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

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/*
* 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 "executorimpl.h"
#include "function.h"
#include "functionMgt.h"
#include "os.h"
#include "querynodes.h"
#include "systable.h"
#include "tname.h"
#include "ttime.h"
#include "tdatablock.h"
#include "tmsg.h"
#include "executorimpl.h"
#include "query.h"
#include "tcompare.h"
#include "thash.h"
#include "ttypes.h"
#include "vnode.h"
#define SET_REVERSE_SCAN_FLAG(_info) ((_info)->scanFlag = REVERSE_SCAN)
#define SWITCH_ORDER(n) (((n) = ((n) == TSDB_ORDER_ASC) ? TSDB_ORDER_DESC : TSDB_ORDER_ASC))
static int32_t buildSysDbTableInfo(const SSysTableScanInfo* pInfo, int32_t capacity);
static int32_t buildDbTableInfoBlock(const SSDataBlock* p, const SSysTableMeta* pSysDbTableMeta, size_t size,
const char* dbName);
static bool processBlockWithProbability(const SSampleExecInfo* pInfo);
bool processBlockWithProbability(const SSampleExecInfo* pInfo) {
#if 0
if (pInfo->sampleRatio == 1) {
return true;
}
uint32_t val = taosRandR((uint32_t*) &pInfo->seed);
return (val % ((uint32_t)(1/pInfo->sampleRatio))) == 0;
#else
return true;
#endif
}
static void switchCtxOrder(SqlFunctionCtx* pCtx, int32_t numOfOutput) {
for (int32_t i = 0; i < numOfOutput; ++i) {
SWITCH_ORDER(pCtx[i].order);
}
}
static void setupQueryRangeForReverseScan(STableScanInfo* pTableScanInfo) {
#if 0
int32_t numOfGroups = (int32_t)(GET_NUM_OF_TABLEGROUP(pRuntimeEnv));
for(int32_t i = 0; i < numOfGroups; ++i) {
SArray *group = GET_TABLEGROUP(pRuntimeEnv, i);
SArray *tableKeyGroup = taosArrayGetP(pQueryAttr->tableGroupInfo.pGroupList, i);
size_t t = taosArrayGetSize(group);
for (int32_t j = 0; j < t; ++j) {
STableQueryInfo *pCheckInfo = taosArrayGetP(group, j);
updateTableQueryInfoForReverseScan(pCheckInfo);
// update the last key in tableKeyInfo list, the tableKeyInfo is used to build the tsdbQueryHandle and decide
// the start check timestamp of tsdbQueryHandle
// STableKeyInfo *pTableKeyInfo = taosArrayGet(tableKeyGroup, j);
// pTableKeyInfo->lastKey = pCheckInfo->lastKey;
//
// assert(pCheckInfo->pTable == pTableKeyInfo->pTable);
}
}
#endif
}
static void getNextTimeWindow(SInterval* pInterval, STimeWindow* tw, int32_t order) {
int32_t factor = GET_FORWARD_DIRECTION_FACTOR(order);
if (pInterval->intervalUnit != 'n' && pInterval->intervalUnit != 'y') {
tw->skey += pInterval->sliding * factor;
tw->ekey = tw->skey + pInterval->interval - 1;
return;
}
int64_t key = tw->skey, interval = pInterval->interval;
// convert key to second
key = convertTimePrecision(key, pInterval->precision, TSDB_TIME_PRECISION_MILLI) / 1000;
if (pInterval->intervalUnit == 'y') {
interval *= 12;
}
struct tm tm;
time_t t = (time_t)key;
taosLocalTime(&t, &tm);
int mon = (int)(tm.tm_year * 12 + tm.tm_mon + interval * factor);
tm.tm_year = mon / 12;
tm.tm_mon = mon % 12;
tw->skey = convertTimePrecision((int64_t)taosMktime(&tm) * 1000LL, TSDB_TIME_PRECISION_MILLI, pInterval->precision);
mon = (int)(mon + interval);
tm.tm_year = mon / 12;
tm.tm_mon = mon % 12;
tw->ekey = convertTimePrecision((int64_t)taosMktime(&tm) * 1000LL, TSDB_TIME_PRECISION_MILLI, pInterval->precision);
tw->ekey -= 1;
}
static bool overlapWithTimeWindow(SInterval* pInterval, SDataBlockInfo* pBlockInfo, int32_t order) {
STimeWindow w = {0};
// 0 by default, which means it is not a interval operator of the upstream operator.
if (pInterval->interval == 0) {
return false;
}
if (order == TSDB_ORDER_ASC) {
getAlignQueryTimeWindow(pInterval, pInterval->precision, pBlockInfo->window.skey, &w);
assert(w.ekey >= pBlockInfo->window.skey);
if (w.ekey < pBlockInfo->window.ekey) {
return true;
}
while (1) {
getNextTimeWindow(pInterval, &w, order);
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(pInterval, pInterval->precision, pBlockInfo->window.ekey, &w);
assert(w.skey <= pBlockInfo->window.ekey);
if (w.skey > pBlockInfo->window.skey) {
return true;
}
while (1) {
getNextTimeWindow(pInterval, &w, order);
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;
}
static int32_t loadDataBlock(SOperatorInfo* pOperator, STableScanInfo* pTableScanInfo, SSDataBlock* pBlock,
uint32_t* status) {
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
STableScanInfo* pInfo = pOperator->info;
SFileBlockLoadRecorder* pCost = &pTableScanInfo->readRecorder;
pCost->totalBlocks += 1;
pCost->totalRows += pBlock->info.rows;
*status = pInfo->dataBlockLoadFlag;
if (pTableScanInfo->pFilterNode != NULL ||
overlapWithTimeWindow(&pTableScanInfo->interval, &pBlock->info, pTableScanInfo->cond.order)) {
(*status) = FUNC_DATA_REQUIRED_DATA_LOAD;
}
SDataBlockInfo* pBlockInfo = &pBlock->info;
taosMemoryFreeClear(pBlock->pBlockAgg);
if (*status == FUNC_DATA_REQUIRED_FILTEROUT) {
qDebug("%s data block filter out, brange:%" PRId64 "-%" PRId64 ", rows:%d", GET_TASKID(pTaskInfo),
pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
pCost->filterOutBlocks += 1;
return TSDB_CODE_SUCCESS;
} else if (*status == FUNC_DATA_REQUIRED_NOT_LOAD) {
qDebug("%s data block skipped, brange:%" PRId64 "-%" PRId64 ", rows:%d", GET_TASKID(pTaskInfo),
pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
pCost->skipBlocks += 1;
return TSDB_CODE_SUCCESS;
} else if (*status == FUNC_DATA_REQUIRED_STATIS_LOAD) {
pCost->loadBlockStatis += 1;
bool allColumnsHaveAgg = true;
SColumnDataAgg** pColAgg = NULL;
int32_t code = tsdbRetrieveDatablockSMA(pTableScanInfo->dataReader, &pColAgg, &allColumnsHaveAgg);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
if (allColumnsHaveAgg == true) {
int32_t numOfCols = taosArrayGetSize(pBlock->pDataBlock);
// todo create this buffer during creating operator
if (pBlock->pBlockAgg == NULL) {
pBlock->pBlockAgg = taosMemoryCalloc(numOfCols, POINTER_BYTES);
}
for (int32_t i = 0; i < taosArrayGetSize(pTableScanInfo->pColMatchInfo); ++i) {
SColMatchInfo* pColMatchInfo = taosArrayGet(pTableScanInfo->pColMatchInfo, i);
if (!pColMatchInfo->output) {
continue;
}
pBlock->pBlockAgg[pColMatchInfo->targetSlotId] = pColAgg[i];
}
return TSDB_CODE_SUCCESS;
} else { // failed to load the block sma data, data block statistics does not exist, load data block instead
*status = FUNC_DATA_REQUIRED_DATA_LOAD;
}
}
ASSERT(*status == FUNC_DATA_REQUIRED_DATA_LOAD);
// todo filter data block according to the block sma data firstly
#if 0
if (!doFilterByBlockStatistics(pBlock->pBlockStatis, pTableScanInfo->pCtx, pBlockInfo->rows)) {
pCost->filterOutBlocks += 1;
qDebug("%s data block filter out, brange:%" PRId64 "-%" PRId64 ", rows:%d", GET_TASKID(pTaskInfo), pBlockInfo->window.skey,
pBlockInfo->window.ekey, pBlockInfo->rows);
(*status) = FUNC_DATA_REQUIRED_FILTEROUT;
return TSDB_CODE_SUCCESS;
}
#endif
pCost->totalCheckedRows += pBlock->info.rows;
pCost->loadBlocks += 1;
SArray* pCols = tsdbRetrieveDataBlock(pTableScanInfo->dataReader, NULL);
if (pCols == NULL) {
return terrno;
}
relocateColumnData(pBlock, pTableScanInfo->pColMatchInfo, pCols, true);
// currently only the tbname pseudo column
if (pTableScanInfo->pseudoSup.numOfExprs > 0) {
SExprSupp* pSup = &pTableScanInfo->pseudoSup;
int32_t code = addTagPseudoColumnData(&pTableScanInfo->readHandle, pSup->pExprInfo, pSup->numOfExprs, pBlock,
GET_TASKID(pTaskInfo));
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
}
int64_t st = taosGetTimestampMs();
doFilter(pTableScanInfo->pFilterNode, pBlock);
int64_t et = taosGetTimestampMs();
pTableScanInfo->readRecorder.filterTime += (et - st);
if (pBlock->info.rows == 0) {
pCost->filterOutBlocks += 1;
qDebug("%s data block filter out, brange:%" PRId64 "-%" PRId64 ", rows:%d", GET_TASKID(pTaskInfo),
pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
}
return TSDB_CODE_SUCCESS;
}
static void prepareForDescendingScan(STableScanInfo* pTableScanInfo, SqlFunctionCtx* pCtx, int32_t numOfOutput) {
SET_REVERSE_SCAN_FLAG(pTableScanInfo);
switchCtxOrder(pCtx, numOfOutput);
// setupQueryRangeForReverseScan(pTableScanInfo);
pTableScanInfo->cond.order = TSDB_ORDER_DESC;
STimeWindow* pTWindow = &pTableScanInfo->cond.twindows;
TSWAP(pTWindow->skey, pTWindow->ekey);
}
int32_t addTagPseudoColumnData(SReadHandle* pHandle, SExprInfo* pPseudoExpr, int32_t numOfPseudoExpr,
SSDataBlock* pBlock, const char* idStr) {
// currently only the tbname pseudo column
if (numOfPseudoExpr == 0) {
return TSDB_CODE_SUCCESS;
}
SMetaReader mr = {0};
metaReaderInit(&mr, pHandle->meta, 0);
int32_t code = metaGetTableEntryByUid(&mr, pBlock->info.uid);
if (code != TSDB_CODE_SUCCESS) {
qError("failed to get table meta, uid:0x%" PRIx64 ", code:%s, %s", pBlock->info.uid, tstrerror(terrno), idStr);
metaReaderClear(&mr);
return terrno;
}
for (int32_t j = 0; j < numOfPseudoExpr; ++j) {
SExprInfo* pExpr = &pPseudoExpr[j];
int32_t dstSlotId = pExpr->base.resSchema.slotId;
SColumnInfoData* pColInfoData = taosArrayGet(pBlock->pDataBlock, dstSlotId);
colInfoDataCleanup(pColInfoData, pBlock->info.rows);
int32_t functionId = pExpr->pExpr->_function.functionId;
// this is to handle the tbname
if (fmIsScanPseudoColumnFunc(functionId)) {
setTbNameColData(pHandle->meta, pBlock, pColInfoData, functionId);
} else { // these are tags
STagVal tagVal = {0};
tagVal.cid = pExpr->base.pParam[0].pCol->colId;
const char* p = metaGetTableTagVal(&mr.me, pColInfoData->info.type, &tagVal);
char* data = NULL;
if (pColInfoData->info.type != TSDB_DATA_TYPE_JSON && p != NULL) {
data = tTagValToData((const STagVal*)p, false);
} else {
data = (char*)p;
}
for (int32_t i = 0; i < pBlock->info.rows; ++i) {
colDataAppend(pColInfoData, i, data,
(data == NULL) || (pColInfoData->info.type == TSDB_DATA_TYPE_JSON && tTagIsJsonNull(data)));
}
if (data && (pColInfoData->info.type != TSDB_DATA_TYPE_JSON) && p != NULL &&
IS_VAR_DATA_TYPE(((const STagVal*)p)->type)) {
taosMemoryFree(data);
}
}
}
metaReaderClear(&mr);
return TSDB_CODE_SUCCESS;
}
void setTbNameColData(void* pMeta, const SSDataBlock* pBlock, SColumnInfoData* pColInfoData, int32_t functionId) {
struct SScalarFuncExecFuncs fpSet = {0};
fmGetScalarFuncExecFuncs(functionId, &fpSet);
SColumnInfoData infoData = createColumnInfoData(TSDB_DATA_TYPE_BIGINT, sizeof(uint64_t), 1);
colInfoDataEnsureCapacity(&infoData, 1);
colDataAppendInt64(&infoData, 0, (int64_t*)&pBlock->info.uid);
SScalarParam srcParam = {.numOfRows = pBlock->info.rows, .param = pMeta, .columnData = &infoData};
SScalarParam param = {.columnData = pColInfoData};
fpSet.process(&srcParam, 1, &param);
}
static SSDataBlock* doTableScanImpl(SOperatorInfo* pOperator) {
STableScanInfo* pTableScanInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SSDataBlock* pBlock = pTableScanInfo->pResBlock;
int64_t st = taosGetTimestampUs();
while (tsdbNextDataBlock(pTableScanInfo->dataReader)) {
if (isTaskKilled(pTaskInfo)) {
longjmp(pTaskInfo->env, TSDB_CODE_TSC_QUERY_CANCELLED);
}
// process this data block based on the probabilities
bool processThisBlock = processBlockWithProbability(&pTableScanInfo->sample);
if (!processThisBlock) {
continue;
}
blockDataCleanup(pBlock);
SDataBlockInfo binfo = pBlock->info;
tsdbRetrieveDataBlockInfo(pTableScanInfo->dataReader, &binfo);
binfo.capacity = binfo.rows;
blockDataEnsureCapacity(pBlock, binfo.rows);
pBlock->info = binfo;
ASSERT(binfo.uid != 0);
uint32_t status = 0;
int32_t code = loadDataBlock(pOperator, pTableScanInfo, pBlock, &status);
// int32_t code = loadDataBlockOnDemand(pOperator->pRuntimeEnv, pTableScanInfo, pBlock, &status);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pOperator->pTaskInfo->env, code);
}
// current block is filter out according to filter condition, continue load the next block
if (status == FUNC_DATA_REQUIRED_FILTEROUT || pBlock->info.rows == 0) {
continue;
}
uint64_t* groupId = taosHashGet(pTaskInfo->tableqinfoList.map, &pBlock->info.uid, sizeof(int64_t));
if (groupId) {
pBlock->info.groupId = *groupId;
}
pOperator->resultInfo.totalRows = pTableScanInfo->readRecorder.totalRows;
pTableScanInfo->readRecorder.elapsedTime += (taosGetTimestampUs() - st) / 1000.0;
pOperator->cost.totalCost = pTableScanInfo->readRecorder.elapsedTime;
// todo refactor
/*pTableScanInfo->lastStatus.uid = pBlock->info.uid;*/
/*pTableScanInfo->lastStatus.ts = pBlock->info.window.ekey;*/
pTaskInfo->streamInfo.lastStatus.type = TMQ_OFFSET__SNAPSHOT_DATA;
pTaskInfo->streamInfo.lastStatus.uid = pBlock->info.uid;
pTaskInfo->streamInfo.lastStatus.ts = pBlock->info.window.ekey;
ASSERT(pBlock->info.uid != 0);
return pBlock;
}
return NULL;
}
static SSDataBlock* doTableScanGroup(SOperatorInfo* pOperator) {
STableScanInfo* pTableScanInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
// The read handle is not initialized yet, since no qualified tables exists
if (pTableScanInfo->dataReader == NULL || pOperator->status == OP_EXEC_DONE) {
return NULL;
}
// do the ascending order traverse in the first place.
