit,
.slidingUnit = pIntervalPhyNode->slidingUnit,
.offset = pIntervalPhyNode->offset,
.precision = ((SColumnNode*)pIntervalPhyNode->window.pTspk)->node.resType.precision};
STimeWindowAggSupp as = {
.waterMark = pIntervalPhyNode->window.watermark,
.calTrigger = pIntervalPhyNode->window.triggerType,
.maxTs = INT64_MIN,
};
ASSERT(as.calTrigger != STREAM_TRIGGER_MAX_DELAY);
int32_t tsSlotId = ((SColumnNode*)pIntervalPhyNode->window.pTspk)->slotId;
bool isStream = (QUERY_NODE_PHYSICAL_PLAN_STREAM_INTERVAL == type);
pOptr =
createIntervalOperatorInfo(ops[0], pExprInfo, num, pResBlock, &interval, tsSlotId, &as, pTaskInfo, isStream);
} else if (QUERY_NODE_PHYSICAL_PLAN_MERGE_INTERVAL == type) {
SMergeIntervalPhysiNode* pIntervalPhyNode = (SMergeIntervalPhysiNode*)pPhyNode;
SExprInfo* pExprInfo = createExprInfo(pIntervalPhyNode->window.pFuncs, NULL, &num);
SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
SInterval interval = {.interval = pIntervalPhyNode->interval,
.sliding = pIntervalPhyNode->sliding,
.intervalUnit = pIntervalPhyNode->intervalUnit,
.slidingUnit = pIntervalPhyNode->slidingUnit,
.offset = pIntervalPhyNode->offset,
.precision = ((SColumnNode*)pIntervalPhyNode->window.pTspk)->node.resType.precision};
int32_t tsSlotId = ((SColumnNode*)pIntervalPhyNode->window.pTspk)->slotId;
pOptr = createMergeIntervalOperatorInfo(ops[0], pExprInfo, num, pResBlock, &interval, tsSlotId, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_STREAM_SEMI_INTERVAL == type) {
int32_t children = 0;
pOptr = createStreamFinalIntervalOperatorInfo(ops[0], pPhyNode, pTaskInfo, children);
} else if (QUERY_NODE_PHYSICAL_PLAN_STREAM_FINAL_INTERVAL == type) {
int32_t children = 1;
pOptr = createStreamFinalIntervalOperatorInfo(ops[0], pPhyNode, pTaskInfo, children);
} else if (QUERY_NODE_PHYSICAL_PLAN_SORT == type) {
SSortPhysiNode* pSortPhyNode = (SSortPhysiNode*)pPhyNode;
SDataBlockDescNode* pDescNode = pPhyNode->pOutputDataBlockDesc;
SSDataBlock* pResBlock = createResDataBlock(pDescNode);
SArray* info = createSortInfo(pSortPhyNode->pSortKeys);
int32_t numOfCols = 0;
SExprInfo* pExprInfo = createExprInfo(pSortPhyNode->pExprs, NULL, &numOfCols);
int32_t numOfOutputCols = 0;
SArray* pColList =
extractColMatchInfo(pSortPhyNode->pTargets, pDescNode, &numOfOutputCols, pTaskInfo, COL_MATCH_FROM_SLOT_ID);
pOptr = createSortOperatorInfo(ops[0], pResBlock, info, pExprInfo, numOfCols, pColList, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_MERGE == type) {
SMergePhysiNode* pMergePhyNode = (SMergePhysiNode*)pPhyNode;
SDataBlockDescNode* pDescNode = pPhyNode->pOutputDataBlockDesc;
SSDataBlock* pResBlock = createResDataBlock(pDescNode);
SArray* sortInfo = createSortInfo(pMergePhyNode->pMergeKeys);
int32_t numOfOutputCols = 0;
SArray* pColList =
extractColMatchInfo(pMergePhyNode->pTargets, pDescNode, &numOfOutputCols, pTaskInfo, COL_MATCH_FROM_SLOT_ID);
SPhysiNode* pChildNode = (SPhysiNode*)nodesListGetNode(pPhyNode->pChildren, 0);
SSDataBlock* pInputDataBlock = createResDataBlock(pChildNode->pOutputDataBlockDesc);
pOptr = createMultiwaySortMergeOperatorInfo(ops, size, pInputDataBlock, pResBlock, sortInfo, pColList, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_MERGE_SESSION == type) {
SSessionWinodwPhysiNode* pSessionNode = (SSessionWinodwPhysiNode*)pPhyNode;
STimeWindowAggSupp as = {.waterMark = pSessionNode->window.watermark,
.calTrigger = pSessionNode->window.triggerType};
SExprInfo* pExprInfo = createExprInfo(pSessionNode->window.pFuncs, NULL, &num);
SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
int32_t tsSlotId = ((SColumnNode*)pSessionNode->window.pTspk)->slotId;
pOptr =
createSessionAggOperatorInfo(ops[0], pExprInfo, num, pResBlock, pSessionNode->gap, tsSlotId, &as, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_STREAM_SESSION == type) {
SSessionWinodwPhysiNode* pSessionNode = (SSessionWinodwPhysiNode*)pPhyNode;
STimeWindowAggSupp as = {.waterMark = pSessionNode->window.watermark,
.calTrigger = pSessionNode->window.triggerType};
SExprInfo* pExprInfo = createExprInfo(pSessionNode->window.pFuncs, NULL, &num);
SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
int32_t tsSlotId = ((SColumnNode*)pSessionNode->window.pTspk)->slotId;
pOptr = createStreamSessionAggOperatorInfo(ops[0], pExprInfo, num, pResBlock, pSessionNode->gap, tsSlotId, &as,
pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_PARTITION == type) {
SPartitionPhysiNode* pPartNode = (SPartitionPhysiNode*)pPhyNode;
SArray* pColList = extractPartitionColInfo(pPartNode->pPartitionKeys);
SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
SExprInfo* pExprInfo = createExprInfo(pPartNode->pTargets, NULL, &num);
pOptr = createPartitionOperatorInfo(ops[0], pExprInfo, num, pResBlock, pColList, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_MERGE_STATE == type) {
SStateWinodwPhysiNode* pStateNode = (SStateWinodwPhysiNode*)pPhyNode;
STimeWindowAggSupp as = {.waterMark = pStateNode->window.watermark, .calTrigger = pStateNode->window.triggerType};
SExprInfo* pExprInfo = createExprInfo(pStateNode->window.pFuncs, NULL, &num);
SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
int32_t tsSlotId = ((SColumnNode*)pStateNode->window.pTspk)->slotId;
SColumnNode* pColNode = (SColumnNode*)((STargetNode*)pStateNode->pStateKey)->pExpr;
SColumn col = extractColumnFromColumnNode(pColNode);
pOptr = createStatewindowOperatorInfo(ops[0], pExprInfo, num, pResBlock, &as, tsSlotId, &col, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_STREAM_STATE == type) {
pOptr = createStreamStateAggOperatorInfo(ops[0], pPhyNode, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_MERGE_JOIN == type) {
SJoinPhysiNode* pJoinNode = (SJoinPhysiNode*)pPhyNode;
SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
SExprInfo* pExprInfo = createExprInfo(pJoinNode->pTargets, NULL, &num);
pOptr = createMergeJoinOperatorInfo(ops, size, pExprInfo, num, pResBlock, pJoinNode->pOnConditions, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_FILL == type) {
SFillPhysiNode* pFillNode = (SFillPhysiNode*)pPhyNode;
SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
SExprInfo* pExprInfo = createExprInfo(pFillNode->pTargets, NULL, &num);
SInterval* pInterval = &((SIntervalAggOperatorInfo*)ops[0]->info)->interval;
pOptr = createFillOperatorInfo(ops[0], pExprInfo, num, pInterval, &pFillNode->timeRange, pResBlock, pFillNode->mode,
(SNodeListNode*)pFillNode->pValues, false, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_INDEF_ROWS_FUNC == type) {
pOptr = createIndefinitOutputOperatorInfo(ops[0], pPhyNode, pTaskInfo);
} else {
ASSERT(0);
}
taosMemoryFree(ops);
return pOptr;
}
int32_t compareTimeWindow(const void* p1, const void* p2, const void* param) {
const SQueryTableDataCond* pCond = param;
const STimeWindow* pWin1 = p1;
const STimeWindow* pWin2 = p2;
if (pCond->order == TSDB_ORDER_ASC) {
return pWin1->skey - pWin2->skey;
} else if (pCond->order == TSDB_ORDER_DESC) {
return pWin2->skey - pWin1->skey;
}
return 0;
}
