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

3452 lines
130 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "executorInt.h"
#include "filter.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 "query.h"
#include "tcompare.h"
#include "thash.h"
#include "ttypes.h"
#include "operator.h"
#include "querytask.h"
int32_t scanDebug = 0;
#define MULTI_READER_MAX_TABLE_NUM 5000
#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))
typedef struct STableMergeScanExecInfo {
SFileBlockLoadRecorder blockRecorder;
SSortExecInfo sortExecInfo;
} STableMergeScanExecInfo;
typedef struct STableMergeScanSortSourceParam {
SOperatorInfo* pOperator;
int32_t readerIdx;
uint64_t uid;
SSDataBlock* inputBlock;
bool multiReader;
STsdbReader* dataReader;
} STableMergeScanSortSourceParam;
typedef struct STableCountScanOperatorInfo {
SReadHandle readHandle;
SSDataBlock* pRes;
STableCountScanSupp supp;
int32_t currGrpIdx;
SArray* stbUidList; // when group by db_name and/or stable_name
} STableCountScanOperatorInfo;
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 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, NULL);
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) {
w = getAlignQueryTimeWindow(pInterval, pInterval->precision, pBlockInfo->window.skey);
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 (TMAX(w.skey, pBlockInfo->window.skey) <= pBlockInfo->window.ekey) {
return true;
}
}
} else {
w = getAlignQueryTimeWindow(pInterval, pInterval->precision, pBlockInfo->window.ekey);
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 (pBlockInfo->window.skey <= TMIN(w.ekey, pBlockInfo->window.ekey)) {
return true;
}
}
}
return false;
}
// this function is for table scanner to extract temporary results of upstream aggregate results.
static SResultRow* getTableGroupOutputBuf(SOperatorInfo* pOperator, uint64_t groupId, SFilePage** pPage) {
if (pOperator->operatorType != QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN) {
return NULL;
}
int64_t buf[2] = {0};
SET_RES_WINDOW_KEY((char*)buf, &groupId, sizeof(groupId), groupId);
STableScanInfo* pTableScanInfo = pOperator->info;
SResultRowPosition* p1 = (SResultRowPosition*)tSimpleHashGet(pTableScanInfo->base.pdInfo.pAggSup->pResultRowHashTable,
buf, GET_RES_WINDOW_KEY_LEN(sizeof(groupId)));
if (p1 == NULL) {
return NULL;
}
*pPage = getBufPage(pTableScanInfo->base.pdInfo.pAggSup->pResultBuf, p1->pageId);
if (NULL == *pPage) {
return NULL;
}
return (SResultRow*)((char*)(*pPage) + p1->offset);
}
static int32_t doDynamicPruneDataBlock(SOperatorInfo* pOperator, SDataBlockInfo* pBlockInfo, uint32_t* status) {
STableScanInfo* pTableScanInfo = pOperator->info;
if (pTableScanInfo->base.pdInfo.pExprSup == NULL) {
return TSDB_CODE_SUCCESS;
}
SExprSupp* pSup1 = pTableScanInfo->base.pdInfo.pExprSup;
SFilePage* pPage = NULL;
SResultRow* pRow = getTableGroupOutputBuf(pOperator, pBlockInfo->id.groupId, &pPage);
if (pRow == NULL) {
return TSDB_CODE_SUCCESS;
}
bool notLoadBlock = true;
for (int32_t i = 0; i < pSup1->numOfExprs; ++i) {
int32_t functionId = pSup1->pCtx[i].functionId;
SResultRowEntryInfo* pEntry = getResultEntryInfo(pRow, i, pTableScanInfo->base.pdInfo.pExprSup->rowEntryInfoOffset);
int32_t reqStatus = fmFuncDynDataRequired(functionId, pEntry, &pBlockInfo->window);
if (reqStatus != FUNC_DATA_REQUIRED_NOT_LOAD) {
notLoadBlock = false;
break;
}
}
// release buffer pages
releaseBufPage(pTableScanInfo->base.pdInfo.pAggSup->pResultBuf, pPage);
if (notLoadBlock) {
*status = FUNC_DATA_REQUIRED_NOT_LOAD;
}
return TSDB_CODE_SUCCESS;
}
static bool doFilterByBlockSMA(SFilterInfo* pFilterInfo, SColumnDataAgg** pColsAgg, int32_t numOfCols,
int32_t numOfRows) {
if (pColsAgg == NULL || pFilterInfo == NULL) {
return true;
}
bool keep = filterRangeExecute(pFilterInfo, pColsAgg, numOfCols, numOfRows);
return keep;
}
static bool doLoadBlockSMA(STableScanBase* pTableScanInfo, SSDataBlock* pBlock, SExecTaskInfo* pTaskInfo) {
bool allColumnsHaveAgg = true;
int32_t code = tsdbRetrieveDatablockSMA(pTableScanInfo->dataReader, pBlock, &allColumnsHaveAgg);
if (code != TSDB_CODE_SUCCESS) {
T_LONG_JMP(pTaskInfo->env, code);
}
if (!allColumnsHaveAgg) {
return false;
}
return true;
}
static void doSetTagColumnData(STableScanBase* pTableScanInfo, SSDataBlock* pBlock, SExecTaskInfo* pTaskInfo,
int32_t rows) {
if (pTableScanInfo->pseudoSup.numOfExprs > 0) {
SExprSupp* pSup = &pTableScanInfo->pseudoSup;
int32_t code = addTagPseudoColumnData(&pTableScanInfo->readHandle, pSup->pExprInfo, pSup->numOfExprs, pBlock, rows,
GET_TASKID(pTaskInfo), &pTableScanInfo->metaCache);
// ignore the table not exists error, since this table may have been dropped during the scan procedure.
if (code != TSDB_CODE_SUCCESS && code != TSDB_CODE_PAR_TABLE_NOT_EXIST) {
T_LONG_JMP(pTaskInfo->env, code);
}
// reset the error code.