while (pTableScanInfo->scanTimes < pTableScanInfo->scanInfo.numOfAsc) {
SSDataBlock* p = doTableScanImpl(pOperator);
if (p != NULL) {
ASSERT(p->info.uid != 0);
return p;
}
pTableScanInfo->scanTimes += 1;
if (pTableScanInfo->scanTimes < pTableScanInfo->scanInfo.numOfAsc) {
setTaskStatus(pTaskInfo, TASK_NOT_COMPLETED);
pTableScanInfo->scanFlag = REPEAT_SCAN;
qDebug("%s start to repeat ascending order scan data blocks due to query func required", GET_TASKID(pTaskInfo));
// do prepare for the next round table scan operation
tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond);
}
}
int32_t total = pTableScanInfo->scanInfo.numOfAsc + pTableScanInfo->scanInfo.numOfDesc;
if (pTableScanInfo->scanTimes < total) {
if (pTableScanInfo->cond.order == TSDB_ORDER_ASC) {
prepareForDescendingScan(pTableScanInfo, pOperator->exprSupp.pCtx, 0);
tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond);
}
qDebug("%s start to descending order scan data blocks due to query func required", GET_TASKID(pTaskInfo));
while (pTableScanInfo->scanTimes < total) {
SSDataBlock* p = doTableScanImpl(pOperator);
if (p != NULL) {
return p;
}
pTableScanInfo->scanTimes += 1;
if (pTableScanInfo->scanTimes < total) {
setTaskStatus(pTaskInfo, TASK_NOT_COMPLETED);
pTableScanInfo->scanFlag = REPEAT_SCAN;
qDebug("%s start to repeat descending order scan data blocks due to query func required",
GET_TASKID(pTaskInfo));
tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond);
}
}
}
return NULL;
}
static SSDataBlock* doTableScan(SOperatorInfo* pOperator) {
STableScanInfo* pInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
// if scan table by table
if (pInfo->scanMode == TABLE_SCAN__TABLE_ORDER) {
if (pInfo->noTable) return NULL;
while (1) {
SSDataBlock* result = doTableScanGroup(pOperator);
if (result) {
return result;
}
// if no data, switch to next table and continue scan
pInfo->currentTable++;
if (pInfo->currentTable >= taosArrayGetSize(pTaskInfo->tableqinfoList.pTableList)) {
return NULL;
}
STableKeyInfo* pTableInfo = taosArrayGet(pTaskInfo->tableqinfoList.pTableList, pInfo->currentTable);
tsdbSetTableId(pInfo->dataReader, pTableInfo->uid);
tsdbReaderReset(pInfo->dataReader, &pInfo->cond);
pInfo->scanTimes = 0;
}
}
if (pInfo->currentGroupId == -1) {
pInfo->currentGroupId++;
if (pInfo->currentGroupId >= taosArrayGetSize(pTaskInfo->tableqinfoList.pGroupList)) {
setTaskStatus(pTaskInfo, TASK_COMPLETED);
return NULL;
}
SArray* tableList = taosArrayGetP(pTaskInfo->tableqinfoList.pGroupList, pInfo->currentGroupId);
tsdbReaderClose(pInfo->dataReader);
int32_t code = tsdbReaderOpen(pInfo->readHandle.vnode, &pInfo->cond, tableList, (STsdbReader**)&pInfo->dataReader,
GET_TASKID(pTaskInfo));
if (code != 0) {
// TODO
}
}
SSDataBlock* result = doTableScanGroup(pOperator);
if (result) {
return result;
}
pInfo->currentGroupId++;
if (pInfo->currentGroupId >= taosArrayGetSize(pTaskInfo->tableqinfoList.pGroupList)) {
setTaskStatus(pTaskInfo, TASK_COMPLETED);
return NULL;
}
SArray* tableList = taosArrayGetP(pTaskInfo->tableqinfoList.pGroupList, pInfo->currentGroupId);
// tsdbSetTableList(pInfo->dataReader, tableList);
tsdbReaderReset(pInfo->dataReader, &pInfo->cond);
pInfo->scanTimes = 0;
result = doTableScanGroup(pOperator);
if (result) {
return result;
}
setTaskStatus(pTaskInfo, TASK_COMPLETED);
return NULL;
}
static int32_t getTableScannerExecInfo(struct SOperatorInfo* pOptr, void** pOptrExplain, uint32_t* len) {
SFileBlockLoadRecorder* pRecorder = taosMemoryCalloc(1, sizeof(SFileBlockLoadRecorder));
STableScanInfo* pTableScanInfo = pOptr->info;
*pRecorder = pTableScanInfo->readRecorder;
*pOptrExplain = pRecorder;
*len = sizeof(SFileBlockLoadRecorder);
return 0;
}
static void destroyTableScanOperatorInfo(void* param, int32_t numOfOutput) {
STableScanInfo* pTableScanInfo = (STableScanInfo*)param;
blockDataDestroy(pTableScanInfo->pResBlock);
cleanupQueryTableDataCond(&pTableScanInfo->cond);
tsdbReaderClose(pTableScanInfo->dataReader);
if (pTableScanInfo->pColMatchInfo != NULL) {
taosArrayDestroy(pTableScanInfo->pColMatchInfo);
}
cleanupExprSupp(&pTableScanInfo->pseudoSup);
taosMemoryFreeClear(param);
}
SOperatorInfo* createTableScanOperatorInfo(STableScanPhysiNode* pTableScanNode, SReadHandle* readHandle,
SExecTaskInfo* pTaskInfo) {
STableScanInfo* pInfo = taosMemoryCalloc(1, sizeof(STableScanInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
goto _error;
}
SDataBlockDescNode* pDescNode = pTableScanNode->scan.node.pOutputDataBlockDesc;
int32_t numOfCols = 0;
SArray* pColList = extractColMatchInfo(pTableScanNode->scan.pScanCols, pDescNode, &numOfCols, COL_MATCH_FROM_COL_ID);
int32_t code = initQueryTableDataCond(&pInfo->cond, pTableScanNode);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
if (pTableScanNode->scan.pScanPseudoCols != NULL) {
SExprSupp* pSup = &pInfo->pseudoSup;
pSup->pExprInfo = createExprInfo(pTableScanNode->scan.pScanPseudoCols, NULL, &pSup->numOfExprs);
pSup->pCtx = createSqlFunctionCtx(pSup->pExprInfo, pSup->numOfExprs, &pSup->rowEntryInfoOffset);
}
pInfo->scanInfo = (SScanInfo){.numOfAsc = pTableScanNode->scanSeq[0], .numOfDesc = pTableScanNode->scanSeq[1]};
// pInfo->scanInfo = (SScanInfo){.numOfAsc = 0, .numOfDesc = 1}; // for debug purpose
pInfo->readHandle = *readHandle;
pInfo->interval = extractIntervalInfo(pTableScanNode);
pInfo->sample.sampleRatio = pTableScanNode->ratio;
pInfo->sample.seed = taosGetTimestampSec();
pInfo->dataBlockLoadFlag = pTableScanNode->dataRequired;
pInfo->pResBlock = createResDataBlock(pDescNode);
pInfo->pFilterNode = pTableScanNode->scan.node.pConditions;
pInfo->scanFlag = MAIN_SCAN;
pInfo->pColMatchInfo = pColList;
pInfo->currentGroupId = -1;
pOperator->name = "TableScanOperator"; // for debug purpose
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->exprSupp.numOfExprs = numOfCols;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doTableScan, NULL, NULL, destroyTableScanOperatorInfo,
NULL, NULL, getTableScannerExecInfo);
// for non-blocking operator, the open cost is always 0
pOperator->cost.openCost = 0;
return pOperator;
_error:
taosMemoryFreeClear(pInfo);
taosMemoryFreeClear(pOperator);
pTaskInfo->code = TSDB_CODE_QRY_OUT_OF_MEMORY;
return NULL;
}
SOperatorInfo* createTableSeqScanOperatorInfo(void* pReadHandle, SExecTaskInfo* pTaskInfo) {
STableScanInfo* pInfo = taosMemoryCalloc(1, sizeof(STableScanInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
pInfo->dataReader = pReadHandle;
// pInfo->prevGroupId = -1;
pOperator->name = "TableSeqScanOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_TABLE_SEQ_SCAN;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doTableScanImpl, NULL, NULL, NULL, NULL, NULL, NULL);
return pOperator;
}
static int32_t doGetTableRowSize(void* pMeta, uint64_t uid, int32_t* rowLen, const char* idstr) {
*rowLen = 0;
SMetaReader mr = {0};
metaReaderInit(&mr, pMeta, 0);
int32_t code = metaGetTableEntryByUid(&mr, uid);
if (code != TSDB_CODE_SUCCESS) {
qError("failed to get table meta, uid:0x%" PRIx64 ", code:%s, %s", uid, tstrerror(terrno), idstr);
metaReaderClear(&mr);
return terrno;
}
if (mr.me.type == TSDB_SUPER_TABLE) {
int32_t numOfCols = mr.me.stbEntry.schemaRow.nCols;
for (int32_t i = 0; i < numOfCols; ++i) {
(*rowLen) += mr.me.stbEntry.schemaRow.pSchema[i].bytes;
}
} else if (mr.me.type == TSDB_CHILD_TABLE) {
uint64_t suid = mr.me.ctbEntry.suid;
code = metaGetTableEntryByUid(&mr, suid);
if (code != TSDB_CODE_SUCCESS) {
qError("failed to get table meta, uid:0x%" PRIx64 ", code:%s, %s", suid, tstrerror(terrno), idstr);
metaReaderClear(&mr);
return terrno;
}
int32_t numOfCols = mr.me.stbEntry.schemaRow.nCols;
for (int32_t i = 0; i < numOfCols; ++i) {
(*rowLen) += mr.me.stbEntry.schemaRow.pSchema[i].bytes;
}
} else if (mr.me.type == TSDB_NORMAL_TABLE) {
int32_t numOfCols = mr.me.ntbEntry.schemaRow.nCols;
for (int32_t i = 0; i < numOfCols; ++i) {
(*rowLen) += mr.me.ntbEntry.schemaRow.pSchema[i].bytes;
}
}
metaReaderClear(&mr);
return TSDB_CODE_SUCCESS;
}
static SSDataBlock* doBlockInfoScan(SOperatorInfo* pOperator) {
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
SBlockDistInfo* pBlockScanInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
STableBlockDistInfo blockDistInfo = {.minRows = INT_MAX, .maxRows = INT_MIN};
int32_t code = doGetTableRowSize(pBlockScanInfo->readHandle.meta, pBlockScanInfo->uid, &blockDistInfo.rowSize,
GET_TASKID(pTaskInfo));
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
tsdbGetFileBlocksDistInfo(pBlockScanInfo->pHandle, &blockDistInfo);
blockDistInfo.numOfInmemRows = (int32_t)tsdbGetNumOfRowsInMemTable(pBlockScanInfo->pHandle);
SSDataBlock* pBlock = pBlockScanInfo->pResBlock;
int32_t slotId = pOperator->exprSupp.pExprInfo->base.resSchema.slotId;
SColumnInfoData* pColInfo = taosArrayGet(pBlock->pDataBlock, slotId);
int32_t len = tSerializeBlockDistInfo(NULL, 0, &blockDistInfo);
char* p = taosMemoryCalloc(1, len + VARSTR_HEADER_SIZE);
tSerializeBlockDistInfo(varDataVal(p), len, &blockDistInfo);
varDataSetLen(p, len);
blockDataEnsureCapacity(pBlock, 1);
colDataAppend(pColInfo, 0, p, false);
taosMemoryFree(p);
pBlock->info.rows = 1;
pOperator->status = OP_EXEC_DONE;
return pBlock;
}
static void destroyBlockDistScanOperatorInfo(void* param, int32_t numOfOutput) {
SBlockDistInfo* pDistInfo = (SBlockDistInfo*)param;
blockDataDestroy(pDistInfo->pResBlock);
taosMemoryFreeClear(param);
}
SOperatorInfo* createDataBlockInfoScanOperator(void* dataReader, SReadHandle* readHandle, uint64_t uid,
SBlockDistScanPhysiNode* pBlockScanNode, SExecTaskInfo* pTaskInfo) {
SBlockDistInfo* pInfo = taosMemoryCalloc(1, sizeof(SBlockDistInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
pTaskInfo->code = TSDB_CODE_OUT_OF_MEMORY;
goto _error;
}
pInfo->pHandle = dataReader;
pInfo->readHandle = *readHandle;
pInfo->uid = uid;
pInfo->pResBlock = createResDataBlock(pBlockScanNode->node.pOutputDataBlockDesc);
int32_t numOfCols = 0;
SExprInfo* pExprInfo = createExprInfo(pBlockScanNode->pScanPseudoCols, NULL, &numOfCols);
int32_t code = initExprSupp(&pOperator->exprSupp, pExprInfo, numOfCols);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
pOperator->name = "DataBlockDistScanOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_BLOCK_DIST_SCAN;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doBlockInfoScan, NULL, NULL,
destroyBlockDistScanOperatorInfo, NULL, NULL, NULL);
return pOperator;
_error:
taosMemoryFreeClear(pInfo);
taosMemoryFreeClear(pOperator);
return NULL;
}
static void doClearBufferedBlocks(SStreamScanInfo* pInfo) {
size_t total = taosArrayGetSize(pInfo->pBlockLists);
pInfo->validBlockIndex = 0;
for (int32_t i = 0; i < total; ++i) {