int32_t initQueryTableDataCond(SQueryTableDataCond* pCond, const STableScanPhysiNode* pTableScanNode) {
pCond->loadExternalRows = false;
pCond->order = pTableScanNode->scanSeq[0] > 0 ? TSDB_ORDER_ASC : TSDB_ORDER_DESC;
pCond->numOfCols = LIST_LENGTH(pTableScanNode->scan.pScanCols);
pCond->colList = taosMemoryCalloc(pCond->numOfCols, sizeof(SColumnInfo));
if (pCond->colList == NULL) {
terrno = TSDB_CODE_QRY_OUT_OF_MEMORY;
return terrno;
}
// pCond->twindow = pTableScanNode->scanRange;
// TODO: get it from stable scan node
pCond->numOfTWindows = 1;
pCond->twindows = taosMemoryCalloc(pCond->numOfTWindows, sizeof(STimeWindow));
pCond->twindows[0] = pTableScanNode->scanRange;
pCond->suid = pTableScanNode->scan.suid;
#if 1
// todo work around a problem, remove it later
for (int32_t i = 0; i < pCond->numOfTWindows; ++i) {
if ((pCond->order == TSDB_ORDER_ASC && pCond->twindows[i].skey > pCond->twindows[i].ekey) ||
(pCond->order == TSDB_ORDER_DESC && pCond->twindows[i].skey < pCond->twindows[i].ekey)) {
TSWAP(pCond->twindows[i].skey, pCond->twindows[i].ekey);
}
}
#endif
for (int32_t i = 0; i < pCond->numOfTWindows; ++i) {
if ((pCond->order == TSDB_ORDER_ASC && pCond->twindows[i].skey > pCond->twindows[i].ekey) ||
(pCond->order == TSDB_ORDER_DESC && pCond->twindows[i].skey < pCond->twindows[i].ekey)) {
TSWAP(pCond->twindows[i].skey, pCond->twindows[i].ekey);
}
}
taosqsort(pCond->twindows, pCond->numOfTWindows, sizeof(STimeWindow), pCond, compareTimeWindow);
pCond->type = BLOCK_LOAD_OFFSET_SEQ_ORDER;
// pCond->type = pTableScanNode->scanFlag;
int32_t j = 0;
for (int32_t i = 0; i < pCond->numOfCols; ++i) {
STargetNode* pNode = (STargetNode*)nodesListGetNode(pTableScanNode->scan.pScanCols, i);
SColumnNode* pColNode = (SColumnNode*)pNode->pExpr;
if (pColNode->colType == COLUMN_TYPE_TAG) {
continue;
}
pCond->colList[j].type = pColNode->node.resType.type;
pCond->colList[j].bytes = pColNode->node.resType.bytes;
pCond->colList[j].colId = pColNode->colId;
j += 1;
}
pCond->numOfCols = j;
return TSDB_CODE_SUCCESS;
}
void clearupQueryTableDataCond(SQueryTableDataCond* pCond) {
taosMemoryFree(pCond->twindows);
taosMemoryFree(pCond->colList);
}
SColumn extractColumnFromColumnNode(SColumnNode* pColNode) {
SColumn c = {0};
c.slotId = pColNode->slotId;
c.colId = pColNode->colId;
c.type = pColNode->node.resType.type;
c.bytes = pColNode->node.resType.bytes;
c.scale = pColNode->node.resType.scale;
c.precision = pColNode->node.resType.precision;
return c;
}
SArray* extractColumnInfo(SNodeList* pNodeList) {
size_t numOfCols = LIST_LENGTH(pNodeList);
SArray* pList = taosArrayInit(numOfCols, sizeof(SColumn));
if (pList == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
for (int32_t i = 0; i < numOfCols; ++i) {
STargetNode* pNode = (STargetNode*)nodesListGetNode(pNodeList, i);
if (nodeType(pNode->pExpr) == QUERY_NODE_COLUMN) {
SColumnNode* pColNode = (SColumnNode*)pNode->pExpr;
SColumn c = extractColumnFromColumnNode(pColNode);
taosArrayPush(pList, &c);
} else if (nodeType(pNode->pExpr) == QUERY_NODE_VALUE) {
SValueNode* pValNode = (SValueNode*)pNode->pExpr;
SColumn c = {0};
c.slotId = pNode->slotId;
c.colId = pNode->slotId;
c.type = pValNode->node.type;
c.bytes = pValNode->node.resType.bytes;
c.scale = pValNode->node.resType.scale;
c.precision = pValNode->node.resType.precision;
taosArrayPush(pList, &c);
}
}
return pList;
}
SArray* extractPartitionColInfo(SNodeList* pNodeList) {
if (!pNodeList) return NULL;
size_t numOfCols = LIST_LENGTH(pNodeList);
SArray* pList = taosArrayInit(numOfCols, sizeof(SColumn));