terrno = 0;
}
}
bool applyLimitOffset(SLimitInfo* pLimitInfo, SSDataBlock* pBlock, SExecTaskInfo* pTaskInfo) {
SLimit* pLimit = &pLimitInfo->limit;
const char* id = GET_TASKID(pTaskInfo);
if (pLimitInfo->remainOffset > 0) {
if (pLimitInfo->remainOffset >= pBlock->info.rows) {
pLimitInfo->remainOffset -= pBlock->info.rows;
blockDataEmpty(pBlock);
qDebug("current block ignore due to offset, current:%" PRId64 ", %s", pLimitInfo->remainOffset, id);
return false;
} else {
blockDataTrimFirstRows(pBlock, pLimitInfo->remainOffset);
pLimitInfo->remainOffset = 0;
}
}
if (pLimit->limit != -1 && pLimit->limit <= (pLimitInfo->numOfOutputRows + pBlock->info.rows)) {
// limit the output rows
int32_t keep = (int32_t)(pLimit->limit - pLimitInfo->numOfOutputRows);
blockDataKeepFirstNRows(pBlock, keep);
pLimitInfo->numOfOutputRows += pBlock->info.rows;
qDebug("output limit %" PRId64 " has reached, %s", pLimit->limit, id);
return true;
}
pLimitInfo->numOfOutputRows += pBlock->info.rows;
return false;
}
static int32_t loadDataBlock(SOperatorInfo* pOperator, STableScanBase* pTableScanInfo, SSDataBlock* pBlock,
uint32_t* status) {
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SFileBlockLoadRecorder* pCost = &pTableScanInfo->readRecorder;
pCost->totalBlocks += 1;
pCost->totalRows += pBlock->info.rows;
bool loadSMA = false;
*status = pTableScanInfo->dataBlockLoadFlag;
if (pOperator->exprSupp.pFilterInfo != NULL ||
overlapWithTimeWindow(&pTableScanInfo->pdInfo.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:%" PRId64, GET_TASKID(pTaskInfo),
pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
pCost->filterOutBlocks += 1;
pCost->totalRows += pBlock->info.rows;
tsdbReleaseDataBlock(pTableScanInfo->dataReader);
return TSDB_CODE_SUCCESS;
} else if (*status == FUNC_DATA_REQUIRED_NOT_LOAD) {
qDebug("%s data block skipped, brange:%" PRId64 "-%" PRId64 ", rows:%" PRId64 ", uid:%" PRIu64,
GET_TASKID(pTaskInfo), pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows,
pBlockInfo->id.uid);
doSetTagColumnData(pTableScanInfo, pBlock, pTaskInfo, pBlock->info.rows);
pCost->skipBlocks += 1;
tsdbReleaseDataBlock(pTableScanInfo->dataReader);
return TSDB_CODE_SUCCESS;
} else if (*status == FUNC_DATA_REQUIRED_SMA_LOAD) {
pCost->loadBlockStatis += 1;
loadSMA = true; // mark the operation of load sma;
bool success = doLoadBlockSMA(pTableScanInfo, pBlock, pTaskInfo);
if (success) { // failed to load the block sma data, data block statistics does not exist, load data block instead
qDebug("%s data block SMA loaded, brange:%" PRId64 "-%" PRId64 ", rows:%" PRId64, GET_TASKID(pTaskInfo),
pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
doSetTagColumnData(pTableScanInfo, pBlock, pTaskInfo, pBlock->info.rows);
tsdbReleaseDataBlock(pTableScanInfo->dataReader);
return TSDB_CODE_SUCCESS;
} else {
qDebug("%s failed to load SMA, since not all columns have SMA", GET_TASKID(pTaskInfo));
*status = FUNC_DATA_REQUIRED_DATA_LOAD;
}
}
ASSERT(*status == FUNC_DATA_REQUIRED_DATA_LOAD);
// try to filter data block according to sma info
if (pOperator->exprSupp.pFilterInfo != NULL && (!loadSMA)) {
bool success = doLoadBlockSMA(pTableScanInfo, pBlock, pTaskInfo);
if (success) {
size_t size = taosArrayGetSize(pBlock->pDataBlock);
bool keep = doFilterByBlockSMA(pOperator->exprSupp.pFilterInfo, pBlock->pBlockAgg, size, pBlockInfo->rows);
if (!keep) {
qDebug("%s data block filter out by block SMA, brange:%" PRId64 "-%" PRId64 ", rows:%" PRId64,
GET_TASKID(pTaskInfo), pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
pCost->filterOutBlocks += 1;
(*status) = FUNC_DATA_REQUIRED_FILTEROUT;
tsdbReleaseDataBlock(pTableScanInfo->dataReader);
return TSDB_CODE_SUCCESS;
}
}
}
// free the sma info, since it should not be involved in later computing process.
taosMemoryFreeClear(pBlock->pBlockAgg);
// try to filter data block according to current results
doDynamicPruneDataBlock(pOperator, pBlockInfo, status);
if (*status == FUNC_DATA_REQUIRED_NOT_LOAD) {
qDebug("%s data block skipped due to dynamic prune, brange:%" PRId64 "-%" PRId64 ", rows:%" PRId64,
GET_TASKID(pTaskInfo), pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
pCost->skipBlocks += 1;
tsdbReleaseDataBlock(pTableScanInfo->dataReader);
*status = FUNC_DATA_REQUIRED_FILTEROUT;
return TSDB_CODE_SUCCESS;
}
pCost->totalCheckedRows += pBlock->info.rows;
pCost->loadBlocks += 1;
SSDataBlock* p = tsdbRetrieveDataBlock(pTableScanInfo->dataReader, NULL);
if (p == NULL) {
return terrno;
}
ASSERT(p == pBlock);
doSetTagColumnData(pTableScanInfo, pBlock, pTaskInfo, pBlock->info.rows);
// restore the previous value
pCost->totalRows -= pBlock->info.rows;
if (pOperator->exprSupp.pFilterInfo != NULL) {
int64_t st = taosGetTimestampUs();
doFilter(pBlock, pOperator->exprSupp.pFilterInfo, &pTableScanInfo->matchInfo);
double el = (taosGetTimestampUs() - st) / 1000.0;
pTableScanInfo->readRecorder.filterTime += el;
if (pBlock->info.rows == 0) {
pCost->filterOutBlocks += 1;
qDebug("%s data block filter out, brange:%" PRId64 "-%" PRId64 ", rows:%" PRId64 ", elapsed time:%.2f ms",
GET_TASKID(pTaskInfo), pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows, el);
} else {
qDebug("%s data block filter applied, elapsed time:%.2f ms", GET_TASKID(pTaskInfo), el);
}
}
bool limitReached = applyLimitOffset(&pTableScanInfo->limitInfo, pBlock, pTaskInfo);
if (limitReached) { // set operator flag is done
setOperatorCompleted(pOperator);
}
pCost->totalRows += pBlock->info.rows;
return TSDB_CODE_SUCCESS;
}
static void prepareForDescendingScan(STableScanBase* pTableScanInfo, SqlFunctionCtx* pCtx, int32_t numOfOutput) {
SET_REVERSE_SCAN_FLAG(pTableScanInfo);
switchCtxOrder(pCtx, numOfOutput);
pTableScanInfo->cond.order = TSDB_ORDER_DESC;
STimeWindow* pTWindow = &pTableScanInfo->cond.twindows;
TSWAP(pTWindow->skey, pTWindow->ekey);
}
typedef struct STableCachedVal {
const char* pName;
STag* pTags;
} STableCachedVal;
static void freeTableCachedVal(void* param) {
if (param == NULL) {
return;
}
STableCachedVal* pVal = param;
taosMemoryFree((void*)pVal->pName);
taosMemoryFree(pVal->pTags);
taosMemoryFree(pVal);
}
static STableCachedVal* createTableCacheVal(const SMetaReader* pMetaReader) {
STableCachedVal* pVal = taosMemoryMalloc(sizeof(STableCachedVal));
pVal->pName = taosStrdup(pMetaReader->me.name);
pVal->pTags = NULL;
// only child table has tag value
if (pMetaReader->me.type == TSDB_CHILD_TABLE) {
STag* pTag = (STag*)pMetaReader->me.ctbEntry.pTags;
pVal->pTags = taosMemoryMalloc(pTag->len);
memcpy(pVal->pTags, pTag, pTag->len);
}
return pVal;
}
// const void *key, size_t keyLen, void *value
static void freeCachedMetaItem(const void* key, size_t keyLen, void* value) { freeTableCachedVal(value); }
static void doSetNullValue(SSDataBlock* pBlock, const SExprInfo* pExpr, int32_t numOfExpr) {
for (int32_t j = 0; j < numOfExpr; ++j) {
int32_t dstSlotId = pExpr[j].base.resSchema.slotId;
SColumnInfoData* pColInfoData = taosArrayGet(pBlock->pDataBlock, dstSlotId);
colDataSetNNULL(pColInfoData, 0, pBlock->info.rows);
}
}
int32_t addTagPseudoColumnData(SReadHandle* pHandle, const SExprInfo* pExpr, int32_t numOfExpr, SSDataBlock* pBlock,
int32_t rows, const char* idStr, STableMetaCacheInfo* pCache) {
// currently only the tbname pseudo column
if (numOfExpr <= 0) {
return TSDB_CODE_SUCCESS;
}
int32_t code = 0;
// backup the rows
int32_t backupRows = pBlock->info.rows;
pBlock->info.rows = rows;
bool freeReader = false;
STableCachedVal val = {0};
SMetaReader mr = {0};
LRUHandle* h = NULL;
// todo refactor: extract method
// the handling of the null data should be packed in the extracted method
// 1. check if it is existed in meta cache
if (pCache == NULL) {
metaReaderInit(&mr, pHandle->meta, 0);
code = metaGetTableEntryByUidCache(&mr, pBlock->info.id.uid);
if (code != TSDB_CODE_SUCCESS) {
// when encounter the TSDB_CODE_PAR_TABLE_NOT_EXIST error, we proceed.