SSDataBlock* p = taosArrayGetP(pInfo->pBlockLists, i);
blockDataDestroy(p);
}
taosArrayClear(pInfo->pBlockLists);
}
static bool isSessionWindow(SStreamScanInfo* pInfo) {
return pInfo->sessionSup.parentType == QUERY_NODE_PHYSICAL_PLAN_STREAM_SESSION ||
pInfo->sessionSup.parentType == QUERY_NODE_PHYSICAL_PLAN_STREAM_SESSION;
}
static bool isStateWindow(SStreamScanInfo* pInfo) {
return pInfo->sessionSup.parentType == QUERY_NODE_PHYSICAL_PLAN_STREAM_STATE;
}
static bool isIntervalWindow(SStreamScanInfo* pInfo) {
return pInfo->sessionSup.parentType == QUERY_NODE_PHYSICAL_PLAN_STREAM_INTERVAL ||
pInfo->sessionSup.parentType == QUERY_NODE_PHYSICAL_PLAN_STREAM_SEMI_INTERVAL ||
pInfo->sessionSup.parentType == QUERY_NODE_PHYSICAL_PLAN_STREAM_FINAL_INTERVAL;
}
static bool isSignleIntervalWindow(SStreamScanInfo* pInfo) {
return pInfo->sessionSup.parentType == QUERY_NODE_PHYSICAL_PLAN_STREAM_INTERVAL;
}
static uint64_t getGroupId(SOperatorInfo* pOperator, uint64_t uid) {
uint64_t* groupId = taosHashGet(pOperator->pTaskInfo->tableqinfoList.map, &uid, sizeof(int64_t));
if (groupId) {
return *groupId;
}
return 0;
/* Todo(liuyao) for partition by column
recordNewGroupKeys(pTableScanInfo->pGroupCols, pTableScanInfo->pGroupColVals, pBlock, rowId);
int32_t len = buildGroupKeys(pTableScanInfo->keyBuf, pTableScanInfo->pGroupColVals);
uint64_t resId = 0;
uint64_t* groupId = taosHashGet(pTableScanInfo->pGroupSet, pTableScanInfo->keyBuf, len);
if (groupId) {
return *groupId;
} else if (len != 0) {
resId = calcGroupId(pTableScanInfo->keyBuf, len);
taosHashPut(pTableScanInfo->pGroupSet, pTableScanInfo->keyBuf, len, &resId, sizeof(uint64_t));
}
return resId;
*/
}
static void setGroupId(SStreamScanInfo* pInfo, SSDataBlock* pBlock, int32_t groupColIndex, int32_t rowIndex) {
ASSERT(rowIndex < pBlock->info.rows);
switch (pBlock->info.type) {
case STREAM_DELETE_DATA:
case STREAM_RETRIEVE: {
SColumnInfoData* pColInfo = taosArrayGet(pBlock->pDataBlock, groupColIndex);
uint64_t* groupCol = (uint64_t*)pColInfo->pData;
pInfo->groupId = groupCol[rowIndex];
} break;
default:
break;
}
}
void resetTableScanInfo(STableScanInfo* pTableScanInfo, STimeWindow* pWin) {
pTableScanInfo->cond.twindows = *pWin;
pTableScanInfo->scanTimes = 0;
pTableScanInfo->currentGroupId = -1;
}
static bool prepareRangeScan(SStreamScanInfo* pInfo, SSDataBlock* pBlock, int32_t* pRowIndex) {
if ((*pRowIndex) == pBlock->info.rows) {
return false;
}
ASSERT(taosArrayGetSize(pBlock->pDataBlock) >= 3);
SColumnInfoData* pStartTsCol = taosArrayGet(pBlock->pDataBlock, START_TS_COLUMN_INDEX);
TSKEY* startData = (TSKEY*)pStartTsCol->pData;
SColumnInfoData* pEndTsCol = taosArrayGet(pBlock->pDataBlock, END_TS_COLUMN_INDEX);
TSKEY* endData = (TSKEY*)pEndTsCol->pData;
STimeWindow win = {.skey = startData[*pRowIndex], .ekey = endData[*pRowIndex]};
setGroupId(pInfo, pBlock, GROUPID_COLUMN_INDEX, *pRowIndex);
(*pRowIndex)++;
for (; *pRowIndex < pBlock->info.rows; (*pRowIndex)++) {
if (win.skey == startData[*pRowIndex]) {
win.ekey = TMAX(win.ekey, endData[*pRowIndex]);
continue;
}
if (win.skey == endData[*pRowIndex]) {
win.skey = TMIN(win.skey, startData[*pRowIndex]);
continue;
}
ASSERT((win.skey > startData[*pRowIndex] && win.ekey < endData[*pRowIndex]) ||
(isInTimeWindow(&win, startData[*pRowIndex], 0) || isInTimeWindow(&win, endData[*pRowIndex], 0)));
break;
}
resetTableScanInfo(pInfo->pTableScanOp->info, &win);
pInfo->pTableScanOp->status = OP_OPENED;
return true;
}
static STimeWindow getSlidingWindow(TSKEY* tsCol, SInterval* pInterval, SDataBlockInfo* pDataBlockInfo,
int32_t* pRowIndex) {
SResultRowInfo dumyInfo;
dumyInfo.cur.pageId = -1;
STimeWindow win = getActiveTimeWindow(NULL, &dumyInfo, tsCol[*pRowIndex], pInterval, TSDB_ORDER_ASC);
STimeWindow endWin = win;
STimeWindow preWin = win;
while (1) {
(*pRowIndex) += getNumOfRowsInTimeWindow(pDataBlockInfo, tsCol, *pRowIndex, endWin.ekey, binarySearchForKey, NULL,
TSDB_ORDER_ASC);
do {
preWin = endWin;
getNextTimeWindow(pInterval, &endWin, TSDB_ORDER_ASC);
} while (tsCol[(*pRowIndex) - 1] >= endWin.skey);
endWin = preWin;
if (win.ekey == endWin.ekey || (*pRowIndex) == pDataBlockInfo->rows) {
win.ekey = endWin.ekey;
return win;
}
win.ekey = endWin.ekey;
}
}
static bool prepareDataScan(SStreamScanInfo* pInfo, SSDataBlock* pSDB, int32_t tsColIndex, int32_t* pRowIndex) {
STimeWindow win = {
.skey = INT64_MIN,
.ekey = INT64_MAX,
};
bool needRead = false;
if (!isStateWindow(pInfo) && (*pRowIndex) < pSDB->info.rows) {
SColumnInfoData* pColDataInfo = taosArrayGet(pSDB->pDataBlock, tsColIndex);
TSKEY* tsCols = (TSKEY*)pColDataInfo->pData;
SResultRowInfo dumyInfo;
dumyInfo.cur.pageId = -1;
if (isSessionWindow(pInfo)) {
SStreamAggSupporter* pAggSup = pInfo->sessionSup.pStreamAggSup;
int64_t gap = pInfo->sessionSup.gap;
int32_t winIndex = 0;
SResultWindowInfo* pCurWin =
getSessionTimeWindow(pAggSup, tsCols[*pRowIndex], INT64_MIN, pSDB->info.groupId, gap, &winIndex);
win = pCurWin->win;
setGroupId(pInfo, pSDB, GROUPID_COLUMN_INDEX, *pRowIndex);
(*pRowIndex) += updateSessionWindowInfo(pCurWin, tsCols, NULL, pSDB->info.rows, *pRowIndex, gap, NULL);
} else {
setGroupId(pInfo, pSDB, GROUPID_COLUMN_INDEX, *pRowIndex);
pInfo->updateWin.skey = tsCols[*pRowIndex];
win = getSlidingWindow(tsCols, &pInfo->interval, &pSDB->info, pRowIndex);
pInfo->updateWin.ekey = tsCols[*pRowIndex - 1];
// win = getActiveTimeWindow(NULL, &dumyInfo, tsCols[*pRowIndex], &pInfo->interval, TSDB_ORDER_ASC);
// (*pRowIndex) +=
// getNumOfRowsInTimeWindow(&pSDB->info, tsCols, *pRowIndex, win.ekey, binarySearchForKey, NULL,
// TSDB_ORDER_ASC);
}
needRead = true;
} else if (isStateWindow(pInfo)) {
SArray* pWins = pInfo->sessionSup.pStreamAggSup->pScanWindow;
int32_t size = taosArrayGetSize(pWins);
if (pInfo->scanWinIndex < size) {
win = *(STimeWindow*)taosArrayGet(pWins, pInfo->scanWinIndex);
pInfo->scanWinIndex++;
needRead = true;
} else {
pInfo->scanWinIndex = 0;
taosArrayClear(pWins);
}
}
if (!needRead) {
return false;
}
resetTableScanInfo(pInfo->pTableScanOp->info, &win);
return true;
}
static void copyOneRow(SSDataBlock* dest, SSDataBlock* source, int32_t sourceRowId) {
for (int32_t j = 0; j < taosArrayGetSize(source->pDataBlock); j++) {
SColumnInfoData* pDestCol = (SColumnInfoData*)taosArrayGet(dest->pDataBlock, j);
SColumnInfoData* pSourceCol = (SColumnInfoData*)taosArrayGet(source->pDataBlock, j);
if (colDataIsNull_s(pSourceCol, sourceRowId)) {
colDataAppendNULL(pDestCol, dest->info.rows);
} else {
colDataAppend(pDestCol, dest->info.rows, colDataGetData(pSourceCol, sourceRowId), false);
}
}
dest->info.rows++;
}
static SSDataBlock* doRangeScan(SStreamScanInfo* pInfo, SSDataBlock* pSDB, int32_t tsColIndex, int32_t* pRowIndex) {
while (1) {
SSDataBlock* pResult = NULL;
pResult = doTableScan(pInfo->pTableScanOp);
if (!pResult && prepareRangeScan(pInfo, pSDB, pRowIndex)) {
// scan next window data
pResult = doTableScan(pInfo->pTableScanOp);
}
if (!pResult) {
blockDataCleanup(pSDB);
*pRowIndex = 0;
return NULL;
}
if (pResult->info.groupId == pInfo->groupId) {
return pResult;
}
}
}
static SSDataBlock* doDataScan(SStreamScanInfo* pInfo, SSDataBlock* pSDB, int32_t tsColIndex, int32_t* pRowIndex) {
while (1) {
SSDataBlock* pResult = NULL;
pResult = doTableScan(pInfo->pTableScanOp);
if (pResult == NULL) {
if (prepareDataScan(pInfo, pSDB, tsColIndex, pRowIndex)) {
// scan next window data
pResult = doTableScan(pInfo->pTableScanOp);
}
}
if (!pResult) {
pInfo->updateWin = (STimeWindow){.skey = INT64_MIN, .ekey = INT64_MAX};
return NULL;
}
if (pResult->info.groupId == pInfo->groupId) {
pResult->info.calWin = pInfo->updateWin;
return pResult;
}
}
/* Todo(liuyao) for partition by column
SSDataBlock* pBlock = createOneDataBlock(pResult, true);
blockDataCleanup(pResult);
for (int32_t i = 0; i < pBlock->info.rows; i++) {
uint64_t id = getGroupId(pInfo->pOperatorDumy, pBlock->info.uid);
if (id == pInfo->groupId) {
copyOneRow(pResult, pBlock, i);
}
}
return pResult;
*/
}
static void generateIntervalTs(SStreamScanInfo* pInfo, SSDataBlock* pDelBlock, SOperatorInfo* pOperator,
SSDataBlock* pUpdateRes) {
if (pDelBlock->info.rows == 0) {
return;
}
blockDataCleanup(pUpdateRes);
blockDataEnsureCapacity(pUpdateRes, 64);
ASSERT(taosArrayGetSize(pDelBlock->pDataBlock) >= 3);
SColumnInfoData* pStartTsCol = taosArrayGet(pDelBlock->pDataBlock, START_TS_COLUMN_INDEX);
TSKEY* startData = (TSKEY*)pStartTsCol->pData;
SColumnInfoData* pEndTsCol = taosArrayGet(pDelBlock->pDataBlock, END_TS_COLUMN_INDEX);
TSKEY* endData = (TSKEY*)pEndTsCol->pData;
SColumnInfoData* pGpCol = taosArrayGet(pDelBlock->pDataBlock, UID_COLUMN_INDEX);
uint64_t* uidCol = (uint64_t*)pGpCol->pData;
SColumnInfoData* pDestTsCol = taosArrayGet(pUpdateRes->pDataBlock, START_TS_COLUMN_INDEX);
SColumnInfoData* pDestGpCol = taosArrayGet(pUpdateRes->pDataBlock, GROUPID_COLUMN_INDEX);
for (int32_t i = pInfo->deleteDataIndex;
i < pDelBlock->info.rows &&
i < pDelBlock->info.capacity - (endData[i] - startData[i]) / pInfo->interval.interval - 1;
i++) {
uint64_t groupId = getGroupId(pOperator, uidCol[i]);
for (TSKEY startTs = startData[i]; startTs <= endData[i];) {
colDataAppend(pDestTsCol, pUpdateRes->info.rows, (const char*)&startTs, false);
colDataAppend(pDestGpCol, pUpdateRes->info.rows, (const char*)&groupId, false);
pUpdateRes->info.rows++;
startTs = taosTimeAdd(startTs, pInfo->interval.interval, pInfo->interval.intervalUnit, pInfo->interval.precision);
}
pInfo->deleteDataIndex++;
}
if (pInfo->deleteDataIndex > 0 && pInfo->deleteDataIndex == pDelBlock->info.rows) {
blockDataCleanup(pDelBlock);
pInfo->deleteDataIndex = 0;
}
}
static void generateScanRange(SStreamScanInfo* pInfo, SSDataBlock* pBlock, SOperatorInfo* pOperator,
SSDataBlock* pUpdateRes) {
if (pBlock->info.rows == 0) {
return;
}
blockDataCleanup(pUpdateRes);
blockDataEnsureCapacity(pUpdateRes, pBlock->info.rows);
ASSERT(taosArrayGetSize(pBlock->pDataBlock) >= 3);
SColumnInfoData* pStartTsCol = taosArrayGet(pBlock->pDataBlock, START_TS_COLUMN_INDEX);
TSKEY* startData = (TSKEY*)pStartTsCol->pData;
SColumnInfoData* pEndTsCol = taosArrayGet(pBlock->pDataBlock, END_TS_COLUMN_INDEX);
TSKEY* endData = (TSKEY*)pEndTsCol->pData;
SColumnInfoData* pGpCol = taosArrayGet(pBlock->pDataBlock, UID_COLUMN_INDEX);
uint64_t* uidCol = (uint64_t*)pGpCol->pData;
SColumnInfoData* pDestStartCol = taosArrayGet(pUpdateRes->pDataBlock, START_TS_COLUMN_INDEX);
SColumnInfoData* pDestEndCol = taosArrayGet(pUpdateRes->pDataBlock, END_TS_COLUMN_INDEX);
SColumnInfoData* pDestGpCol = taosArrayGet(pUpdateRes->pDataBlock, GROUPID_COLUMN_INDEX);
int32_t dummy = 0;
for (int32_t i = 0; i < pBlock->info.rows; i++) {
uint64_t groupId = getGroupId(pOperator, uidCol[i]);
// gap must be 0.