if (pList == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
for (int32_t i = 0; i < numOfCols; ++i) {
SColumnNode* pColNode = (SColumnNode*)nodesListGetNode(pNodeList, i);
// todo extract method
SColumn c = {0};
c.slotId = pColNode->slotId;
c.colId = pColNode->colId;
c.type = pColNode->node.resType.type;
c.bytes = pColNode->node.resType.bytes;
c.precision = pColNode->node.resType.precision;
c.scale = pColNode->node.resType.scale;
taosArrayPush(pList, &c);
}
return pList;
}
SArray* createSortInfo(SNodeList* pNodeList) {
size_t numOfCols = LIST_LENGTH(pNodeList);
SArray* pList = taosArrayInit(numOfCols, sizeof(SBlockOrderInfo));
if (pList == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return pList;
}
for (int32_t i = 0; i < numOfCols; ++i) {
SOrderByExprNode* pSortKey = (SOrderByExprNode*)nodesListGetNode(pNodeList, i);
SBlockOrderInfo bi = {0};
bi.order = (pSortKey->order == ORDER_ASC) ? TSDB_ORDER_ASC : TSDB_ORDER_DESC;
bi.nullFirst = (pSortKey->nullOrder == NULL_ORDER_FIRST);
SColumnNode* pColNode = (SColumnNode*)pSortKey->pExpr;
bi.slotId = pColNode->slotId;
taosArrayPush(pList, &bi);
}
return pList;
}
SArray* extractColMatchInfo(SNodeList* pNodeList, SDataBlockDescNode* pOutputNodeList, int32_t* numOfOutputCols,
SExecTaskInfo* pTaskInfo, int32_t type) {
size_t numOfCols = LIST_LENGTH(pNodeList);
SArray* pList = taosArrayInit(numOfCols, sizeof(SColMatchInfo));
if (pList == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
for (int32_t i = 0; i < numOfCols; ++i) {
STargetNode* pNode = (STargetNode*)nodesListGetNode(pNodeList, i);
SColumnNode* pColNode = (SColumnNode*)pNode->pExpr;
SColMatchInfo c = {0};
c.output = true;
c.colId = pColNode->colId;
c.srcSlotId = pColNode->slotId;
c.matchType = type;
c.targetSlotId = pNode->slotId;
taosArrayPush(pList, &c);
}
*numOfOutputCols = 0;
int32_t num = LIST_LENGTH(pOutputNodeList->pSlots);
for (int32_t i = 0; i < num; ++i) {
SSlotDescNode* pNode = (SSlotDescNode*)nodesListGetNode(pOutputNodeList->pSlots, i);
// todo: add reserve flag check
// it is a column reserved for the arithmetic expression calculation
if (pNode->slotId >= numOfCols) {
(*numOfOutputCols) += 1;
continue;
}
SColMatchInfo* info = taosArrayGet(pList, pNode->slotId);
if (pNode->output) {
(*numOfOutputCols) += 1;
} else {
info->output = false;
}
}
return pList;
}
int32_t getTableList(void* metaHandle, int32_t tableType, uint64_t tableUid, STableListInfo* pListInfo,
SNode* pTagCond) {
int32_t code = TSDB_CODE_SUCCESS;
pListInfo->pTableList = taosArrayInit(8, sizeof(STableKeyInfo));
if (tableType == TSDB_SUPER_TABLE) {
if (pTagCond) {
SIndexMetaArg metaArg = {
.metaEx = metaHandle, .idx = tsdbGetIdx(metaHandle), .ivtIdx = tsdbGetIvtIdx(metaHandle), .suid = tableUid};
SArray* res = taosArrayInit(8, sizeof(uint64_t));
code = doFilterTag(pTagCond, &metaArg, res);
if (code == TSDB_CODE_INDEX_REBUILDING) { // todo
// doFilter();
} else if (code != TSDB_CODE_SUCCESS) {
qError("failed to get tableIds, reason: %s, suid: %" PRIu64 "", tstrerror(code), tableUid);
taosArrayDestroy(res);
terrno = code;
return code;
} else {
qDebug("sucess to get tableIds, size: %d, suid: %" PRIu64 "", (int)taosArrayGetSize(res), tableUid);
}
for (int i = 0; i < taosArrayGetSize(res); i++) {
STableKeyInfo info = {.lastKey = TSKEY_INITIAL_VAL, .uid = *(uint64_t*)taosArrayGet(res, i)};
taosArrayPush(pListInfo->pTableList, &info);
}
taosArrayDestroy(res);
} else {
code = tsdbGetAllTableList(metaHandle, tableUid, pListInfo->pTableList);
}
} else { // Create one table group.