if (terrno == TSDB_CODE_PAR_TABLE_NOT_EXIST) {
qWarn("failed to get table meta, table may have been dropped, uid:0x%" PRIx64 ", code:%s, %s",
pBlock->info.id.uid, tstrerror(terrno), idStr);
// append null value before return to caller, since the caller will ignore this error code and proceed
doSetNullValue(pBlock, pExpr, numOfExpr);
} else {
qError("failed to get table meta, uid:0x%" PRIx64 ", code:%s, %s", pBlock->info.id.uid, tstrerror(terrno),
idStr);
}
metaReaderClear(&mr);
return terrno;
}
metaReaderReleaseLock(&mr);
val.pName = mr.me.name;
val.pTags = (STag*)mr.me.ctbEntry.pTags;
freeReader = true;
} else {
pCache->metaFetch += 1;
h = taosLRUCacheLookup(pCache->pTableMetaEntryCache, &pBlock->info.id.uid, sizeof(pBlock->info.id.uid));
if (h == NULL) {
metaReaderInit(&mr, pHandle->meta, 0);
code = metaGetTableEntryByUidCache(&mr, pBlock->info.id.uid);
if (code != TSDB_CODE_SUCCESS) {
if (terrno == TSDB_CODE_PAR_TABLE_NOT_EXIST) {
qWarn("failed to get table meta, table may have been dropped, uid:0x%" PRIx64 ", code:%s, %s",
pBlock->info.id.uid, tstrerror(terrno), idStr);
// append null value before return to caller, since the caller will ignore this error code and proceed
doSetNullValue(pBlock, pExpr, numOfExpr);
} else {
qError("failed to get table meta, uid:0x%" PRIx64 ", code:%s, %s", pBlock->info.id.uid, tstrerror(terrno),
idStr);
}
metaReaderClear(&mr);
return terrno;
}
metaReaderReleaseLock(&mr);
STableCachedVal* pVal = createTableCacheVal(&mr);
val = *pVal;
freeReader = true;
int32_t ret = taosLRUCacheInsert(pCache->pTableMetaEntryCache, &pBlock->info.id.uid, sizeof(uint64_t), pVal,
sizeof(STableCachedVal), freeCachedMetaItem, NULL, TAOS_LRU_PRIORITY_LOW);
if (ret != TAOS_LRU_STATUS_OK) {
qError("failed to put meta into lru cache, code:%d, %s", ret, idStr);
freeTableCachedVal(pVal);
}
} else {
pCache->cacheHit += 1;
STableCachedVal* pVal = taosLRUCacheValue(pCache->pTableMetaEntryCache, h);
val = *pVal;
taosLRUCacheRelease(pCache->pTableMetaEntryCache, h, false);
}
qDebug("retrieve table meta from cache:%" PRIu64 ", hit:%" PRIu64 " miss:%" PRIu64 ", %s", pCache->metaFetch,
pCache->cacheHit, (pCache->metaFetch - pCache->cacheHit), idStr);
}
for (int32_t j = 0; j < numOfExpr; ++j) {
const SExprInfo* pExpr1 = &pExpr[j];
int32_t dstSlotId = pExpr1->base.resSchema.slotId;
SColumnInfoData* pColInfoData = taosArrayGet(pBlock->pDataBlock, dstSlotId);
colInfoDataCleanup(pColInfoData, pBlock->info.rows);
int32_t functionId = pExpr1->pExpr->_function.functionId;
// this is to handle the tbname
if (fmIsScanPseudoColumnFunc(functionId)) {
setTbNameColData(pBlock, pColInfoData, functionId, val.pName);
} else { // these are tags
STagVal tagVal = {0};
tagVal.cid = pExpr1->base.pParam[0].pCol->colId;
const char* p = metaGetTableTagVal(val.pTags, 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;
}
bool isNullVal = (data == NULL) || (pColInfoData->info.type == TSDB_DATA_TYPE_JSON && tTagIsJsonNull(data));
if (isNullVal) {
colDataSetNNULL(pColInfoData, 0, pBlock->info.rows);
} else if (pColInfoData->info.type != TSDB_DATA_TYPE_JSON) {
code = colDataSetNItems(pColInfoData, 0, data, pBlock->info.rows, false);
if (IS_VAR_DATA_TYPE(((const STagVal*)p)->type)) {
taosMemoryFree(data);
}
if (code) {
if (freeReader) {
metaReaderClear(&mr);
}
return code;
}
} else { // todo opt for json tag
for (int32_t i = 0; i < pBlock->info.rows; ++i) {
colDataSetVal(pColInfoData, i, data, false);
}
}
}
}
// restore the rows
pBlock->info.rows = backupRows;
if (freeReader) {
metaReaderClear(&mr);
}
return TSDB_CODE_SUCCESS;
}
void setTbNameColData(const SSDataBlock* pBlock, SColumnInfoData* pColInfoData, int32_t functionId, const char* name) {
struct SScalarFuncExecFuncs fpSet = {0};
fmGetScalarFuncExecFuncs(functionId, &fpSet);
size_t len = TSDB_TABLE_FNAME_LEN + VARSTR_HEADER_SIZE;
char buf[TSDB_TABLE_FNAME_LEN + VARSTR_HEADER_SIZE] = {0};
STR_TO_VARSTR(buf, name)
SColumnInfoData infoData = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, len, 1);
colInfoDataEnsureCapacity(&infoData, 1, false);
colDataSetVal(&infoData, 0, buf, false);
SScalarParam srcParam = {.numOfRows = pBlock->info.rows, .columnData = &infoData};
SScalarParam param = {.columnData = pColInfoData};
if (fpSet.process != NULL) {
fpSet.process(&srcParam, 1, &param);
} else {
qError("failed to get the corresponding callback function, functionId:%d", functionId);
}
colDataDestroy(&infoData);
}
static SSDataBlock* doTableScanImpl(SOperatorInfo* pOperator) {
STableScanInfo* pTableScanInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SSDataBlock* pBlock = pTableScanInfo->pResBlock;
bool hasNext = false;
int32_t code = TSDB_CODE_SUCCESS;
int64_t st = taosGetTimestampUs();
while (true) {
code = tsdbNextDataBlock(pTableScanInfo->base.dataReader, &hasNext);
if (code) {
tsdbReleaseDataBlock(pTableScanInfo->base.dataReader);
T_LONG_JMP(pTaskInfo->env, code);
}
if (!hasNext) {
break;
}
if (isTaskKilled(pTaskInfo)) {
tsdbReleaseDataBlock(pTableScanInfo->base.dataReader);
T_LONG_JMP(pTaskInfo->env, pTaskInfo->code);
}
if (pOperator->status == OP_EXEC_DONE) {
tsdbReleaseDataBlock(pTableScanInfo->base.dataReader);
break;
}
// process this data block based on the probabilities