SResultWindowInfo* pStartWin =
getCurSessionWindow(pInfo->sessionSup.pStreamAggSup, startData[i], endData[i], groupId, 0, &dummy);
if (!pStartWin) {
// window has been closed.
continue;
}
SResultWindowInfo* pEndWin =
getCurSessionWindow(pInfo->sessionSup.pStreamAggSup, endData[i], endData[i], groupId, 0, &dummy);
ASSERT(pEndWin);
colDataAppend(pDestStartCol, i, (const char*)&pStartWin->win.skey, false);
colDataAppend(pDestEndCol, i, (const char*)&pEndWin->win.ekey, false);
colDataAppend(pDestGpCol, i, (const char*)&groupId, false);
pUpdateRes->info.rows++;
}
}
static void setUpdateData(SStreamScanInfo* pInfo, SSDataBlock* pBlock, SSDataBlock* pUpdateBlock) {
blockDataCleanup(pUpdateBlock);
int32_t size = taosArrayGetSize(pInfo->tsArray);
if (pInfo->tsArrayIndex < size) {
SColumnInfoData* pCol = (SColumnInfoData*)taosArrayGet(pUpdateBlock->pDataBlock, pInfo->primaryTsIndex);
ASSERT(pCol->info.type == TSDB_DATA_TYPE_TIMESTAMP);
blockDataEnsureCapacity(pUpdateBlock, size);
int32_t rowId = *(int32_t*)taosArrayGet(pInfo->tsArray, pInfo->tsArrayIndex);
pInfo->groupId = getGroupId(pInfo->pTableScanOp, pBlock->info.uid);
int32_t i = 0;
for (; i < size; i++) {
rowId = *(int32_t*)taosArrayGet(pInfo->tsArray, i + pInfo->tsArrayIndex);
uint64_t id = getGroupId(pInfo->pTableScanOp, pBlock->info.uid);
if (pInfo->groupId != id) {
break;
}
copyOneRow(pUpdateBlock, pBlock, rowId);
}
pUpdateBlock->info.rows = i;
pInfo->tsArrayIndex += i;
pUpdateBlock->info.groupId = pInfo->groupId;
pUpdateBlock->info.type = STREAM_CLEAR;
blockDataUpdateTsWindow(pUpdateBlock, 0);
}
// all rows have same group id
ASSERT(pInfo->tsArrayIndex >= size);
if (size > 0 && pInfo->tsArrayIndex == size) {
taosArrayClear(pInfo->tsArray);
}
if (size == 0) {
generateIntervalTs(pInfo, pInfo->pDeleteDataRes, pInfo->pTableScanOp, pUpdateBlock);
}
}
static void checkUpdateData(SStreamScanInfo* pInfo, bool invertible, SSDataBlock* pBlock, bool out) {
SColumnInfoData* pColDataInfo = taosArrayGet(pBlock->pDataBlock, pInfo->primaryTsIndex);
ASSERT(pColDataInfo->info.type == TSDB_DATA_TYPE_TIMESTAMP);
TSKEY* tsCol = (TSKEY*)pColDataInfo->pData;
for (int32_t rowId = 0; rowId < pBlock->info.rows; rowId++) {
SResultRowInfo dumyInfo;
dumyInfo.cur.pageId = -1;
STimeWindow win = getActiveTimeWindow(NULL, &dumyInfo, tsCol[rowId], &pInfo->interval, TSDB_ORDER_ASC);
// must check update info first.
bool update = updateInfoIsUpdated(pInfo->pUpdateInfo, pBlock->info.uid, tsCol[rowId]);
if ( (update || (isSignleIntervalWindow(pInfo) && isCloseWindow(&win, &pInfo->twAggSup)) ) && out) {
taosArrayPush(pInfo->tsArray, &rowId);
}
}
}
static void setBlockGroupId(SOperatorInfo* pOperator, SSDataBlock* pBlock, int32_t uidColIndex) {
ASSERT(taosArrayGetSize(pBlock->pDataBlock) >= 3);
SColumnInfoData* pColDataInfo = taosArrayGet(pBlock->pDataBlock, uidColIndex);
uint64_t* uidCol = (uint64_t*)pColDataInfo->pData;
ASSERT(pBlock->info.rows > 0);
for (int32_t i = 0; i < pBlock->info.rows; i++) {
uidCol[i] = getGroupId(pOperator, uidCol[i]);
}
}
static int32_t setBlockIntoRes(SStreamScanInfo* pInfo, const SSDataBlock* pBlock) {
SDataBlockInfo* pBlockInfo = &pInfo->pRes->info;
SOperatorInfo* pOperator = pInfo->pStreamScanOp;
SExecTaskInfo* pTaskInfo = pInfo->pStreamScanOp->pTaskInfo;
blockDataEnsureCapacity(pInfo->pRes, pBlock->info.rows);
pInfo->pRes->info.rows = pBlock->info.rows;
pInfo->pRes->info.uid = pBlock->info.uid;
pInfo->pRes->info.type = STREAM_NORMAL;
uint64_t* groupIdPre = taosHashGet(pOperator->pTaskInfo->tableqinfoList.map, &pBlock->info.uid, sizeof(int64_t));
if (groupIdPre) {
pInfo->pRes->info.groupId = *groupIdPre;
} else {
pInfo->pRes->info.groupId = 0;
}
// for generating rollup SMA result, each time is an independent time serie.
// TODO temporarily used, when the statement of "partition by tbname" is ready, remove this
if (pInfo->assignBlockUid) {
pInfo->pRes->info.groupId = pBlock->info.uid;
}
// todo extract method
for (int32_t i = 0; i < taosArrayGetSize(pInfo->pColMatchInfo); ++i) {
SColMatchInfo* pColMatchInfo = taosArrayGet(pInfo->pColMatchInfo, i);
if (!pColMatchInfo->output) {
continue;
}
bool colExists = false;
for (int32_t j = 0; j < blockDataGetNumOfCols(pBlock); ++j) {
SColumnInfoData* pResCol = bdGetColumnInfoData(pBlock, j);
if (pResCol->info.colId == pColMatchInfo->colId) {
SColumnInfoData* pDst = taosArrayGet(pInfo->pRes->pDataBlock, pColMatchInfo->targetSlotId);
colDataAssign(pDst, pResCol, pBlock->info.rows, &pInfo->pRes->info);
// taosArraySet(pInfo->pRes->pDataBlock, pColMatchInfo->targetSlotId, pResCol);
colExists = true;
break;
}
}
// the required column does not exists in submit block, let's set it to be all null value
if (!colExists) {
SColumnInfoData* pDst = taosArrayGet(pInfo->pRes->pDataBlock, pColMatchInfo->targetSlotId);
colDataAppendNNULL(pDst, 0, pBlockInfo->rows);
}
}
// currently only the tbname pseudo column
if (pInfo->numOfPseudoExpr > 0) {
int32_t code = addTagPseudoColumnData(&pInfo->readHandle, pInfo->pPseudoExpr, pInfo->numOfPseudoExpr, pInfo->pRes,
GET_TASKID(pTaskInfo));
if (code != TSDB_CODE_SUCCESS) {
blockDataFreeRes((SSDataBlock*)pBlock);
longjmp(pTaskInfo->env, code);
}
}
doFilter(pInfo->pCondition, pInfo->pRes);
blockDataUpdateTsWindow(pInfo->pRes, pInfo->primaryTsIndex);
blockDataFreeRes((SSDataBlock*)pBlock);
return 0;
}
static SSDataBlock* doStreamScan(SOperatorInfo* pOperator) {
// NOTE: this operator does never check if current status is done or not
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SStreamScanInfo* pInfo = pOperator->info;
qDebug("stream scan called");
if (pTaskInfo->streamInfo.prepareStatus.type == TMQ_OFFSET__LOG) {
while (1) {
SFetchRet ret = {0};
tqNextBlock(pInfo->tqReader, &ret);
if (ret.fetchType == FETCH_TYPE__DATA) {
blockDataCleanup(pInfo->pRes);
if (setBlockIntoRes(pInfo, &ret.data) < 0) {
ASSERT(0);
}
// TODO clean data block
if (pInfo->pRes->info.rows > 0) {
qDebug("stream scan log return %d rows", pInfo->pRes->info.rows);
return pInfo->pRes;
}
} else if (ret.fetchType == FETCH_TYPE__META) {
ASSERT(0);
pTaskInfo->streamInfo.lastStatus = ret.offset;
pTaskInfo->streamInfo.metaBlk = ret.meta;
return NULL;
} else if (ret.fetchType == FETCH_TYPE__NONE) {
pTaskInfo->streamInfo.lastStatus = ret.offset;
ASSERT(pTaskInfo->streamInfo.lastStatus.version + 1 >= pTaskInfo->streamInfo.prepareStatus.version);
qDebug("stream scan log return null");
return NULL;
} else {
ASSERT(0);
}
}
} else if (pTaskInfo->streamInfo.prepareStatus.type == TMQ_OFFSET__SNAPSHOT_DATA) {
SSDataBlock* pResult = doTableScan(pInfo->pTableScanOp);
if (pResult && pResult->info.rows > 0) {
qDebug("stream scan tsdb return %d rows", pResult->info.rows);
return pResult;
}
qDebug("stream scan tsdb return null");
return NULL;
} else if (pTaskInfo->streamInfo.prepareStatus.type == TMQ_OFFSET__SNAPSHOT_META) {
// TODO scan meta
ASSERT(0);
return NULL;
}
if (pTaskInfo->streamInfo.recoverStep == STREAM_RECOVER_STEP__PREPARE) {
STableScanInfo* pTSInfo = pInfo->pTableScanOp->info;
memcpy(&pTSInfo->cond, &pTaskInfo->streamInfo.tableCond, sizeof(SQueryTableDataCond));
pTSInfo->scanTimes = 0;
pTSInfo->currentGroupId = -1;
pTaskInfo->streamInfo.recoverStep = STREAM_RECOVER_STEP__SCAN;
}
if (pTaskInfo->streamInfo.recoverStep == STREAM_RECOVER_STEP__SCAN) {
SSDataBlock* pBlock = doTableScan(pInfo->pTableScanOp);
if (pBlock != NULL) {
return pBlock;
}
// TODO fill in bloom filter
pTaskInfo->streamInfo.recoverStep = STREAM_RECOVER_STEP__NONE;
return NULL;
}
size_t total = taosArrayGetSize(pInfo->pBlockLists);
// TODO: refactor
if (pInfo->blockType == STREAM_INPUT__DATA_BLOCK) {
if (pInfo->validBlockIndex >= total) {
/*doClearBufferedBlocks(pInfo);*/
/*pOperator->status = OP_EXEC_DONE;*/
return NULL;
}
int32_t current = pInfo->validBlockIndex++;
SSDataBlock* pBlock = taosArrayGetP(pInfo->pBlockLists, current);
// TODO move into scan
pBlock->info.calWin.skey = INT64_MIN;
pBlock->info.calWin.ekey = INT64_MAX;
blockDataUpdateTsWindow(pBlock, 0);
switch (pBlock->info.type) {
case STREAM_NORMAL:
case STREAM_GET_ALL:
return pBlock;
case STREAM_RETRIEVE: {
pInfo->blockType = STREAM_INPUT__DATA_SUBMIT;
pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER_RETRIEVE;
copyDataBlock(pInfo->pPullDataRes, pBlock);
pInfo->pullDataResIndex = 0;
prepareDataScan(pInfo, pInfo->pPullDataRes, START_TS_COLUMN_INDEX, &pInfo->pullDataResIndex);
updateInfoAddCloseWindowSBF(pInfo->pUpdateInfo);
} break;
case STREAM_DELETE_DATA: {
pInfo->blockType = STREAM_INPUT__DATA_SUBMIT;
pInfo->updateResIndex = 0;
if (isIntervalWindow(pInfo)) {
copyDataBlock(pInfo->pDeleteDataRes, pBlock);
generateIntervalTs(pInfo, pInfo->pDeleteDataRes, pInfo->pTableScanOp, pInfo->pUpdateRes);
prepareDataScan(pInfo, pInfo->pUpdateRes, START_TS_COLUMN_INDEX, &pInfo->updateResIndex);
pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER;
} else {
generateScanRange(pInfo, pBlock, pInfo->pTableScanOp, pInfo->pUpdateRes);
prepareRangeScan(pInfo, pInfo->pUpdateRes, &pInfo->updateResIndex);
pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER_RANGE;
}
pInfo->pUpdateRes->info.type = STREAM_DELETE_DATA;
return pInfo->pUpdateRes;
} break;
default:
break;
}
return pBlock;
} else if (pInfo->blockType == STREAM_INPUT__DATA_SUBMIT) {
qDebug("scan mode %d", pInfo->scanMode);
if (pInfo->scanMode == STREAM_SCAN_FROM_RES) {
blockDataDestroy(pInfo->pUpdateRes);
pInfo->scanMode = STREAM_SCAN_FROM_READERHANDLE;
return pInfo->pRes;
} else if (pInfo->scanMode == STREAM_SCAN_FROM_UPDATERES) {
if (isStateWindow(pInfo)) {
pInfo->scanMode = STREAM_SCAN_FROM_READERHANDLE;
} else {
pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER;
prepareDataScan(pInfo, pInfo->pUpdateRes, pInfo->primaryTsIndex, &pInfo->updateResIndex);
}
return pInfo->pUpdateRes;
} else if (pInfo->scanMode == STREAM_SCAN_FROM_DATAREADER_RETRIEVE) {
SSDataBlock* pSDB = doDataScan(pInfo, pInfo->pPullDataRes, 0, &pInfo->pullDataResIndex);
if (pSDB != NULL) {
checkUpdateData(pInfo, true, pSDB, false);
pSDB->info.type = STREAM_PULL_DATA;
return pSDB;
}
pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER;
} else if (pInfo->scanMode == STREAM_SCAN_FROM_DATAREADER) {
SSDataBlock* pSDB = doDataScan(pInfo, pInfo->pUpdateRes, pInfo->primaryTsIndex, &pInfo->updateResIndex);
if (pSDB) {
pSDB->info.type = STREAM_NORMAL;
checkUpdateData(pInfo, true, pSDB, false);
return pSDB;
}
setUpdateData(pInfo, pInfo->pRes, pInfo->pUpdateRes);
if (pInfo->pUpdateRes->info.rows > 0) {
prepareDataScan(pInfo, pInfo->pUpdateRes, pInfo->primaryTsIndex, &pInfo->updateResIndex);
return pInfo->pUpdateRes;
}
pInfo->scanMode = STREAM_SCAN_FROM_READERHANDLE;
} else if (pInfo->scanMode == STREAM_SCAN_FROM_DATAREADER_RANGE) {
SSDataBlock* pSDB = doRangeScan(pInfo, pInfo->pUpdateRes, pInfo->primaryTsIndex, &pInfo->updateResIndex);
if (pSDB) {
pSDB->info.type = STREAM_NORMAL;
checkUpdateData(pInfo, true, pSDB, false);
return pSDB;
}
pInfo->scanMode = STREAM_SCAN_FROM_READERHANDLE;
} else if (isStateWindow(pInfo)) {
pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER;
pInfo->updateResIndex = pInfo->pUpdateRes->info.rows;
if (prepareDataScan(pInfo, pInfo->pUpdateRes, pInfo->primaryTsIndex, &pInfo->updateResIndex)) {
blockDataCleanup(pInfo->pUpdateRes);
// return empty data blcok
return pInfo->pUpdateRes;
}
pInfo->scanMode = STREAM_SCAN_FROM_READERHANDLE;
}
SDataBlockInfo* pBlockInfo = &pInfo->pRes->info;
blockDataCleanup(pInfo->pRes);
while (tqNextDataBlock(pInfo->tqReader)) {
SSDataBlock block = {0};
// todo refactor
int32_t code = tqRetrieveDataBlock(&block, pInfo->tqReader);
if (code != TSDB_CODE_SUCCESS || block.info.rows == 0) {
pTaskInfo->code = code;
return NULL;
}
setBlockIntoRes(pInfo, &block);
if (pBlockInfo->rows > 0) {
break;
}
}
// record the scan action.