STableKeyInfo info = {.lastKey = 0, .uid = tableUid};
taosArrayPush(pListInfo->pTableList, &info);
}
return code;
}
STsdbReader doCreateDataReader(STableScanPhysiNode* pTableScanNode, SReadHandle* pHandle,
STableListInfo* pTableListInfo, uint64_t queryId, uint64_t taskId, SNode* pTagCond) {
int32_t code =
getTableList(pHandle->meta, pTableScanNode->scan.tableType, pTableScanNode->scan.uid, pTableListInfo, pTagCond);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
if (taosArrayGetSize(pTableListInfo->pTableList) == 0) {
code = 0;
qDebug("no table qualified for query, TID:0x%" PRIx64 ", QID:0x%" PRIx64, taskId, queryId);
goto _error;
}
SQueryTableDataCond cond = {0};
code = initQueryTableDataCond(&cond, pTableScanNode);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
STsdbReader* pReader = tsdbReaderOpen(pHandle->vnode, &cond, pTableListInfo, queryId, taskId);
clearupQueryTableDataCond(&cond);
return pReader;
_error:
terrno = code;
return NULL;
}
int32_t encodeOperator(SOperatorInfo* ops, char** result, int32_t* length) {
int32_t code = TDB_CODE_SUCCESS;
char* pCurrent = NULL;
int32_t currLength = 0;
if (ops->fpSet.encodeResultRow) {
if (result == NULL || length == NULL) {
return TSDB_CODE_TSC_INVALID_INPUT;
}
code = ops->fpSet.encodeResultRow(ops, &pCurrent, &currLength);
if (code != TDB_CODE_SUCCESS) {
if (*result != NULL) {
taosMemoryFree(*result);
*result = NULL;
}
return code;
}
if (*result == NULL) {
*result = (char*)taosMemoryCalloc(1, currLength + sizeof(int32_t));
if (*result == NULL) {
taosMemoryFree(pCurrent);
return TSDB_CODE_OUT_OF_MEMORY;
}
memcpy(*result + sizeof(int32_t), pCurrent, currLength);
*(int32_t*)(*result) = currLength + sizeof(int32_t);
} else {
int32_t sizePre = *(int32_t*)(*result);
char* tmp = (char*)taosMemoryRealloc(*result, sizePre + currLength);
if (tmp == NULL) {
taosMemoryFree(pCurrent);
taosMemoryFree(*result);
*result = NULL;
return TSDB_CODE_OUT_OF_MEMORY;
}
*result = tmp;
memcpy(*result + sizePre, pCurrent, currLength);
*(int32_t*)(*result) += currLength;
}
taosMemoryFree(pCurrent);
*length = *(int32_t*)(*result);
}
for (int32_t i = 0; i < ops->numOfDownstream; ++i) {
code = encodeOperator(ops->pDownstream[i], result, length);
if (code != TDB_CODE_SUCCESS) {
return code;
}
}
return TDB_CODE_SUCCESS;
}
int32_t decodeOperator(SOperatorInfo* ops, char* result, int32_t length) {
int32_t code = TDB_CODE_SUCCESS;
if (ops->fpSet.decodeResultRow) {
if (result == NULL) {
return TSDB_CODE_TSC_INVALID_INPUT;
}
ASSERT(length == *(int32_t*)result);
char* data = result + sizeof(int32_t);
code = ops->fpSet.decodeResultRow(ops, data);
if (code != TDB_CODE_SUCCESS) {
return code;
}
int32_t totalLength = *(int32_t*)result;
int32_t dataLength = *(int32_t*)data;
if (totalLength == dataLength + sizeof(int32_t)) { // the last data
result = NULL;
length = 0;
} else {
result += dataLength;
*(int32_t*)(result) = totalLength - dataLength;
length = totalLength - dataLength;
}
}
for (int32_t i = 0; i < ops->numOfDownstream; ++i) {
code = decodeOperator(ops->pDownstream[i], result, length);
if (code != TDB_CODE_SUCCESS) {
return code;
}
}
return TDB_CODE_SUCCESS;
}
int32_t createDataSinkParam(SDataSinkNode* pNode, void** pParam, qTaskInfo_t* pTaskInfo) {
SExecTaskInfo* pTask = *(SExecTaskInfo**)pTaskInfo;
switch (pNode->type) {
case QUERY_NODE_PHYSICAL_PLAN_DELETE: {
SDeleterParam* pDeleterParam = taosMemoryCalloc(1, sizeof(SDeleterParam));