bool processThisBlock = processBlockWithProbability(&pTableScanInfo->sample);
if (!processThisBlock) {
continue;
}
if (pBlock->info.id.uid) {
pBlock->info.id.groupId = getTableGroupId(pTableScanInfo->base.pTableListInfo, pBlock->info.id.uid);
}
uint32_t status = 0;
code = loadDataBlock(pOperator, &pTableScanInfo->base, pBlock, &status);
if (code != TSDB_CODE_SUCCESS) {
T_LONG_JMP(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;
}
pOperator->resultInfo.totalRows = pTableScanInfo->base.readRecorder.totalRows;
pTableScanInfo->base.readRecorder.elapsedTime += (taosGetTimestampUs() - st) / 1000.0;
pOperator->cost.totalCost = pTableScanInfo->base.readRecorder.elapsedTime;
// todo refactor
/*pTableScanInfo->lastStatus.uid = pBlock->info.id.uid;*/
/*pTableScanInfo->lastStatus.ts = pBlock->info.window.ekey;*/
// pTaskInfo->streamInfo.lastStatus.type = TMQ_OFFSET__SNAPSHOT_DATA;
// pTaskInfo->streamInfo.lastStatus.uid = pBlock->info.id.uid;
// pTaskInfo->streamInfo.lastStatus.ts = pBlock->info.window.ekey;
return pBlock;
}
return NULL;
}
static SSDataBlock* doGroupedTableScan(SOperatorInfo* pOperator) {
STableScanInfo* pTableScanInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
// The read handle is not initialized yet, since no qualified tables exists
if (pTableScanInfo->base.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) {
return p;
}
pTableScanInfo->scanTimes += 1;
if (pTableScanInfo->scanTimes < pTableScanInfo->scanInfo.numOfAsc) {
setTaskStatus(pTaskInfo, TASK_NOT_COMPLETED);
pTableScanInfo->base.scanFlag = MAIN_SCAN;
pTableScanInfo->base.dataBlockLoadFlag = FUNC_DATA_REQUIRED_DATA_LOAD;
qDebug("start to repeat ascending order scan data blocks due to query func required, %s", GET_TASKID(pTaskInfo));
// do prepare for the next round table scan operation
tsdbReaderReset(pTableScanInfo->base.dataReader, &pTableScanInfo->base.cond);
}
}
int32_t total = pTableScanInfo->scanInfo.numOfAsc + pTableScanInfo->scanInfo.numOfDesc;
if (pTableScanInfo->scanTimes < total) {
if (pTableScanInfo->base.cond.order == TSDB_ORDER_ASC) {
prepareForDescendingScan(&pTableScanInfo->base, pOperator->exprSupp.pCtx, 0);
tsdbReaderReset(pTableScanInfo->base.dataReader, &pTableScanInfo->base.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->base.scanFlag = MAIN_SCAN;
qDebug("%s start to repeat descending order scan data blocks", GET_TASKID(pTaskInfo));
tsdbReaderReset(pTableScanInfo->base.dataReader, &pTableScanInfo->base.cond);
}
}
}
return NULL;
}
static SSDataBlock* doTableScan(SOperatorInfo* pOperator) {
STableScanInfo* pInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
// scan table one by one sequentially
if (pInfo->scanMode == TABLE_SCAN__TABLE_ORDER) {
int32_t numOfTables = 0; // tableListGetSize(pTaskInfo->pTableListInfo);
STableKeyInfo tInfo = {0};
while (1) {
SSDataBlock* result = doGroupedTableScan(pOperator);
if (result || (pOperator->status == OP_EXEC_DONE) || isTaskKilled(pTaskInfo)) {
return result;
}
// if no data, switch to next table and continue scan
pInfo->currentTable++;
taosRLockLatch(&pTaskInfo->lock);
numOfTables = tableListGetSize(pInfo->base.pTableListInfo);
if (pInfo->currentTable >= numOfTables) {
qDebug("all table checked in table list, total:%d, return NULL, %s", numOfTables, GET_TASKID(pTaskInfo));
taosRUnLockLatch(&pTaskInfo->lock);
return NULL;
}
tInfo = *(STableKeyInfo*)tableListGetInfo(pInfo->base.pTableListInfo, pInfo->currentTable);
taosRUnLockLatch(&pTaskInfo->lock);
tsdbSetTableList(pInfo->base.dataReader, &tInfo, 1);
qDebug("set uid:%" PRIu64 " into scanner, total tables:%d, index:%d/%d %s", tInfo.uid, numOfTables,
pInfo->currentTable, numOfTables, GET_TASKID(pTaskInfo));
tsdbReaderReset(pInfo->base.dataReader, &pInfo->base.cond);
pInfo->scanTimes = 0;
}
} else { // scan table group by group sequentially
if (pInfo->currentGroupId == -1) {
if ((++pInfo->currentGroupId) >= tableListGetOutputGroups(pInfo->base.pTableListInfo)) {
setOperatorCompleted(pOperator);
return NULL;
}
int32_t num = 0;
STableKeyInfo* pList = NULL;
tableListGetGroupList(pInfo->base.pTableListInfo, pInfo->currentGroupId, &pList, &num);
ASSERT(pInfo->base.dataReader == NULL);
int32_t code = tsdbReaderOpen(pInfo->base.readHandle.vnode, &pInfo->base.cond, pList, num, pInfo->pResBlock,
(STsdbReader**)&pInfo->base.dataReader, GET_TASKID(pTaskInfo), pInfo->countOnly);
if (code != TSDB_CODE_SUCCESS) {
T_LONG_JMP(pTaskInfo->env, code);
}
if (pInfo->pResBlock->info.capacity > pOperator->resultInfo.capacity) {
pOperator->resultInfo.capacity = pInfo->pResBlock->info.capacity;
}
}
SSDataBlock* result = doGroupedTableScan(pOperator);
if (result != NULL) {
return result;
}
if ((++pInfo->currentGroupId) >= tableListGetOutputGroups(pInfo->base.pTableListInfo)) {
setOperatorCompleted(pOperator);
return NULL;
}
// reset value for the next group data output
pOperator->status = OP_OPENED;
resetLimitInfoForNextGroup(&pInfo->base.limitInfo);
int32_t num = 0;
STableKeyInfo* pList = NULL;
tableListGetGroupList(pInfo->base.pTableListInfo, pInfo->currentGroupId, &pList, &num);
tsdbSetTableList(pInfo->base.dataReader, pList, num);
tsdbReaderReset(pInfo->base.dataReader, &pInfo->base.cond);
pInfo->scanTimes = 0;
result = doGroupedTableScan(pOperator);
if (result != NULL) {