pInfo->numOfExec++;
pOperator->resultInfo.totalRows += pBlockInfo->rows;
if (pBlockInfo->rows == 0) {
updateInfoDestoryColseWinSBF(pInfo->pUpdateInfo);
/*pOperator->status = OP_EXEC_DONE;*/
} else if (pInfo->pUpdateInfo) {
pInfo->tsArrayIndex = 0;
checkUpdateData(pInfo, true, pInfo->pRes, true);
setUpdateData(pInfo, pInfo->pRes, pInfo->pUpdateRes);
pInfo->twAggSup.maxTs = TMAX(pInfo->twAggSup.maxTs, pBlockInfo->window.ekey);
if (pInfo->pUpdateRes->info.rows > 0) {
if (pInfo->pUpdateRes->info.type == STREAM_CLEAR) {
pInfo->updateResIndex = 0;
pInfo->scanMode = STREAM_SCAN_FROM_UPDATERES;
} else if (pInfo->pUpdateRes->info.type == STREAM_INVERT) {
pInfo->scanMode = STREAM_SCAN_FROM_RES;
return pInfo->pUpdateRes;
}
}
}
qDebug("scan rows: %d", pBlockInfo->rows);
return (pBlockInfo->rows == 0) ? NULL : pInfo->pRes;
} else {
ASSERT(0);
return NULL;
}
}
static SSDataBlock* doRawScan(SOperatorInfo* pInfo) {
//
return NULL;
}
static SArray* extractTableIdList(const STableListInfo* pTableGroupInfo) {
SArray* tableIdList = taosArrayInit(4, sizeof(uint64_t));
// Transfer the Array of STableKeyInfo into uid list.
for (int32_t i = 0; i < taosArrayGetSize(pTableGroupInfo->pTableList); ++i) {
STableKeyInfo* pkeyInfo = taosArrayGet(pTableGroupInfo->pTableList, i);
taosArrayPush(tableIdList, &pkeyInfo->uid);
}
return tableIdList;
}
// for subscribing db or stb (not including column),
// if this scan is used, meta data can be return
// and schemas are decided when scanning
SOperatorInfo* createRawScanOperatorInfo(SReadHandle* pHandle, STableScanPhysiNode* pTableScanNode,
SExecTaskInfo* pTaskInfo, STimeWindowAggSupp* pTwSup) {
// create operator
// create tb reader
// create meta reader
// create tq reader
return NULL;
}
static void destroyStreamScanOperatorInfo(void* param, int32_t numOfOutput) {
SStreamScanInfo* pStreamScan = (SStreamScanInfo*)param;
#if 1
if (pStreamScan->pTableScanOp && pStreamScan->pTableScanOp->info) {
STableScanInfo* pTableScanInfo = pStreamScan->pTableScanOp->info;
destroyTableScanOperatorInfo(pTableScanInfo, 1);
}
#endif
if (pStreamScan->tqReader) {
tqCloseReader(pStreamScan->tqReader);
}
if (pStreamScan->pColMatchInfo) {
taosArrayDestroy(pStreamScan->pColMatchInfo);
}
updateInfoDestroy(pStreamScan->pUpdateInfo);
blockDataDestroy(pStreamScan->pRes);
blockDataDestroy(pStreamScan->pUpdateRes);
blockDataDestroy(pStreamScan->pPullDataRes);
blockDataDestroy(pStreamScan->pDeleteDataRes);
taosArrayDestroy(pStreamScan->pBlockLists);
taosMemoryFree(pStreamScan);
}
SOperatorInfo* createStreamScanOperatorInfo(SReadHandle* pHandle, STableScanPhysiNode* pTableScanNode,
SExecTaskInfo* pTaskInfo, STimeWindowAggSupp* pTwSup, uint64_t queryId,
uint64_t taskId) {
SStreamScanInfo* pInfo = taosMemoryCalloc(1, sizeof(SStreamScanInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
terrno = TSDB_CODE_QRY_OUT_OF_MEMORY;
goto _error;
}
SScanPhysiNode* pScanPhyNode = &pTableScanNode->scan;
SDataBlockDescNode* pDescNode = pScanPhyNode->node.pOutputDataBlockDesc;
int32_t numOfCols = 0;
pInfo->pColMatchInfo = extractColMatchInfo(pScanPhyNode->pScanCols, pDescNode, &numOfCols, COL_MATCH_FROM_COL_ID);
int32_t numOfOutput = taosArrayGetSize(pInfo->pColMatchInfo);
SArray* pColIds = taosArrayInit(numOfOutput, sizeof(int16_t));
for (int32_t i = 0; i < numOfOutput; ++i) {
SColMatchInfo* id = taosArrayGet(pInfo->pColMatchInfo, i);
int16_t colId = id->colId;
taosArrayPush(pColIds, &colId);
if (id->colId == PRIMARYKEY_TIMESTAMP_COL_ID) {
pInfo->primaryTsIndex = id->targetSlotId;
}
}
pInfo->pBlockLists = taosArrayInit(4, POINTER_BYTES);
if (pInfo->pBlockLists == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
goto _error;
}
pInfo->tsArray = taosArrayInit(4, sizeof(int32_t));
if (pInfo->tsArray == NULL) {
goto _error;
}
if (pHandle) {
SOperatorInfo* pTableScanOp = createTableScanOperatorInfo(pTableScanNode, pHandle, pTaskInfo);
STableScanInfo* pTSInfo = (STableScanInfo*)pTableScanOp->info;
if (pHandle->version > 0) {
pTSInfo->cond.endVersion = pHandle->version;
}
SArray* tableList = taosArrayGetP(pTaskInfo->tableqinfoList.pGroupList, 0);
if (pHandle->initTableReader) {
pTSInfo->scanMode = TABLE_SCAN__TABLE_ORDER;
pTSInfo->dataReader = NULL;
if (tsdbReaderOpen(pHandle->vnode, &pTSInfo->cond, tableList, &pTSInfo->dataReader, NULL) < 0) {
ASSERT(0);
}
}
if (pHandle->initTqReader) {
ASSERT(pHandle->tqReader == NULL);
pInfo->tqReader = tqOpenReader(pHandle->vnode);
ASSERT(pInfo->tqReader);
} else {
ASSERT(pHandle->tqReader);
pInfo->tqReader = pHandle->tqReader;
}
if (pTSInfo->interval.interval > 0) {
pInfo->pUpdateInfo = updateInfoInitP(&pTSInfo->interval, pTwSup->waterMark);
} else {
pInfo->pUpdateInfo = NULL;
}
pInfo->pTableScanOp = pTableScanOp;
pInfo->interval = pTSInfo->interval;
pInfo->readHandle = *pHandle;
pInfo->tableUid = pScanPhyNode->uid;
// set the extract column id to streamHandle
tqReaderSetColIdList(pInfo->tqReader, pColIds);
SArray* tableIdList = extractTableIdList(&pTaskInfo->tableqinfoList);
int32_t code = tqReaderSetTbUidList(pInfo->tqReader, tableIdList);
if (code != 0) {
taosArrayDestroy(tableIdList);
goto _error;
}
taosArrayDestroy(tableIdList);
memcpy(&pTaskInfo->streamInfo.tableCond, &pTSInfo->cond, sizeof(SQueryTableDataCond));
}
// create the pseduo columns info
if (pTableScanNode->scan.pScanPseudoCols != NULL) {
pInfo->pPseudoExpr = createExprInfo(pTableScanNode->scan.pScanPseudoCols, NULL, &pInfo->numOfPseudoExpr);
}
pInfo->pRes = createResDataBlock(pDescNode);
pInfo->pUpdateRes = createResDataBlock(pDescNode);
pInfo->pCondition = pScanPhyNode->node.pConditions;
pInfo->scanMode = STREAM_SCAN_FROM_READERHANDLE;
pInfo->sessionSup = (SessionWindowSupporter){.pStreamAggSup = NULL, .gap = -1, .parentType = QUERY_NODE_PHYSICAL_PLAN};
pInfo->groupId = 0;
pInfo->pPullDataRes = createPullDataBlock();
pInfo->pStreamScanOp = pOperator;
pInfo->deleteDataIndex = 0;
pInfo->pDeleteDataRes = createPullDataBlock();
pInfo->updateWin = (STimeWindow){.skey = INT64_MAX, .ekey = INT64_MAX};
pInfo->twAggSup = *pTwSup;
pOperator->name = "StreamScanOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->exprSupp.numOfExprs = taosArrayGetSize(pInfo->pRes->pDataBlock);
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doStreamScan, NULL, NULL, destroyStreamScanOperatorInfo,
NULL, NULL, NULL);
return pOperator;
_error:
taosMemoryFreeClear(pInfo);
taosMemoryFreeClear(pOperator);
return NULL;
}
static void destroySysScanOperator(void* param, int32_t numOfOutput) {
SSysTableScanInfo* pInfo = (SSysTableScanInfo*)param;
tsem_destroy(&pInfo->ready);
blockDataDestroy(pInfo->pRes);
const char* name = tNameGetTableName(&pInfo->name);
if (strncasecmp(name, TSDB_INS_TABLE_USER_TABLES, TSDB_TABLE_FNAME_LEN) == 0 || pInfo->pCur != NULL) {
metaCloseTbCursor(pInfo->pCur);
pInfo->pCur = NULL;
}
taosArrayDestroy(pInfo->scanCols);
taosMemoryFreeClear(pInfo->pUser);
taosMemoryFreeClear(param);
}
static int32_t getSysTableDbNameColId(const char* pTable) {
// if (0 == strcmp(TSDB_INS_TABLE_USER_INDEXES, pTable)) {
// return 1;
// }
return TSDB_INS_USER_STABLES_DBNAME_COLID;
}
EDealRes getDBNameFromConditionWalker(SNode* pNode, void* pContext) {
int32_t code = TSDB_CODE_SUCCESS;
ENodeType nType = nodeType(pNode);
switch (nType) {
case QUERY_NODE_OPERATOR: {
SOperatorNode* node = (SOperatorNode*)pNode;
if (OP_TYPE_EQUAL == node->opType) {
*(int32_t*)pContext = 1;
return DEAL_RES_CONTINUE;
}
*(int32_t*)pContext = 0;
return DEAL_RES_IGNORE_CHILD;
}
case QUERY_NODE_COLUMN: {
if (1 != *(int32_t*)pContext) {
return DEAL_RES_CONTINUE;
}
SColumnNode* node = (SColumnNode*)pNode;
if (getSysTableDbNameColId(node->tableName) == node->colId) {
*(int32_t*)pContext = 2;
return DEAL_RES_CONTINUE;
}
*(int32_t*)pContext = 0;
return DEAL_RES_CONTINUE;
}
case QUERY_NODE_VALUE: {
if (2 != *(int32_t*)pContext) {
return DEAL_RES_CONTINUE;
}
SValueNode* node = (SValueNode*)pNode;
char* dbName = nodesGetValueFromNode(node);
strncpy(pContext, varDataVal(dbName), varDataLen(dbName));
*((char*)pContext + varDataLen(dbName)) = 0;
return DEAL_RES_END; // stop walk
}
default:
break;
}
return DEAL_RES_CONTINUE;
}
static void getDBNameFromCondition(SNode* pCondition, const char* dbName) {
if (NULL == pCondition) {
return;
}
nodesWalkExpr(pCondition, getDBNameFromConditionWalker, (char*)dbName);
}
static int32_t loadSysTableCallback(void* param, SDataBuf* pMsg, int32_t code) {
SOperatorInfo* operator=(SOperatorInfo*) param;
SSysTableScanInfo* pScanResInfo = (SSysTableScanInfo*)operator->info;
if (TSDB_CODE_SUCCESS == code) {
pScanResInfo->pRsp = pMsg->pData;
SRetrieveMetaTableRsp* pRsp = pScanResInfo->pRsp;
pRsp->numOfRows = htonl(pRsp->numOfRows);
pRsp->useconds = htobe64(pRsp->useconds);
pRsp->handle = htobe64(pRsp->handle);
pRsp->compLen = htonl(pRsp->compLen);
} else {
operator->pTaskInfo->code = code;
}
tsem_post(&pScanResInfo->ready);
return TSDB_CODE_SUCCESS;
}
static SSDataBlock* doFilterResult(SSysTableScanInfo* pInfo) {
if (pInfo->pCondition == NULL) {
return pInfo->pRes->info.rows == 0 ? NULL : pInfo->pRes;
}
doFilter(pInfo->pCondition, pInfo->pRes);
#if 0
SFilterInfo* filter = NULL;
int32_t code = filterInitFromNode(pInfo->pCondition, &filter, 0);
SFilterColumnParam param1 = {.numOfCols = pInfo->pRes->info.numOfCols, .pDataBlock = pInfo->pRes->pDataBlock};
code = filterSetDataFromSlotId(filter, &param1);
int8_t* rowRes = NULL;
bool keep = filterExecute(filter, pInfo->pRes, &rowRes, NULL, param1.numOfCols);
filterFreeInfo(filter);
SSDataBlock* px = createOneDataBlock(pInfo->pRes, false);
blockDataEnsureCapacity(px, pInfo->pRes->info.rows);
// TODO refactor
int32_t numOfRow = 0;
for (int32_t i = 0; i < pInfo->pRes->info.numOfCols; ++i) {
SColumnInfoData* pDest = taosArrayGet(px->pDataBlock, i);
SColumnInfoData* pSrc = taosArrayGet(pInfo->pRes->pDataBlock, i);
if (keep) {
colDataAssign(pDest, pSrc, pInfo->pRes->info.rows, &px->info);
numOfRow = pInfo->pRes->info.rows;
} else if (NULL != rowRes) {
numOfRow = 0;
for (int32_t j = 0; j < pInfo->pRes->info.rows; ++j) {
if (rowRes[j] == 0) {
continue;
}
if (colDataIsNull_s(pSrc, j)) {
colDataAppendNULL(pDest, numOfRow);
} else {
colDataAppend(pDest, numOfRow, colDataGetData(pSrc, j), false);
}
numOfRow += 1;
}
} else {
numOfRow = 0;
}
}
px->info.rows = numOfRow;
pInfo->pRes = px;
#endif
return pInfo->pRes->info.rows == 0 ? NULL : pInfo->pRes;
}
static SSDataBlock* buildSysTableMetaBlock() {
size_t size = 0;
const SSysTableMeta* pMeta = NULL;
getInfosDbMeta(&pMeta, &size);
int32_t index = 0;
for (int32_t i = 0; i < size; ++i) {
if (strcmp(pMeta[i].name, TSDB_INS_TABLE_USER_TABLES) == 0) {
index = i;
break;
}
}
SSDataBlock* pBlock = createDataBlock();
for (int32_t i = 0; i < pMeta[index].colNum; ++i) {
SColumnInfoData colInfoData =
createColumnInfoData(pMeta[index].schema[i].type, pMeta[index].schema[i].bytes, i + 1);
blockDataAppendColInfo(pBlock, &colInfoData);
}
return pBlock;
}
static SSDataBlock* doSysTableScan(SOperatorInfo* pOperator) {
// build message and send to mnode to fetch the content of system tables.