if (NULL == pDeleterParam) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t tbNum = taosArrayGetSize(pTask->tableqinfoList.pTableList);
pDeleterParam->pUidList = taosArrayInit(tbNum, sizeof(uint64_t));
if (NULL == pDeleterParam->pUidList) {
taosMemoryFree(pDeleterParam);
return TSDB_CODE_OUT_OF_MEMORY;
}
for (int32_t i = 0; i < tbNum; ++i) {
STableKeyInfo* pTable = taosArrayGet(pTask->tableqinfoList.pTableList, i);
taosArrayPush(pDeleterParam->pUidList, &pTable->uid);
}
*pParam = pDeleterParam;
break;
}
default:
break;
}
return TSDB_CODE_SUCCESS;
}
int32_t createExecTaskInfoImpl(SSubplan* pPlan, SExecTaskInfo** pTaskInfo, SReadHandle* pHandle, uint64_t taskId,
EOPTR_EXEC_MODEL model) {
uint64_t queryId = pPlan->id.queryId;
int32_t code = TSDB_CODE_SUCCESS;
*pTaskInfo = createExecTaskInfo(queryId, taskId, model, pPlan->dbFName);
if (*pTaskInfo == NULL) {
code = TSDB_CODE_QRY_OUT_OF_MEMORY;
goto _complete;
}
(*pTaskInfo)->pRoot = createOperatorTree(pPlan->pNode, *pTaskInfo, pHandle, queryId, taskId,
&(*pTaskInfo)->tableqinfoList, pPlan->pTagCond);
if (NULL == (*pTaskInfo)->pRoot) {
code = (*pTaskInfo)->code;
goto _complete;
}
if ((*pTaskInfo)->pRoot == NULL) {
code = TSDB_CODE_QRY_OUT_OF_MEMORY;
goto _complete;
}
return code;
_complete:
taosMemoryFreeClear(*pTaskInfo);
terrno = code;
return code;
}
static void doDestroyTableList(STableListInfo* pTableqinfoList) {
taosArrayDestroy(pTableqinfoList->pTableList);
taosHashCleanup(pTableqinfoList->map);
pTableqinfoList->pTableList = NULL;
pTableqinfoList->map = NULL;
}
void doDestroyTask(SExecTaskInfo* pTaskInfo) {
qDebug("%s execTask is freed", GET_TASKID(pTaskInfo));
doDestroyTableList(&pTaskInfo->tableqinfoList);
destroyOperatorInfo(pTaskInfo->pRoot);
// taosArrayDestroy(pTaskInfo->summary.queryProfEvents);
// taosHashCleanup(pTaskInfo->summary.operatorProfResults);
taosMemoryFree(pTaskInfo->schemaVer.dbname);
taosMemoryFree(pTaskInfo->schemaVer.tablename);
taosMemoryFreeClear(pTaskInfo->sql);
taosMemoryFreeClear(pTaskInfo->id.str);
taosMemoryFreeClear(pTaskInfo);
}
static void doSetTagValueToResultBuf(char* output, const char* val, int16_t type, int16_t bytes) {
if (val == NULL) {
setNull(output, type, bytes);
return;
}
if (IS_VAR_DATA_TYPE(type)) {
// Binary data overflows for sort of unknown reasons. Let trim the overflow data
if (varDataTLen(val) > bytes) {
int32_t maxLen = bytes - VARSTR_HEADER_SIZE;
int32_t len = (varDataLen(val) > maxLen) ? maxLen : varDataLen(val);
memcpy(varDataVal(output), varDataVal(val), len);
varDataSetLen(output, len);
} else {
varDataCopy(output, val);
}
} else {
memcpy(output, val, bytes);
}
}
static int64_t getQuerySupportBufSize(size_t numOfTables) {
size_t s1 = sizeof(STableQueryInfo);
// size_t s3 = sizeof(STableCheckInfo); buffer consumption in tsdb
return (int64_t)(s1 * 1.5 * numOfTables);
}
int32_t checkForQueryBuf(size_t numOfTables) {
int64_t t = getQuerySupportBufSize(numOfTables);
if (tsQueryBufferSizeBytes < 0) {
return TSDB_CODE_SUCCESS;
} else if (tsQueryBufferSizeBytes > 0) {
while (1) {
int64_t s = tsQueryBufferSizeBytes;
int64_t remain = s - t;
if (remain >= 0) {
if (atomic_val_compare_exchange_64(&tsQueryBufferSizeBytes, s, remain) == s) {
return TSDB_CODE_SUCCESS;
}
} else {
return TSDB_CODE_QRY_NOT_ENOUGH_BUFFER;
}
}
}
// disable query processing if the value of tsQueryBufferSize is zero.