return result;
}
setOperatorCompleted(pOperator);
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->base.readRecorder;
*pOptrExplain = pRecorder;
*len = sizeof(SFileBlockLoadRecorder);
return 0;
}
static void destroyTableScanBase(STableScanBase* pBase) {
cleanupQueryTableDataCond(&pBase->cond);
tsdbReaderClose(pBase->dataReader);
pBase->dataReader = NULL;
if (pBase->matchInfo.pList != NULL) {
taosArrayDestroy(pBase->matchInfo.pList);
}
tableListDestroy(pBase->pTableListInfo);
taosLRUCacheCleanup(pBase->metaCache.pTableMetaEntryCache);
cleanupExprSupp(&pBase->pseudoSup);
}
static void destroyTableScanOperatorInfo(void* param) {
STableScanInfo* pTableScanInfo = (STableScanInfo*)param;
blockDataDestroy(pTableScanInfo->pResBlock);
destroyTableScanBase(&pTableScanInfo->base);
taosMemoryFreeClear(param);
}
SOperatorInfo* createTableScanOperatorInfo(STableScanPhysiNode* pTableScanNode, SReadHandle* readHandle,
STableListInfo* pTableListInfo, SExecTaskInfo* pTaskInfo) {
int32_t code = 0;
STableScanInfo* pInfo = taosMemoryCalloc(1, sizeof(STableScanInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _error;
}
SScanPhysiNode* pScanNode = &pTableScanNode->scan;
SDataBlockDescNode* pDescNode = pScanNode->node.pOutputDataBlockDesc;
int32_t numOfCols = 0;
code =
extractColMatchInfo(pScanNode->pScanCols, pDescNode, &numOfCols, COL_MATCH_FROM_COL_ID, &pInfo->base.matchInfo);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
initLimitInfo(pScanNode->node.pLimit, pScanNode->node.pSlimit, &pInfo->base.limitInfo);
code = initQueryTableDataCond(&pInfo->base.cond, pTableScanNode);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
if (pScanNode->pScanPseudoCols != NULL) {
SExprSupp* pSup = &pInfo->base.pseudoSup;
pSup->pExprInfo = createExprInfo(pScanNode->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->base.scanFlag = (pInfo->scanInfo.numOfAsc > 1) ? PRE_SCAN : MAIN_SCAN;
pInfo->base.pdInfo.interval = extractIntervalInfo(pTableScanNode);
pInfo->base.readHandle = *readHandle;
pInfo->base.dataBlockLoadFlag = pTableScanNode->dataRequired;
pInfo->sample.sampleRatio = pTableScanNode->ratio;
pInfo->sample.seed = taosGetTimestampSec();
initResultSizeInfo(&pOperator->resultInfo, 4096);
pInfo->pResBlock = createDataBlockFromDescNode(pDescNode);
// blockDataEnsureCapacity(pInfo->pResBlock, pOperator->resultInfo.capacity);
code = filterInitFromNode((SNode*)pTableScanNode->scan.node.pConditions, &pOperator->exprSupp.pFilterInfo, 0);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
pInfo->currentGroupId = -1;
pInfo->assignBlockUid = pTableScanNode->assignBlockUid;
pInfo->hasGroupByTag = pTableScanNode->pGroupTags ? true : false;
setOperatorInfo(pOperator, "TableScanOperator", QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN, false, OP_NOT_OPENED, pInfo,
pTaskInfo);
pOperator->exprSupp.numOfExprs = numOfCols;
pInfo->base.pTableListInfo = pTableListInfo;
pInfo->base.metaCache.pTableMetaEntryCache = taosLRUCacheInit(1024 * 128, -1, .5);
if (pInfo->base.metaCache.pTableMetaEntryCache == NULL) {
code = terrno;
goto _error;
}
if (scanDebug) {
pInfo->countOnly = true;
}
taosLRUCacheSetStrictCapacity(pInfo->base.metaCache.pTableMetaEntryCache, false);
pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doTableScan, NULL, destroyTableScanOperatorInfo,
optrDefaultBufFn, getTableScannerExecInfo);
// for non-blocking operator, the open cost is always 0
pOperator->cost.openCost = 0;
return pOperator;
_error:
if (pInfo != NULL) {
destroyTableScanOperatorInfo(pInfo);
}
taosMemoryFreeClear(pOperator);
pTaskInfo->code = code;
return NULL;
}
SOperatorInfo* createTableSeqScanOperatorInfo(void* pReadHandle, SExecTaskInfo* pTaskInfo) {
STableScanInfo* pInfo = taosMemoryCalloc(1, sizeof(STableScanInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
pInfo->base.dataReader = pReadHandle;
// pInfo->prevGroupId = -1;
setOperatorInfo(pOperator, "TableSeqScanOperator", QUERY_NODE_PHYSICAL_PLAN_TABLE_SEQ_SCAN, false, OP_NOT_OPENED,
pInfo, pTaskInfo);
pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doTableScanImpl, NULL, NULL, optrDefaultBufFn, NULL);
return pOperator;
}
FORCE_INLINE void doClearBufferedBlocks(SStreamScanInfo* pInfo) {
qDebug("clear buff blocks:%d", (int32_t)taosArrayGetSize(pInfo->pBlockLists));
taosArrayClear(pInfo->pBlockLists);
pInfo->validBlockIndex = 0;
}
static bool isSessionWindow(SStreamScanInfo* pInfo) {
return pInfo->windowSup.parentType == QUERY_NODE_PHYSICAL_PLAN_STREAM_SESSION;
}
static bool isStateWindow(SStreamScanInfo* pInfo) {
return pInfo->windowSup.parentType == QUERY_NODE_PHYSICAL_PLAN_STREAM_STATE;
}
static bool isIntervalWindow(SStreamScanInfo* pInfo) {
return pInfo->windowSup.parentType == QUERY_NODE_PHYSICAL_PLAN_STREAM_INTERVAL ||
pInfo->windowSup.parentType == QUERY_NODE_PHYSICAL_PLAN_STREAM_SEMI_INTERVAL ||
pInfo->windowSup.parentType == QUERY_NODE_PHYSICAL_PLAN_STREAM_FINAL_INTERVAL;
}
static bool isSignleIntervalWindow(SStreamScanInfo* pInfo) {
return pInfo->windowSup.parentType == QUERY_NODE_PHYSICAL_PLAN_STREAM_INTERVAL;
}
static bool isSlidingWindow(SStreamScanInfo* pInfo) {
return isIntervalWindow(pInfo) && pInfo->interval.interval != pInfo->interval.sliding;
}