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SSysTableScanInfo* pInfo = pOperator->info;
// retrieve local table list info from vnode
const char* name = tNameGetTableName(&pInfo->name);
if (strncasecmp(name, TSDB_INS_TABLE_USER_TABLES, TSDB_TABLE_FNAME_LEN) == 0) {
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
// the retrieve is executed on the mnode, so return tables that belongs to the information schema database.
if (pInfo->readHandle.mnd != NULL) {
buildSysDbTableInfo(pInfo, pOperator->resultInfo.capacity);
doFilterResult(pInfo);
pInfo->loadInfo.totalRows += pInfo->pRes->info.rows;
doSetOperatorCompleted(pOperator);
return (pInfo->pRes->info.rows == 0) ? NULL : pInfo->pRes;
} else {
if (pInfo->pCur == NULL) {
pInfo->pCur = metaOpenTbCursor(pInfo->readHandle.meta);
}
blockDataCleanup(pInfo->pRes);
int32_t numOfRows = 0;
const char* db = NULL;
int32_t vgId = 0;
vnodeGetInfo(pInfo->readHandle.vnode, &db, &vgId);
SName sn = {0};
char dbname[TSDB_DB_FNAME_LEN + VARSTR_HEADER_SIZE] = {0};
tNameFromString(&sn, db, T_NAME_ACCT | T_NAME_DB);
tNameGetDbName(&sn, varDataVal(dbname));
varDataSetLen(dbname, strlen(varDataVal(dbname)));
SSDataBlock* p = buildSysTableMetaBlock();
blockDataEnsureCapacity(p, pOperator->resultInfo.capacity);
char n[TSDB_TABLE_NAME_LEN + VARSTR_HEADER_SIZE] = {0};
int32_t ret = 0;
while ((ret = metaTbCursorNext(pInfo->pCur)) == 0) {
STR_TO_VARSTR(n, pInfo->pCur->mr.me.name);
// table name
SColumnInfoData* pColInfoData = taosArrayGet(p->pDataBlock, 0);
colDataAppend(pColInfoData, numOfRows, n, false);
// database name
pColInfoData = taosArrayGet(p->pDataBlock, 1);
colDataAppend(pColInfoData, numOfRows, dbname, false);
// vgId
pColInfoData = taosArrayGet(p->pDataBlock, 6);
colDataAppend(pColInfoData, numOfRows, (char*)&vgId, false);
int32_t tableType = pInfo->pCur->mr.me.type;
if (tableType == TSDB_CHILD_TABLE) {
// create time
int64_t ts = pInfo->pCur->mr.me.ctbEntry.ctime;
pColInfoData = taosArrayGet(p->pDataBlock, 2);
colDataAppend(pColInfoData, numOfRows, (char*)&ts, false);
SMetaReader mr = {0};
metaReaderInit(&mr, pInfo->readHandle.meta, 0);
uint64_t suid = pInfo->pCur->mr.me.ctbEntry.suid;
int32_t code = metaGetTableEntryByUid(&mr, suid);
if (code != TSDB_CODE_SUCCESS) {
qError("failed to get super table meta, uid:0x%" PRIx64 ", code:%s, %s", suid, tstrerror(terrno),
GET_TASKID(pTaskInfo));
metaReaderClear(&mr);
metaCloseTbCursor(pInfo->pCur);
pInfo->pCur = NULL;
longjmp(pTaskInfo->env, terrno);
}
// number of columns
pColInfoData = taosArrayGet(p->pDataBlock, 3);
colDataAppend(pColInfoData, numOfRows, (char*)&mr.me.stbEntry.schemaRow.nCols, false);
// super table name
STR_TO_VARSTR(n, mr.me.name);
pColInfoData = taosArrayGet(p->pDataBlock, 4);
colDataAppend(pColInfoData, numOfRows, n, false);
metaReaderClear(&mr);
// table comment
pColInfoData = taosArrayGet(p->pDataBlock, 8);
if (pInfo->pCur->mr.me.ctbEntry.commentLen > 0) {
char comment[TSDB_TB_COMMENT_LEN + VARSTR_HEADER_SIZE] = {0};
STR_TO_VARSTR(comment, pInfo->pCur->mr.me.ctbEntry.comment);
colDataAppend(pColInfoData, numOfRows, comment, false);
} else if (pInfo->pCur->mr.me.ctbEntry.commentLen == 0) {
char comment[VARSTR_HEADER_SIZE + VARSTR_HEADER_SIZE] = {0};
STR_TO_VARSTR(comment, "");
colDataAppend(pColInfoData, numOfRows, comment, false);
} else {
colDataAppendNULL(pColInfoData, numOfRows);
}
// uid
pColInfoData = taosArrayGet(p->pDataBlock, 5);
colDataAppend(pColInfoData, numOfRows, (char*)&pInfo->pCur->mr.me.uid, false);
// ttl
pColInfoData = taosArrayGet(p->pDataBlock, 7);
colDataAppend(pColInfoData, numOfRows, (char*)&pInfo->pCur->mr.me.ctbEntry.ttlDays, false);
STR_TO_VARSTR(n, "CHILD_TABLE");
} else if (tableType == TSDB_NORMAL_TABLE) {
// create time
pColInfoData = taosArrayGet(p->pDataBlock, 2);
colDataAppend(pColInfoData, numOfRows, (char*)&pInfo->pCur->mr.me.ntbEntry.ctime, false);
// number of columns
pColInfoData = taosArrayGet(p->pDataBlock, 3);
colDataAppend(pColInfoData, numOfRows, (char*)&pInfo->pCur->mr.me.ntbEntry.schemaRow.nCols, false);
// super table name
pColInfoData = taosArrayGet(p->pDataBlock, 4);
colDataAppendNULL(pColInfoData, numOfRows);
// table comment
pColInfoData = taosArrayGet(p->pDataBlock, 8);
if (pInfo->pCur->mr.me.ntbEntry.commentLen > 0) {
char comment[TSDB_TB_COMMENT_LEN + VARSTR_HEADER_SIZE] = {0};
STR_TO_VARSTR(comment, pInfo->pCur->mr.me.ntbEntry.comment);
colDataAppend(pColInfoData, numOfRows, comment, false);
} else if (pInfo->pCur->mr.me.ntbEntry.commentLen == 0) {
char comment[VARSTR_HEADER_SIZE + VARSTR_HEADER_SIZE] = {0};
STR_TO_VARSTR(comment, "");
colDataAppend(pColInfoData, numOfRows, comment, false);
} else {
colDataAppendNULL(pColInfoData, numOfRows);
}
// uid
pColInfoData = taosArrayGet(p->pDataBlock, 5);
colDataAppend(pColInfoData, numOfRows, (char*)&pInfo->pCur->mr.me.uid, false);
// ttl
pColInfoData = taosArrayGet(p->pDataBlock, 7);
colDataAppend(pColInfoData, numOfRows, (char*)&pInfo->pCur->mr.me.ntbEntry.ttlDays, false);
STR_TO_VARSTR(n, "NORMAL_TABLE");
}
pColInfoData = taosArrayGet(p->pDataBlock, 9);
colDataAppend(pColInfoData, numOfRows, n, false);
if (++numOfRows >= pOperator->resultInfo.capacity) {
break;
}
}
// todo temporarily free the cursor here, the true reason why the free is not valid needs to be found
if (ret != 0) {
metaCloseTbCursor(pInfo->pCur);
pInfo->pCur = NULL;
doSetOperatorCompleted(pOperator);
}
p->info.rows = numOfRows;
pInfo->pRes->info.rows = numOfRows;
relocateColumnData(pInfo->pRes, pInfo->scanCols, p->pDataBlock, false);
doFilterResult(pInfo);
blockDataDestroy(p);
pInfo->loadInfo.totalRows += pInfo->pRes->info.rows;
return (pInfo->pRes->info.rows == 0) ? NULL : pInfo->pRes;
}
} else { // load the meta from mnode of the given epset
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
while (1) {
int64_t startTs = taosGetTimestampUs();
strncpy(pInfo->req.tb, tNameGetTableName(&pInfo->name), tListLen(pInfo->req.tb));
strcpy(pInfo->req.user, pInfo->pUser);
if (pInfo->showRewrite) {
char dbName[TSDB_DB_NAME_LEN] = {0};
getDBNameFromCondition(pInfo->pCondition, dbName);
sprintf(pInfo->req.db, "%d.%s", pInfo->accountId, dbName);
}
int32_t contLen = tSerializeSRetrieveTableReq(NULL, 0, &pInfo->req);
char* buf1 = taosMemoryCalloc(1, contLen);
tSerializeSRetrieveTableReq(buf1, contLen, &pInfo->req);
// send the fetch remote task result reques
SMsgSendInfo* pMsgSendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
if (NULL == pMsgSendInfo) {
qError("%s prepare message %d failed", GET_TASKID(pTaskInfo), (int32_t)sizeof(SMsgSendInfo));
pTaskInfo->code = TSDB_CODE_QRY_OUT_OF_MEMORY;
return NULL;
}
int32_t msgType = (strcasecmp(name, TSDB_INS_TABLE_DNODE_VARIABLES) == 0) ? TDMT_DND_SYSTABLE_RETRIEVE
: TDMT_MND_SYSTABLE_RETRIEVE;
pMsgSendInfo->param = pOperator;
pMsgSendInfo->msgInfo.pData = buf1;
pMsgSendInfo->msgInfo.len = contLen;
pMsgSendInfo->msgType = msgType;
pMsgSendInfo->fp = loadSysTableCallback;
pMsgSendInfo->requestId = pTaskInfo->id.queryId;
int64_t transporterId = 0;
int32_t code =
asyncSendMsgToServer(pInfo->readHandle.pMsgCb->clientRpc, &pInfo->epSet, &transporterId, pMsgSendInfo);
tsem_wait(&pInfo->ready);
if (pTaskInfo->code) {
qDebug("%s load meta data from mnode failed, totalRows:%" PRIu64 ", code:%s", GET_TASKID(pTaskInfo),
pInfo->loadInfo.totalRows, tstrerror(pTaskInfo->code));
return NULL;
}
SRetrieveMetaTableRsp* pRsp = pInfo->pRsp;
pInfo->req.showId = pRsp->handle;
if (pRsp->numOfRows == 0 || pRsp->completed) {
pOperator->status = OP_EXEC_DONE;
qDebug("%s load meta data from mnode completed, rowsOfSource:%d, totalRows:%" PRIu64, GET_TASKID(pTaskInfo),
pRsp->numOfRows, pInfo->loadInfo.totalRows);
if (pRsp->numOfRows == 0) {
taosMemoryFree(pRsp);
return NULL;
}
}
extractDataBlockFromFetchRsp(pInfo->pRes, &pInfo->loadInfo, pRsp->numOfRows, pRsp->data, pRsp->compLen,
pOperator->exprSupp.numOfExprs, startTs, NULL, pInfo->scanCols);
// todo log the filter info
doFilterResult(pInfo);
taosMemoryFree(pRsp);
if (pInfo->pRes->info.rows > 0) {
return pInfo->pRes;
} else if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
}
}
}
int32_t buildSysDbTableInfo(const SSysTableScanInfo* pInfo, int32_t capacity) {
SSDataBlock* p = buildSysTableMetaBlock();
blockDataEnsureCapacity(p, capacity);
size_t size = 0;
const SSysTableMeta* pSysDbTableMeta = NULL;
getInfosDbMeta(&pSysDbTableMeta, &size);
p->info.rows = buildDbTableInfoBlock(p, pSysDbTableMeta, size, TSDB_INFORMATION_SCHEMA_DB);
getPerfDbMeta(&pSysDbTableMeta, &size);
p->info.rows = buildDbTableInfoBlock(p, pSysDbTableMeta, size, TSDB_PERFORMANCE_SCHEMA_DB);
pInfo->pRes->info.rows = p->info.rows;
relocateColumnData(pInfo->pRes, pInfo->scanCols, p->pDataBlock, false);
blockDataDestroy(p);
return pInfo->pRes->info.rows;
}
int32_t buildDbTableInfoBlock(const SSDataBlock* p, const SSysTableMeta* pSysDbTableMeta, size_t size,
const char* dbName) {
char n[TSDB_TABLE_FNAME_LEN + VARSTR_HEADER_SIZE] = {0};
int32_t numOfRows = p->info.rows;
for (int32_t i = 0; i < size; ++i) {
const SSysTableMeta* pm = &pSysDbTableMeta[i];
SColumnInfoData* pColInfoData = taosArrayGet(p->pDataBlock, 0);
STR_TO_VARSTR(n, pm->name);
colDataAppend(pColInfoData, numOfRows, n, false);
// database name
STR_TO_VARSTR(n, dbName);
pColInfoData = taosArrayGet(p->pDataBlock, 1);
colDataAppend(pColInfoData, numOfRows, n, false);
// create time
pColInfoData = taosArrayGet(p->pDataBlock, 2);
colDataAppendNULL(pColInfoData, numOfRows);
// number of columns
pColInfoData = taosArrayGet(p->pDataBlock, 3);
colDataAppend(pColInfoData, numOfRows, (char*)&pm->colNum, false);
for (int32_t j = 4; j <= 8; ++j) {
pColInfoData = taosArrayGet(p->pDataBlock, j);
colDataAppendNULL(pColInfoData, numOfRows);
}
STR_TO_VARSTR(n, "SYSTEM_TABLE");
pColInfoData = taosArrayGet(p->pDataBlock, 9);
colDataAppend(pColInfoData, numOfRows, n, false);
numOfRows += 1;
}
return numOfRows;
}
SOperatorInfo* createSysTableScanOperatorInfo(void* readHandle, SSystemTableScanPhysiNode* pScanPhyNode,
const char* pUser, SExecTaskInfo* pTaskInfo) {
SSysTableScanInfo* pInfo = taosMemoryCalloc(1, sizeof(SSysTableScanInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
goto _error;
}
SScanPhysiNode* pScanNode = &pScanPhyNode->scan;
SDataBlockDescNode* pDescNode = pScanNode->node.pOutputDataBlockDesc;
SSDataBlock* pResBlock = createResDataBlock(pDescNode);
int32_t num = 0;
SArray* colList = extractColMatchInfo(pScanNode->pScanCols, pDescNode, &num, COL_MATCH_FROM_COL_ID);
pInfo->accountId = pScanPhyNode->accountId;
pInfo->pUser = taosMemoryStrDup((void*)pUser);
pInfo->showRewrite = pScanPhyNode->showRewrite;
pInfo->pRes = pResBlock;
pInfo->pCondition = pScanNode->node.pConditions;
pInfo->scanCols = colList;
initResultSizeInfo(pOperator, 4096);
tNameAssign(&pInfo->name, &pScanNode->tableName);
const char* name = tNameGetTableName(&pInfo->name);
if (strncasecmp(name, TSDB_INS_TABLE_USER_TABLES, TSDB_TABLE_FNAME_LEN) == 0) {
pInfo->readHandle = *(SReadHandle*)readHandle;
blockDataEnsureCapacity(pInfo->pRes, pOperator->resultInfo.capacity);
} else {
tsem_init(&pInfo->ready, 0, 0);
pInfo->epSet = pScanPhyNode->mgmtEpSet;
pInfo->readHandle = *(SReadHandle*)readHandle;
}
pOperator->name = "SysTableScanOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_SYSTABLE_SCAN;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->exprSupp.numOfExprs = taosArrayGetSize(pResBlock->pDataBlock);
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet =
createOperatorFpSet(operatorDummyOpenFn, doSysTableScan, NULL, NULL, destroySysScanOperator, NULL, NULL, NULL);
return pOperator;
_error:
taosMemoryFreeClear(pInfo);
taosMemoryFreeClear(pOperator);
terrno = TSDB_CODE_QRY_OUT_OF_MEMORY;
return NULL;
}
static SSDataBlock* doTagScan(SOperatorInfo* pOperator) {
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
#if 0
int32_t maxNumOfTables = (int32_t)pResultInfo->capacity;
STagScanInfo *pInfo = pOperator->info;
SSDataBlock *pRes = pInfo->pRes;
int32_t count = 0;
SArray* pa = GET_TABLEGROUP(pRuntimeEnv, 0);
int32_t functionId = getExprFunctionId(&pOperator->exprSupp.pExprInfo[0]);
if (functionId == FUNCTION_TID_TAG) { // return the tags & table Id
assert(pQueryAttr->numOfOutput == 1);
SExprInfo* pExprInfo = &pOperator->exprSupp.pExprInfo[0];
int32_t rsize = pExprInfo->base.resSchema.bytes;
count = 0;
int16_t bytes = pExprInfo->base.resSchema.bytes;
int16_t type = pExprInfo->base.resSchema.type;
for(int32_t i = 0; i < pQueryAttr->numOfTags; ++i) {
if (pQueryAttr->tagColList[i].colId == pExprInfo->base.pColumns->info.colId) {
bytes = pQueryAttr->tagColList[i].bytes;
type = pQueryAttr->tagColList[i].type;
break;
}
}
SColumnInfoData* pColInfo = taosArrayGet(pRes->pDataBlock, 0);
while(pInfo->curPos < pInfo->totalTables && count < maxNumOfTables) {
int32_t i = pInfo->curPos++;
STableQueryInfo *item = taosArrayGetP(pa, i);
char *output = pColInfo->pData + count * rsize;
varDataSetLen(output, rsize - VARSTR_HEADER_SIZE);
output = varDataVal(output);
STableId* id = TSDB_TABLEID(item->pTable);
*(int16_t *)output = 0;
output += sizeof(int16_t);
*(int64_t *)output = id->uid; // memory align problem, todo serialize
output += sizeof(id->uid);
*(int32_t *)output = id->tid;
output += sizeof(id->tid);
*(int32_t *)output = pQueryAttr->vgId;
output += sizeof(pQueryAttr->vgId);
char* data = NULL;
if (pExprInfo->base.pColumns->info.colId == TSDB_TBNAME_COLUMN_INDEX) {
data = tsdbGetTableName(item->pTable);
} else {
data = tsdbGetTableTagVal(item->pTable, pExprInfo->base.pColumns->info.colId, type, bytes);
}
doSetTagValueToResultBuf(output, data, type, bytes);
count += 1;
}
//qDebug("QInfo:0x%"PRIx64" create (tableId, tag) info completed, rows:%d", GET_TASKID(pRuntimeEnv), count);
} else if (functionId == FUNCTION_COUNT) {// handle the "count(tbname)" query
SColumnInfoData* pColInfo = taosArrayGet(pRes->pDataBlock, 0);
*(int64_t*)pColInfo->pData = pInfo->totalTables;
count = 1;
pOperator->status = OP_EXEC_DONE;
//qDebug("QInfo:0x%"PRIx64" create count(tbname) query, res:%d rows:1", GET_TASKID(pRuntimeEnv), count);
} else { // return only the tags|table name etc.