return TSDB_CODE_QRY_NOT_ENOUGH_BUFFER;
}
void releaseQueryBuf(size_t numOfTables) {
if (tsQueryBufferSizeBytes < 0) {
return;
}
int64_t t = getQuerySupportBufSize(numOfTables);
// restore value is not enough buffer available
atomic_add_fetch_64(&tsQueryBufferSizeBytes, t);
}
int32_t getOperatorExplainExecInfo(SOperatorInfo* operatorInfo, SExplainExecInfo** pRes, int32_t* capacity,
int32_t* resNum) {
if (*resNum >= *capacity) {
*capacity += 10;
*pRes = taosMemoryRealloc(*pRes, (*capacity) * sizeof(SExplainExecInfo));
if (NULL == *pRes) {
qError("malloc %d failed", (*capacity) * (int32_t)sizeof(SExplainExecInfo));
return TSDB_CODE_QRY_OUT_OF_MEMORY;
}
}
SExplainExecInfo* pInfo = &(*pRes)[*resNum];
pInfo->numOfRows = operatorInfo->resultInfo.totalRows;
pInfo->startupCost = operatorInfo->cost.openCost;
pInfo->totalCost = operatorInfo->cost.totalCost;
if (operatorInfo->fpSet.getExplainFn) {
int32_t code = operatorInfo->fpSet.getExplainFn(operatorInfo, &pInfo->verboseInfo, &pInfo->verboseLen);
if (code) {
qError("%s operator getExplainFn failed, code:%s", GET_TASKID(operatorInfo->pTaskInfo), tstrerror(code));
return code;
}
} else {
pInfo->verboseLen = 0;
pInfo->verboseInfo = NULL;
}
++(*resNum);
int32_t code = 0;
for (int32_t i = 0; i < operatorInfo->numOfDownstream; ++i) {
code = getOperatorExplainExecInfo(operatorInfo->pDownstream[i], pRes, capacity, resNum);
if (code) {
taosMemoryFreeClear(*pRes);
return TSDB_CODE_QRY_OUT_OF_MEMORY;
}
}
return TSDB_CODE_SUCCESS;
}
int32_t initStreamAggSupporter(SStreamAggSupporter* pSup, const char* pKey, SqlFunctionCtx* pCtx, int32_t numOfOutput,
int32_t size) {
pSup->resultRowSize = getResultRowSize(pCtx, numOfOutput);
pSup->keySize = sizeof(int64_t) + sizeof(TSKEY);
pSup->pKeyBuf = taosMemoryCalloc(1, pSup->keySize);
_hash_fn_t hashFn = taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY);
pSup->pResultRows = taosHashInit(1024, hashFn, false, HASH_NO_LOCK);
if (pSup->pKeyBuf == NULL || pSup->pResultRows == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pSup->valueSize = size;
pSup->pScanWindow = taosArrayInit(4, sizeof(STimeWindow));
int32_t pageSize = 4096;
while (pageSize < pSup->resultRowSize * 4) {
pageSize <<= 1u;
}
// at least four pages need to be in buffer
int32_t bufSize = 4096 * 256;
if (bufSize <= pageSize) {
bufSize = pageSize * 4;
}
int32_t code = createDiskbasedBuf(&pSup->pResultBuf, pageSize, bufSize, pKey, TD_TMP_DIR_PATH);
for (int32_t i = 0; i < numOfOutput; ++i) {
pCtx[i].pBuf = pSup->pResultBuf;
}
return code;
}