static void setGroupId(SStreamScanInfo* pInfo, SSDataBlock* pBlock, int32_t groupColIndex, int32_t rowIndex) {
SColumnInfoData* pColInfo = taosArrayGet(pBlock->pDataBlock, groupColIndex);
uint64_t* groupCol = (uint64_t*)pColInfo->pData;
ASSERT(rowIndex < pBlock->info.rows);
pInfo->groupId = groupCol[rowIndex];
}
void resetTableScanInfo(STableScanInfo* pTableScanInfo, STimeWindow* pWin) {
pTableScanInfo->base.cond.twindows = *pWin;
pTableScanInfo->scanTimes = 0;
pTableScanInfo->currentGroupId = -1;
tsdbReaderClose(pTableScanInfo->base.dataReader);
qDebug("1");
pTableScanInfo->base.dataReader = NULL;
}
static SSDataBlock* readPreVersionData(SOperatorInfo* pTableScanOp, uint64_t tbUid, TSKEY startTs, TSKEY endTs,
int64_t maxVersion) {
STableKeyInfo tblInfo = {.uid = tbUid, .groupId = 0};
STableScanInfo* pTableScanInfo = pTableScanOp->info;
SQueryTableDataCond cond = pTableScanInfo->base.cond;
cond.startVersion = -1;
cond.endVersion = maxVersion;
cond.twindows = (STimeWindow){.skey = startTs, .ekey = endTs};
SExecTaskInfo* pTaskInfo = pTableScanOp->pTaskInfo;
SSDataBlock* pBlock = pTableScanInfo->pResBlock;
STsdbReader* pReader = NULL;
int32_t code = tsdbReaderOpen(pTableScanInfo->base.readHandle.vnode, &cond, &tblInfo, 1, pBlock,
(STsdbReader**)&pReader, GET_TASKID(pTaskInfo), false);
if (code != TSDB_CODE_SUCCESS) {
terrno = code;
T_LONG_JMP(pTaskInfo->env, code);
return NULL;
}
bool hasNext = false;
code = tsdbNextDataBlock(pReader, &hasNext);
if (code != TSDB_CODE_SUCCESS) {
terrno = code;
T_LONG_JMP(pTaskInfo->env, code);
return NULL;
}
if (hasNext) {
/*SSDataBlock* p = */ tsdbRetrieveDataBlock(pReader, NULL);
doSetTagColumnData(&pTableScanInfo->base, pBlock, pTaskInfo, pBlock->info.rows);
pBlock->info.id.groupId = getTableGroupId(pTableScanInfo->base.pTableListInfo, pBlock->info.id.uid);
}
tsdbReaderClose(pReader);
qDebug("retrieve prev rows:%" PRId64 ", skey:%" PRId64 ", ekey:%" PRId64 " uid:%" PRIu64 ", max ver:%" PRId64
", suid:%" PRIu64,
pBlock->info.rows, startTs, endTs, tbUid, maxVersion, cond.suid);
return pBlock->info.rows > 0 ? pBlock : NULL;
}
static uint64_t getGroupIdByCol(SStreamScanInfo* pInfo, uint64_t uid, TSKEY ts, int64_t maxVersion) {
SSDataBlock* pPreRes = readPreVersionData(pInfo->pTableScanOp, uid, ts, ts, maxVersion);
if (!pPreRes || pPreRes->info.rows == 0) {
return 0;
}
ASSERT(pPreRes->info.rows == 1);
return calGroupIdByData(&pInfo->partitionSup, pInfo->pPartScalarSup, pPreRes, 0);
}
static uint64_t getGroupIdByUid(SStreamScanInfo* pInfo, uint64_t uid) {
STableScanInfo* pTableScanInfo = pInfo->pTableScanOp->info;
return getTableGroupId(pTableScanInfo->base.pTableListInfo, uid);
}
static uint64_t getGroupIdByData(SStreamScanInfo* pInfo, uint64_t uid, TSKEY ts, int64_t maxVersion) {
if (pInfo->partitionSup.needCalc) {
return getGroupIdByCol(pInfo, uid, ts, maxVersion);
}
return getGroupIdByUid(pInfo, uid);
}
static bool prepareRangeScan(SStreamScanInfo* pInfo, SSDataBlock* pBlock, int32_t* pRowIndex) {
if (pBlock->info.rows == 0) {
return false;
}
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]};
SColumnInfoData* pGpCol = taosArrayGet(pBlock->pDataBlock, GROUPID_COLUMN_INDEX);
uint64_t* gpData = (uint64_t*)pGpCol->pData;
uint64_t groupId = gpData[*pRowIndex];
SColumnInfoData* pCalStartTsCol = taosArrayGet(pBlock->pDataBlock, CALCULATE_START_TS_COLUMN_INDEX);
TSKEY* calStartData = (TSKEY*)pCalStartTsCol->pData;
SColumnInfoData* pCalEndTsCol = taosArrayGet(pBlock->pDataBlock, CALCULATE_END_TS_COLUMN_INDEX);
TSKEY* calEndData = (TSKEY*)pCalEndTsCol->pData;
setGroupId(pInfo, pBlock, GROUPID_COLUMN_INDEX, *pRowIndex);
if (isSlidingWindow(pInfo)) {
pInfo->updateWin.skey = calStartData[*pRowIndex];
pInfo->updateWin.ekey = calEndData[*pRowIndex];
}
(*pRowIndex)++;
for (; *pRowIndex < pBlock->info.rows; (*pRowIndex)++) {
if (win.skey == startData[*pRowIndex] && groupId == gpData[*pRowIndex]) {
win.ekey = TMAX(win.ekey, endData[*pRowIndex]);
continue;
}
if (win.skey == endData[*pRowIndex] && groupId == gpData[*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* startTsCol, TSKEY* endTsCol, uint64_t* gpIdCol, SInterval* pInterval,
SDataBlockInfo* pDataBlockInfo, int32_t* pRowIndex, bool hasGroup) {
SResultRowInfo dumyInfo = {0};
dumyInfo.cur.pageId = -1;
STimeWindow win = getActiveTimeWindow(NULL, &dumyInfo, startTsCol[*pRowIndex], pInterval, TSDB_ORDER_ASC);
STimeWindow endWin = win;
STimeWindow preWin = win;
uint64_t groupId = gpIdCol[*pRowIndex];
while (1) {
if (hasGroup) {
(*pRowIndex) += 1;
} else {
while ((groupId == gpIdCol[(*pRowIndex)] && startTsCol[*pRowIndex] <= endWin.ekey)) {
(*pRowIndex) += 1;
if ((*pRowIndex) == pDataBlockInfo->rows) {
break;
}
}
}
do {
preWin = endWin;
getNextTimeWindow(pInterval, &endWin, TSDB_ORDER_ASC);
} while (endTsCol[(*pRowIndex) - 1] >= endWin.skey);
endWin = preWin;
if (win.ekey == endWin.ekey || (*pRowIndex) == pDataBlockInfo->rows || groupId != gpIdCol[*pRowIndex]) {
win.ekey = endWin.ekey;
return win;
}
win.ekey = endWin.ekey;
}
}
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;
pInfo->updateWin = (STimeWindow){.skey = INT64_MIN, .ekey = INT64_MAX};
STableScanInfo* pTableScanInfo = pInfo->pTableScanOp->info;
tsdbReaderClose(pTableScanInfo->base.dataReader);
qDebug("2");