#endif
STagScanInfo* pInfo = pOperator->info;
SExprInfo* pExprInfo = &pOperator->exprSupp.pExprInfo[0];
SSDataBlock* pRes = pInfo->pRes;
int32_t size = taosArrayGetSize(pInfo->pTableList->pTableList);
if (size == 0) {
setTaskStatus(pTaskInfo, TASK_COMPLETED);
return NULL;
}
char str[512] = {0};
int32_t count = 0;
SMetaReader mr = {0};
metaReaderInit(&mr, pInfo->readHandle.meta, 0);
while (pInfo->curPos < size && count < pOperator->resultInfo.capacity) {
STableKeyInfo* item = taosArrayGet(pInfo->pTableList->pTableList, pInfo->curPos);
int32_t code = metaGetTableEntryByUid(&mr, item->uid);
if (code != TSDB_CODE_SUCCESS) {
qError("failed to get table meta, uid:0x%" PRIx64 ", code:%s, %s", item->uid, tstrerror(terrno),
GET_TASKID(pTaskInfo));
metaReaderClear(&mr);
longjmp(pTaskInfo->env, terrno);
}
for (int32_t j = 0; j < pOperator->exprSupp.numOfExprs; ++j) {
SColumnInfoData* pDst = taosArrayGet(pRes->pDataBlock, pExprInfo[j].base.resSchema.slotId);
// refactor later
if (fmIsScanPseudoColumnFunc(pExprInfo[j].pExpr->_function.functionId)) {
STR_TO_VARSTR(str, mr.me.name);
colDataAppend(pDst, count, str, false);
} else { // it is a tag value
STagVal val = {0};
val.cid = pExprInfo[j].base.pParam[0].pCol->colId;
const char* p = metaGetTableTagVal(&mr.me, pDst->info.type, &val);
char* data = NULL;
if (pDst->info.type != TSDB_DATA_TYPE_JSON && p != NULL) {
data = tTagValToData((const STagVal*)p, false);
} else {
data = (char*)p;
}
colDataAppend(pDst, count, data,
(data == NULL) || (pDst->info.type == TSDB_DATA_TYPE_JSON && tTagIsJsonNull(data)));
if (pDst->info.type != TSDB_DATA_TYPE_JSON && p != NULL && IS_VAR_DATA_TYPE(((const STagVal*)p)->type) &&
data != NULL) {
taosMemoryFree(data);
}
}
}
count += 1;
if (++pInfo->curPos >= size) {
doSetOperatorCompleted(pOperator);
}
}
metaReaderClear(&mr);
// qDebug("QInfo:0x%"PRIx64" create tag values results completed, rows:%d", GET_TASKID(pRuntimeEnv), count);
if (pOperator->status == OP_EXEC_DONE) {
setTaskStatus(pTaskInfo, TASK_COMPLETED);
}
pRes->info.rows = count;
pOperator->resultInfo.totalRows += count;
return (pRes->info.rows == 0) ? NULL : pInfo->pRes;
}
static void destroyTagScanOperatorInfo(void* param, int32_t numOfOutput) {
STagScanInfo* pInfo = (STagScanInfo*)param;
pInfo->pRes = blockDataDestroy(pInfo->pRes);
taosMemoryFreeClear(param);
}
SOperatorInfo* createTagScanOperatorInfo(SReadHandle* pReadHandle, STagScanPhysiNode* pPhyNode,
STableListInfo* pTableListInfo, SExecTaskInfo* pTaskInfo) {
STagScanInfo* pInfo = taosMemoryCalloc(1, sizeof(STagScanInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
goto _error;
}
SDataBlockDescNode* pDescNode = pPhyNode->node.pOutputDataBlockDesc;
int32_t num = 0;
int32_t numOfExprs = 0;
SExprInfo* pExprInfo = createExprInfo(pPhyNode->pScanPseudoCols, NULL, &numOfExprs);
SArray* colList = extractColMatchInfo(pPhyNode->pScanPseudoCols, pDescNode, &num, COL_MATCH_FROM_COL_ID);
int32_t code = initExprSupp(&pOperator->exprSupp, pExprInfo, numOfExprs);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
pInfo->pTableList = pTableListInfo;
pInfo->pColMatchInfo = colList;
pInfo->pRes = createResDataBlock(pDescNode);
pInfo->readHandle = *pReadHandle;
pInfo->curPos = 0;
pOperator->name = "TagScanOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_TAG_SCAN;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->pTaskInfo = pTaskInfo;
initResultSizeInfo(pOperator, 4096);
blockDataEnsureCapacity(pInfo->pRes, pOperator->resultInfo.capacity);
pOperator->fpSet =
createOperatorFpSet(operatorDummyOpenFn, doTagScan, NULL, NULL, destroyTagScanOperatorInfo, NULL, NULL, NULL);
return pOperator;
_error:
taosMemoryFree(pInfo);
taosMemoryFree(pOperator);
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
typedef struct STableMergeScanInfo {
STableListInfo* tableListInfo;
int32_t tableStartIndex;
int32_t tableEndIndex;
bool hasGroupId;
uint64_t groupId;
SArray* dataReaders; // array of tsdbReaderT*
SReadHandle readHandle;
int32_t bufPageSize;
uint32_t sortBufSize; // max buffer size for in-memory sort
SArray* pSortInfo;
SSortHandle* pSortHandle;
SSDataBlock* pSortInputBlock;
int64_t startTs; // sort start time
SArray* sortSourceParams;
uint64_t queryId;
uint64_t taskId;
SFileBlockLoadRecorder readRecorder;
int64_t numOfRows;
// int32_t prevGroupId; // previous table group id
SScanInfo scanInfo;
int32_t scanTimes;
SNode* pFilterNode; // filter info, which is push down by optimizer
SqlFunctionCtx* pCtx; // which belongs to the direct upstream operator operator query context
SResultRowInfo* pResultRowInfo;
int32_t* rowEntryInfoOffset;
SExprInfo* pExpr;
SSDataBlock* pResBlock;
SArray* pColMatchInfo;
int32_t numOfOutput;
SExprInfo* pPseudoExpr;
int32_t numOfPseudoExpr;
SqlFunctionCtx* pPseudoCtx;
// int32_t* rowEntryInfoOffset;
SQueryTableDataCond cond;
int32_t scanFlag; // table scan flag to denote if it is a repeat/reverse/main scan
int32_t dataBlockLoadFlag;
SInterval interval; // if the upstream is an interval operator, the interval info is also kept here to get the time
// window to check if current data block needs to be loaded.
SSampleExecInfo sample; // sample execution info
} STableMergeScanInfo;
int32_t createScanTableListInfo(SScanPhysiNode* pScanNode, SNodeList* pGroupTags, bool groupSort, SReadHandle* pHandle,
STableListInfo* pTableListInfo, uint64_t queryId, uint64_t taskId) {
int32_t code = getTableList(pHandle->meta, pHandle->vnode, pScanNode, pTableListInfo);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
if (taosArrayGetSize(pTableListInfo->pTableList) == 0) {
qDebug("no table qualified for query, TID:0x%" PRIx64 ", QID:0x%" PRIx64, taskId, queryId);
return TSDB_CODE_SUCCESS;
}
pTableListInfo->needSortTableByGroupId = groupSort;
code = generateGroupIdMap(pTableListInfo, pHandle, pGroupTags);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
return TSDB_CODE_SUCCESS;
}
int32_t createMultipleDataReaders(SQueryTableDataCond* pQueryCond, SReadHandle* pHandle, STableListInfo* pTableListInfo,
int32_t tableStartIdx, int32_t tableEndIdx, SArray* arrayReader, const char* idstr) {
for (int32_t i = tableStartIdx; i <= tableEndIdx; ++i) {
SArray* subTableList = taosArrayInit(1, sizeof(STableKeyInfo));
taosArrayPush(subTableList, taosArrayGet(pTableListInfo->pTableList, i));
STsdbReader* pReader = NULL;
tsdbReaderOpen(pHandle->vnode, pQueryCond, subTableList, &pReader, idstr);
taosArrayPush(arrayReader, &pReader);
taosArrayDestroy(subTableList);
}
return TSDB_CODE_SUCCESS;
}
// todo refactor
static int32_t loadDataBlockFromOneTable(SOperatorInfo* pOperator, STableMergeScanInfo* pTableScanInfo,
int32_t readerIdx, SSDataBlock* pBlock, uint32_t* status) {
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
STableMergeScanInfo* pInfo = pOperator->info;
SFileBlockLoadRecorder* pCost = &pTableScanInfo->readRecorder;
pCost->totalBlocks += 1;
pCost->totalRows += pBlock->info.rows;
*status = pInfo->dataBlockLoadFlag;
if (pTableScanInfo->pFilterNode != NULL ||
overlapWithTimeWindow(&pTableScanInfo->interval, &pBlock->info, pTableScanInfo->cond.order)) {
(*status) = FUNC_DATA_REQUIRED_DATA_LOAD;
}
SDataBlockInfo* pBlockInfo = &pBlock->info;
taosMemoryFreeClear(pBlock->pBlockAgg);
if (*status == FUNC_DATA_REQUIRED_FILTEROUT) {
qDebug("%s data block filter out, brange:%" PRId64 "-%" PRId64 ", rows:%d", GET_TASKID(pTaskInfo),
pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
pCost->filterOutBlocks += 1;
return TSDB_CODE_SUCCESS;
} else if (*status == FUNC_DATA_REQUIRED_NOT_LOAD) {
qDebug("%s data block skipped, brange:%" PRId64 "-%" PRId64 ", rows:%d", GET_TASKID(pTaskInfo),
pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
pCost->skipBlocks += 1;
// clear all data in pBlock that are set when handing the previous block
for (int32_t i = 0; i < taosArrayGetSize(pBlock->pDataBlock); ++i) {
SColumnInfoData* pcol = taosArrayGet(pBlock->pDataBlock, i);
pcol->pData = NULL;
}
return TSDB_CODE_SUCCESS;
} else if (*status == FUNC_DATA_REQUIRED_STATIS_LOAD) {
pCost->loadBlockStatis += 1;
bool allColumnsHaveAgg = true;
SColumnDataAgg** pColAgg = NULL;
STsdbReader* reader = taosArrayGetP(pTableScanInfo->dataReaders, readerIdx);
tsdbRetrieveDatablockSMA(reader, &pColAgg, &allColumnsHaveAgg);
if (allColumnsHaveAgg == true) {
int32_t numOfCols = taosArrayGetSize(pBlock->pDataBlock);
// todo create this buffer during creating operator
if (pBlock->pBlockAgg == NULL) {
pBlock->pBlockAgg = taosMemoryCalloc(numOfCols, POINTER_BYTES);
}
for (int32_t i = 0; i < numOfCols; ++i) {
SColMatchInfo* pColMatchInfo = taosArrayGet(pTableScanInfo->pColMatchInfo, i);
if (!pColMatchInfo->output) {
continue;
}
pBlock->pBlockAgg[pColMatchInfo->targetSlotId] = pColAgg[i];
}
return TSDB_CODE_SUCCESS;
} else { // failed to load the block sma data, data block statistics does not exist, load data block instead
*status = FUNC_DATA_REQUIRED_DATA_LOAD;
}
}
ASSERT(*status == FUNC_DATA_REQUIRED_DATA_LOAD);
// todo filter data block according to the block sma data firstly
#if 0
if (!doFilterByBlockStatistics(pBlock->pBlockStatis, pTableScanInfo->pCtx, pBlockInfo->rows)) {
pCost->filterOutBlocks += 1;
qDebug("%s data block filter out, brange:%" PRId64 "-%" PRId64 ", rows:%d", GET_TASKID(pTaskInfo), pBlockInfo->window.skey,
pBlockInfo->window.ekey, pBlockInfo->rows);
(*status) = FUNC_DATA_REQUIRED_FILTEROUT;
return TSDB_CODE_SUCCESS;
}
#endif
pCost->totalCheckedRows += pBlock->info.rows;
pCost->loadBlocks += 1;
STsdbReader* reader = taosArrayGetP(pTableScanInfo->dataReaders, readerIdx);
SArray* pCols = tsdbRetrieveDataBlock(reader, NULL);
if (pCols == NULL) {
return terrno;
}
relocateColumnData(pBlock, pTableScanInfo->pColMatchInfo, pCols, true);
// currently only the tbname pseudo column
if (pTableScanInfo->numOfPseudoExpr > 0) {
int32_t code = addTagPseudoColumnData(&pTableScanInfo->readHandle, pTableScanInfo->pPseudoExpr,
pTableScanInfo->numOfPseudoExpr, pBlock, GET_TASKID(pTaskInfo));
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
}
int64_t st = taosGetTimestampMs();
doFilter(pTableScanInfo->pFilterNode, pBlock);
int64_t et = taosGetTimestampMs();
pTableScanInfo->readRecorder.filterTime += (et - st);
if (pBlock->info.rows == 0) {
pCost->filterOutBlocks += 1;
qDebug("%s data block filter out, brange:%" PRId64 "-%" PRId64 ", rows:%d", GET_TASKID(pTaskInfo),
pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
}
return TSDB_CODE_SUCCESS;
}
typedef struct STableMergeScanSortSourceParam {
SOperatorInfo* pOperator;
int32_t readerIdx;
SSDataBlock* inputBlock;
} STableMergeScanSortSourceParam;
static SSDataBlock* getTableDataBlock(void* param) {
STableMergeScanSortSourceParam* source = param;
SOperatorInfo* pOperator = source->pOperator;
int32_t readerIdx = source->readerIdx;
SSDataBlock* pBlock = source->inputBlock;
STableMergeScanInfo* pTableScanInfo = pOperator->info;
int64_t st = taosGetTimestampUs();
blockDataCleanup(pBlock);
STsdbReader* reader = taosArrayGetP(pTableScanInfo->dataReaders, readerIdx);
while (tsdbNextDataBlock(reader)) {
if (isTaskKilled(pOperator->pTaskInfo)) {
longjmp(pOperator->pTaskInfo->env, TSDB_CODE_TSC_QUERY_CANCELLED);
}
// process this data block based on the probabilities
bool processThisBlock = processBlockWithProbability(&pTableScanInfo->sample);
if (!processThisBlock) {
continue;
}
blockDataCleanup(pBlock);
SDataBlockInfo binfo = pBlock->info;
tsdbRetrieveDataBlockInfo(reader, &binfo);
blockDataEnsureCapacity(pBlock, binfo.rows);
pBlock->info.type = binfo.type;
pBlock->info.uid = binfo.uid;
pBlock->info.window = binfo.window;
pBlock->info.rows = binfo.rows;
uint32_t status = 0;
int32_t code = loadDataBlockFromOneTable(pOperator, pTableScanInfo, readerIdx, pBlock, &status);
// int32_t code = loadDataBlockOnDemand(pOperator->pRuntimeEnv, pTableScanInfo, pBlock, &status);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pOperator->pTaskInfo->env, code);
}
// current block is filter out according to filter condition, continue load the next block
if (status == FUNC_DATA_REQUIRED_FILTEROUT || pBlock->info.rows == 0) {
continue;
}
uint64_t* groupId = taosHashGet(pOperator->pTaskInfo->tableqinfoList.map, &pBlock->info.uid, sizeof(int64_t));
if (groupId) {
pBlock->info.groupId = *groupId;
}
pOperator->resultInfo.totalRows = pTableScanInfo->readRecorder.totalRows;
pTableScanInfo->readRecorder.elapsedTime += (taosGetTimestampUs() - st) / 1000.0;
return pBlock;
}
return NULL;
}
SArray* generateSortByTsInfo(SArray* colMatchInfo, int32_t order) {
int32_t tsTargetSlotId = 0;
for (int32_t i = 0; i < taosArrayGetSize(colMatchInfo); ++i) {
SColMatchInfo* colInfo = taosArrayGet(colMatchInfo, i);
if (colInfo->colId == PRIMARYKEY_TIMESTAMP_COL_ID) {
tsTargetSlotId = colInfo->targetSlotId;
}
}
SArray* pList = taosArrayInit(1, sizeof(SBlockOrderInfo));
SBlockOrderInfo bi = {0};
bi.order = order;
bi.slotId = tsTargetSlotId;
bi.nullFirst = NULL_ORDER_FIRST;
taosArrayPush(pList, &bi);
return pList;
}
int32_t startGroupTableMergeScan(SOperatorInfo* pOperator) {
STableMergeScanInfo* pInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
{
size_t tableListSize = taosArrayGetSize(pInfo->tableListInfo->pTableList);
int32_t i = pInfo->tableStartIndex + 1;
for (; i < tableListSize; ++i) {
STableKeyInfo* tableKeyInfo = taosArrayGet(pInfo->tableListInfo->pTableList, i);
if (tableKeyInfo->groupId != pInfo->groupId) {
break;
}
}
pInfo->tableEndIndex = i - 1;
}
int32_t tableStartIdx = pInfo->tableStartIndex;
int32_t tableEndIdx = pInfo->tableEndIndex;
STableListInfo* tableListInfo = pInfo->tableListInfo;
createMultipleDataReaders(&pInfo->cond, &pInfo->readHandle, tableListInfo, tableStartIdx, tableEndIdx,
pInfo->dataReaders, GET_TASKID(pTaskInfo));
// todo the total available buffer should be determined by total capacity of buffer of this task.
// the additional one is reserved for merge result
pInfo->sortBufSize = pInfo->bufPageSize * (tableEndIdx - tableStartIdx + 1 + 1);
int32_t numOfBufPage = pInfo->sortBufSize / pInfo->bufPageSize;
pInfo->pSortHandle = tsortCreateSortHandle(pInfo->pSortInfo, SORT_MULTISOURCE_MERGE, pInfo->bufPageSize, numOfBufPage,
pInfo->pSortInputBlock, pTaskInfo->id.str);
tsortSetFetchRawDataFp(pInfo->pSortHandle, getTableDataBlock, NULL, NULL);
size_t numReaders = taosArrayGetSize(pInfo->dataReaders);
for (int32_t i = 0; i < numReaders; ++i) {
STableMergeScanSortSourceParam param = {0};
param.readerIdx = i;
param.pOperator = pOperator;
param.inputBlock = createOneDataBlock(pInfo->pResBlock, false);
taosArrayPush(pInfo->sortSourceParams, &param);
}
for (int32_t i = 0; i < numReaders; ++i) {
SSortSource* ps = taosMemoryCalloc(1, sizeof(SSortSource));
STableMergeScanSortSourceParam* param = taosArrayGet(pInfo->sortSourceParams, i);
ps->param = param;
tsortAddSource(pInfo->pSortHandle, ps);
}
int32_t code = tsortOpen(pInfo->pSortHandle);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, terrno);
}
return TSDB_CODE_SUCCESS;
}
int32_t stopGroupTableMergeScan(SOperatorInfo* pOperator) {
STableMergeScanInfo* pInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
tsortDestroySortHandle(pInfo->pSortHandle);
taosArrayClear(pInfo->sortSourceParams);
for (int32_t i = 0; i < taosArrayGetSize(pInfo->dataReaders); ++i) {
STsdbReader* reader = taosArrayGetP(pInfo->dataReaders, i);
tsdbReaderClose(reader);
}
taosArrayDestroy(pInfo->dataReaders);
pInfo->dataReaders = NULL;
return TSDB_CODE_SUCCESS;
}
SSDataBlock* getSortedTableMergeScanBlockData(SSortHandle* pHandle, int32_t capacity, SOperatorInfo* pOperator) {
STableMergeScanInfo* pInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SSDataBlock* p = tsortGetSortedDataBlock(pHandle);
if (p == NULL) {
return NULL;
}
blockDataEnsureCapacity(p, capacity);
while (1) {
STupleHandle* pTupleHandle = tsortNextTuple(pHandle);
if (pTupleHandle == NULL) {
break;
}
appendOneRowToDataBlock(p, pTupleHandle);
if (p->info.rows >= capacity) {
break;
}
}
qDebug("%s get sorted row blocks, rows:%d", GET_TASKID(pTaskInfo), p->info.rows);
return (p->info.rows > 0) ? p : NULL;
}
SSDataBlock* doTableMergeScan(SOperatorInfo* pOperator) {
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
STableMergeScanInfo* pInfo = pOperator->info;
int32_t code = pOperator->fpSet._openFn(pOperator);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
size_t tableListSize = taosArrayGetSize(pInfo->tableListInfo->pTableList);
if (!pInfo->hasGroupId) {
pInfo->hasGroupId = true;
if (tableListSize == 0) {
doSetOperatorCompleted(pOperator);
return NULL;
}
pInfo->tableStartIndex = 0;
pInfo->groupId = ((STableKeyInfo*)taosArrayGet(pInfo->tableListInfo->pTableList, pInfo->tableStartIndex))->groupId;
startGroupTableMergeScan(pOperator);
}
SSDataBlock* pBlock = NULL;
while (pInfo->tableStartIndex < tableListSize) {
pBlock = getSortedTableMergeScanBlockData(pInfo->pSortHandle, pOperator->resultInfo.capacity, pOperator);
if (pBlock != NULL) {
pBlock->info.groupId = pInfo->groupId;
pOperator->resultInfo.totalRows += pBlock->info.rows;
return pBlock;
} else {
stopGroupTableMergeScan(pOperator);
if (pInfo->tableEndIndex >= tableListSize - 1) {
doSetOperatorCompleted(pOperator);
break;
}
pInfo->tableStartIndex = pInfo->tableEndIndex + 1;
pInfo->groupId =
((STableKeyInfo*)taosArrayGet(pInfo->tableListInfo->pTableList, pInfo->tableStartIndex))->groupId;
startGroupTableMergeScan(pOperator);
}
}
return pBlock;
}
void destroyTableMergeScanOperatorInfo(void* param, int32_t numOfOutput) {
STableMergeScanInfo* pTableScanInfo = (STableMergeScanInfo*)param;
cleanupQueryTableDataCond(&pTableScanInfo->cond);
for (int32_t i = 0; i < taosArrayGetSize(pTableScanInfo->dataReaders); ++i) {
STsdbReader* reader = taosArrayGetP(pTableScanInfo->dataReaders, i);
tsdbReaderClose(reader);
}
taosArrayDestroy(pTableScanInfo->dataReaders);
if (pTableScanInfo->pColMatchInfo != NULL) {
taosArrayDestroy(pTableScanInfo->pColMatchInfo);
}
pTableScanInfo->pResBlock = blockDataDestroy(pTableScanInfo->pResBlock);
pTableScanInfo->pSortInputBlock = blockDataDestroy(pTableScanInfo->pSortInputBlock);
taosArrayDestroy(pTableScanInfo->pSortInfo);
taosMemoryFreeClear(param);
}
typedef struct STableMergeScanExecInfo {
SFileBlockLoadRecorder blockRecorder;
SSortExecInfo sortExecInfo;
} STableMergeScanExecInfo;
int32_t getTableMergeScanExplainExecInfo(SOperatorInfo* pOptr, void** pOptrExplain, uint32_t* len) {
ASSERT(pOptr != NULL);
// TODO: merge these two info into one struct
STableMergeScanExecInfo* execInfo = taosMemoryCalloc(1, sizeof(STableMergeScanExecInfo));
STableMergeScanInfo* pInfo = pOptr->info;
execInfo->blockRecorder = pInfo->readRecorder;
execInfo->sortExecInfo = tsortGetSortExecInfo(pInfo->pSortHandle);
*pOptrExplain = execInfo;
*len = sizeof(STableMergeScanExecInfo);
return TSDB_CODE_SUCCESS;
}
int32_t compareTableKeyInfoByGid(const void* p1, const void* p2) {
const STableKeyInfo* info1 = p1;
const STableKeyInfo* info2 = p2;
return info1->groupId - info2->groupId;
}
SOperatorInfo* createTableMergeScanOperatorInfo(STableScanPhysiNode* pTableScanNode, STableListInfo* pTableListInfo,
SReadHandle* readHandle, SExecTaskInfo* pTaskInfo, uint64_t queryId,
uint64_t taskId) {
STableMergeScanInfo* pInfo = taosMemoryCalloc(1, sizeof(STableMergeScanInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
goto _error;
}
if (pTableScanNode->pGroupTags) {
taosArraySort(pTableListInfo->pTableList, compareTableKeyInfoByGid);
}
SDataBlockDescNode* pDescNode = pTableScanNode->scan.node.pOutputDataBlockDesc;
int32_t numOfCols = 0;
SArray* pColList = extractColMatchInfo(pTableScanNode->scan.pScanCols, pDescNode, &numOfCols, COL_MATCH_FROM_COL_ID);
int32_t code = initQueryTableDataCond(&pInfo->cond, pTableScanNode);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
if (pTableScanNode->scan.pScanPseudoCols != NULL) {
pInfo->pPseudoExpr = createExprInfo(pTableScanNode->scan.pScanPseudoCols, NULL, &pInfo->numOfPseudoExpr);
pInfo->pPseudoCtx = createSqlFunctionCtx(pInfo->pPseudoExpr, pInfo->numOfPseudoExpr, &pInfo->rowEntryInfoOffset);
}
pInfo->scanInfo = (SScanInfo){.numOfAsc = pTableScanNode->scanSeq[0], .numOfDesc = pTableScanNode->scanSeq[1]};
pInfo->readHandle = *readHandle;
pInfo->interval = extractIntervalInfo(pTableScanNode);
pInfo->sample.sampleRatio = pTableScanNode->ratio;
pInfo->sample.seed = taosGetTimestampSec();
pInfo->dataBlockLoadFlag = pTableScanNode->dataRequired;
pInfo->pFilterNode = pTableScanNode->scan.node.pConditions;
pInfo->tableListInfo = pTableListInfo;
pInfo->scanFlag = MAIN_SCAN;
pInfo->pColMatchInfo = pColList;
pInfo->pResBlock = createResDataBlock(pDescNode);
pInfo->dataReaders = taosArrayInit(64, POINTER_BYTES);
pInfo->queryId = queryId;
pInfo->taskId = taskId;
pInfo->sortSourceParams = taosArrayInit(64, sizeof(STableMergeScanSortSourceParam));
pInfo->pSortInfo = generateSortByTsInfo(pInfo->pColMatchInfo, pInfo->cond.order);
pInfo->pSortInputBlock = createOneDataBlock(pInfo->pResBlock, false);
int32_t rowSize = pInfo->pResBlock->info.rowSize;
pInfo->bufPageSize = getProperSortPageSize(rowSize);
pOperator->name = "TableMergeScanOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_TABLE_MERGE_SCAN;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->exprSupp.numOfExprs = numOfCols;
pOperator->pTaskInfo = pTaskInfo;
initResultSizeInfo(pOperator, 1024);
pOperator->fpSet =
createOperatorFpSet(operatorDummyOpenFn, doTableMergeScan, NULL, NULL, destroyTableMergeScanOperatorInfo, NULL,
NULL, getTableMergeScanExplainExecInfo);
pOperator->cost.openCost = 0;
return pOperator;
_error:
pTaskInfo->code = TSDB_CODE_OUT_OF_MEMORY;
taosMemoryFree(pInfo);
taosMemoryFree(pOperator);
return NULL;
}
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