pTableScanInfo->base.dataReader = NULL;
return NULL;
}
doFilter(pResult, pInfo->pTableScanOp->exprSupp.pFilterInfo, NULL);
if (pResult->info.rows == 0) {
continue;
}
if (pInfo->partitionSup.needCalc) {
SSDataBlock* tmpBlock = createOneDataBlock(pResult, true);
blockDataCleanup(pResult);
for (int32_t i = 0; i < tmpBlock->info.rows; i++) {
if (calGroupIdByData(&pInfo->partitionSup, pInfo->pPartScalarSup, tmpBlock, i) == pInfo->groupId) {
for (int32_t j = 0; j < pInfo->pTableScanOp->exprSupp.numOfExprs; j++) {
SColumnInfoData* pSrcCol = taosArrayGet(tmpBlock->pDataBlock, j);
SColumnInfoData* pDestCol = taosArrayGet(pResult->pDataBlock, j);
bool isNull = colDataIsNull(pSrcCol, tmpBlock->info.rows, i, NULL);
char* pSrcData = colDataGetData(pSrcCol, i);
colDataSetVal(pDestCol, pResult->info.rows, pSrcData, isNull);
}
pResult->info.rows++;
}
}
blockDataDestroy(tmpBlock);
if (pResult->info.rows > 0) {
pResult->info.calWin = pInfo->updateWin;
return pResult;
}
} else if (pResult->info.id.groupId == pInfo->groupId) {
pResult->info.calWin = pInfo->updateWin;
return pResult;
}
}
}
static int32_t getPreSessionWindow(SStreamAggSupporter* pAggSup, TSKEY startTs, TSKEY endTs, uint64_t groupId,
SSessionKey* pKey) {
pKey->win.skey = startTs;
pKey->win.ekey = endTs;
pKey->groupId = groupId;
SStreamStateCur* pCur = streamStateSessionSeekKeyCurrentPrev(pAggSup->pState, pKey);
int32_t code = streamStateSessionGetKVByCur(pCur, pKey, NULL, 0);
if (code != TSDB_CODE_SUCCESS) {
SET_SESSION_WIN_KEY_INVALID(pKey);
}
taosMemoryFree(pCur);
return code;
}
static int32_t generateSessionScanRange(SStreamScanInfo* pInfo, SSDataBlock* pSrcBlock, SSDataBlock* pDestBlock) {
blockDataCleanup(pDestBlock);
if (pSrcBlock->info.rows == 0) {
return TSDB_CODE_SUCCESS;
}
int32_t code = blockDataEnsureCapacity(pDestBlock, pSrcBlock->info.rows);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
ASSERT(taosArrayGetSize(pSrcBlock->pDataBlock) >= 3);
SColumnInfoData* pStartTsCol = taosArrayGet(pSrcBlock->pDataBlock, START_TS_COLUMN_INDEX);
TSKEY* startData = (TSKEY*)pStartTsCol->pData;
SColumnInfoData* pEndTsCol = taosArrayGet(pSrcBlock->pDataBlock, END_TS_COLUMN_INDEX);
TSKEY* endData = (TSKEY*)pEndTsCol->pData;
SColumnInfoData* pUidCol = taosArrayGet(pSrcBlock->pDataBlock, UID_COLUMN_INDEX);
uint64_t* uidCol = (uint64_t*)pUidCol->pData;
SColumnInfoData* pDestStartCol = taosArrayGet(pDestBlock->pDataBlock, START_TS_COLUMN_INDEX);
SColumnInfoData* pDestEndCol = taosArrayGet(pDestBlock->pDataBlock, END_TS_COLUMN_INDEX);
SColumnInfoData* pDestUidCol = taosArrayGet(pDestBlock->pDataBlock, UID_COLUMN_INDEX);
SColumnInfoData* pDestGpCol = taosArrayGet(pDestBlock->pDataBlock, GROUPID_COLUMN_INDEX);
SColumnInfoData* pDestCalStartTsCol = taosArrayGet(pDestBlock->pDataBlock, CALCULATE_START_TS_COLUMN_INDEX);
SColumnInfoData* pDestCalEndTsCol = taosArrayGet(pDestBlock->pDataBlock, CALCULATE_END_TS_COLUMN_INDEX);
int64_t version = pSrcBlock->info.version - 1;
for (int32_t i = 0; i < pSrcBlock->info.rows; i++) {
uint64_t groupId = getGroupIdByData(pInfo, uidCol[i], startData[i], version);
// gap must be 0.
SSessionKey startWin = {0};
getCurSessionWindow(pInfo->windowSup.pStreamAggSup, startData[i], startData[i], groupId, &startWin);
if (IS_INVALID_SESSION_WIN_KEY(startWin)) {
// window has been closed.
continue;
}
SSessionKey endWin = {0};
getCurSessionWindow(pInfo->windowSup.pStreamAggSup, endData[i], endData[i], groupId, &endWin);
if (IS_INVALID_SESSION_WIN_KEY(endWin)) {
getPreSessionWindow(pInfo->windowSup.pStreamAggSup, endData[i], endData[i], groupId, &endWin);
}
if (IS_INVALID_SESSION_WIN_KEY(startWin)) {
// window has been closed.
qError("generate session scan range failed. rang start:%" PRIx64 ", end:%" PRIx64, startData[i], endData[i]);
continue;
}
colDataSetVal(pDestStartCol, i, (const char*)&startWin.win.skey, false);
colDataSetVal(pDestEndCol, i, (const char*)&endWin.win.ekey, false);
colDataSetNULL(pDestUidCol, i);
colDataSetVal(pDestGpCol, i, (const char*)&groupId, false);
colDataSetNULL(pDestCalStartTsCol, i);
colDataSetNULL(pDestCalEndTsCol, i);
pDestBlock->info.rows++;
}
return TSDB_CODE_SUCCESS;
}
static int32_t generateIntervalScanRange(SStreamScanInfo* pInfo, SSDataBlock* pSrcBlock, SSDataBlock* pDestBlock) {
blockDataCleanup(pDestBlock);
int32_t rows = pSrcBlock->info.rows;
if (rows == 0) {
return TSDB_CODE_SUCCESS;
}
SColumnInfoData* pSrcStartTsCol = (SColumnInfoData*)taosArrayGet(pSrcBlock->pDataBlock, START_TS_COLUMN_INDEX);
SColumnInfoData* pSrcEndTsCol = (SColumnInfoData*)taosArrayGet(pSrcBlock->pDataBlock, END_TS_COLUMN_INDEX);
SColumnInfoData* pSrcUidCol = taosArrayGet(pSrcBlock->pDataBlock, UID_COLUMN_INDEX);
SColumnInfoData* pSrcGpCol = taosArrayGet(pSrcBlock->pDataBlock, GROUPID_COLUMN_INDEX);
uint64_t* srcUidData = (uint64_t*)pSrcUidCol->pData;
ASSERT(pSrcStartTsCol->info.type == TSDB_DATA_TYPE_TIMESTAMP);
TSKEY* srcStartTsCol = (TSKEY*)pSrcStartTsCol->pData;
TSKEY* srcEndTsCol = (TSKEY*)pSrcEndTsCol->pData;
int64_t version = pSrcBlock->info.version - 1;
if (pInfo->partitionSup.needCalc && srcStartTsCol[0] != srcEndTsCol[0]) {
uint64_t srcUid = srcUidData[0];
TSKEY startTs = srcStartTsCol[0];
TSKEY endTs = srcEndTsCol[0];
SSDataBlock* pPreRes = readPreVersionData(pInfo->pTableScanOp, srcUid, startTs, endTs, version);
printDataBlock(pPreRes, "pre res");
blockDataCleanup(pSrcBlock);
int32_t code = blockDataEnsureCapacity(pSrcBlock, pPreRes->info.rows);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
SColumnInfoData* pTsCol = (SColumnInfoData*)taosArrayGet(pPreRes->pDataBlock, pInfo->primaryTsIndex);
rows = pPreRes->info.rows;
for (int32_t i = 0; i < rows; i++) {
uint64_t groupId = calGroupIdByData(&pInfo->partitionSup, pInfo->pPartScalarSup, pPreRes, i);
appendOneRowToStreamSpecialBlock(pSrcBlock, ((TSKEY*)pTsCol->pData) + i, ((TSKEY*)pTsCol->pData) + i, &srcUid,
&groupId, NULL);
}
printDataBlock(pSrcBlock, "new delete");
}
uint64_t* srcGp = (uint64_t*)pSrcGpCol->pData;
srcStartTsCol = (TSKEY*)pSrcStartTsCol->pData;
srcEndTsCol = (TSKEY*)pSrcEndTsCol->pData;
srcUidData = (uint64_t*)pSrcUidCol->pData;
int32_t code = blockDataEnsureCapacity(pDestBlock, rows);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
SColumnInfoData* pStartTsCol = taosArrayGet(pDestBlock->pDataBlock, START_TS_COLUMN_INDEX);
SColumnInfoData* pEndTsCol = taosArrayGet(pDestBlock->pDataBlock, END_TS_COLUMN_INDEX);
SColumnInfoData* pDeUidCol = taosArrayGet(pDestBlock->pDataBlock, UID_COLUMN_INDEX);
SColumnInfoData* pGpCol = taosArrayGet(pDestBlock->pDataBlock, GROUPID_COLUMN_INDEX);
SColumnInfoData* pCalStartTsCol = taosArrayGet(pDestBlock->pDataBlock, CALCULATE_START_TS_COLUMN_INDEX);
SColumnInfoData* pCalEndTsCol = taosArrayGet(pDestBlock->pDataBlock, CALCULATE_END_TS_COLUMN_INDEX);
for (int32_t i = 0; i < rows;) {
uint64_t srcUid = srcUidData[i];
uint64_t groupId = srcGp[i];
if (groupId == 0) {
groupId = getGroupIdByData(pInfo, srcUid, srcStartTsCol[i], version);
}
TSKEY calStartTs = srcStartTsCol[i];
colDataSetVal(pCalStartTsCol, pDestBlock->info.rows, (const char*)(&calStartTs), false);
STimeWindow win = getSlidingWindow(srcStartTsCol, srcEndTsCol, srcGp, &pInfo->interval, &pSrcBlock->info, &i,
pInfo->partitionSup.needCalc);
TSKEY calEndTs = srcStartTsCol[i - 1];
colDataSetVal(pCalEndTsCol, pDestBlock->info.rows, (const char*)(&calEndTs), false);
colDataSetVal(pDeUidCol, pDestBlock->info.rows, (const char*)(&srcUid), false);
colDataSetVal(pStartTsCol, pDestBlock->info.rows, (const char*)(&win.skey), false);
colDataSetVal(pEndTsCol, pDestBlock->info.rows, (const char*)(&win.ekey), false);
colDataSetVal(pGpCol, pDestBlock->info.rows, (const char*)(&groupId), false);
pDestBlock->info.rows++;
}
return TSDB_CODE_SUCCESS;
}
static int32_t generateDeleteResultBlock(SStreamScanInfo* pInfo, SSDataBlock* pSrcBlock, SSDataBlock* pDestBlock) {
blockDataCleanup(pDestBlock);
int32_t rows = pSrcBlock->info.rows;
if (rows == 0) {
return TSDB_CODE_SUCCESS;
}
int32_t code = blockDataEnsureCapacity(pDestBlock, rows);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
SColumnInfoData* pSrcStartTsCol = (SColumnInfoData*)taosArrayGet(pSrcBlock->pDataBlock, START_TS_COLUMN_INDEX);
SColumnInfoData* pSrcEndTsCol = (SColumnInfoData*)taosArrayGet(pSrcBlock->pDataBlock, END_TS_COLUMN_INDEX);
SColumnInfoData* pSrcUidCol = taosArrayGet(pSrcBlock->pDataBlock, UID_COLUMN_INDEX);
uint64_t* srcUidData = (uint64_t*)pSrcUidCol->pData;
SColumnInfoData* pSrcGpCol = taosArrayGet(pSrcBlock->pDataBlock, GROUPID_COLUMN_INDEX);
uint64_t* srcGp = (uint64_t*)pSrcGpCol->pData;
ASSERT(pSrcStartTsCol->info.type == TSDB_DATA_TYPE_TIMESTAMP);
TSKEY* srcStartTsCol = (TSKEY*)pSrcStartTsCol->pData;
TSKEY* srcEndTsCol = (TSKEY*)pSrcEndTsCol->pData;
int64_t version = pSrcBlock->info.version - 1;
for (int32_t i = 0; i < pSrcBlock->info.rows; i++) {
uint64_t srcUid = srcUidData[i];
uint64_t groupId = srcGp[i];
char* tbname[VARSTR_HEADER_SIZE + TSDB_TABLE_NAME_LEN] = {0};
if (groupId == 0) {
groupId = getGroupIdByData(pInfo, srcUid, srcStartTsCol[i], version);
}
if (pInfo->tbnameCalSup.pExprInfo) {
void* parTbname = NULL;
streamStateGetParName(pInfo->pStreamScanOp->pTaskInfo->streamInfo.pState, groupId, &parTbname);
memcpy(varDataVal(tbname), parTbname, TSDB_TABLE_NAME_LEN);
varDataSetLen(tbname, strlen(varDataVal(tbname)));
tdbFree(parTbname);
}
appendOneRowToStreamSpecialBlock(pDestBlock, srcStartTsCol + i, srcEndTsCol + i, srcUidData + i, &groupId,
tbname[0] == 0 ? NULL : tbname);
}
return TSDB_CODE_SUCCESS;
}
static int32_t generateScanRange(SStreamScanInfo* pInfo, SSDataBlock* pSrcBlock, SSDataBlock* pDestBlock) {
int32_t code = TSDB_CODE_SUCCESS;
if (isIntervalWindow(pInfo)) {
code = generateIntervalScanRange(pInfo, pSrcBlock, pDestBlock);
} else if (isSessionWindow(pInfo) || isStateWindow(pInfo)) {
code = generateSessionScanRange(pInfo, pSrcBlock, pDestBlock);
} else {
code = generateDeleteResultBlock(pInfo, pSrcBlock, pDestBlock);
}
pDestBlock->info.type = STREAM_CLEAR;
pDestBlock->info.version = pSrcBlock->info.version;
pDestBlock->info.dataLoad = 1;
blockDataUpdateTsWindow(pDestBlock, 0);
return code;
}
#if 0
void calBlockTag(SStreamScanInfo* pInfo, SSDataBlock* pBlock) {
SExprSupp* pTagCalSup = &pInfo->tagCalSup;
SStreamState* pState = pInfo->pStreamScanOp->pTaskInfo->streamInfo.pState;
if (pTagCalSup == NULL || pTagCalSup->numOfExprs == 0) return;
if (pBlock == NULL || pBlock->info.rows == 0) return;
void* tag = NULL;
int32_t tagLen = 0;
if (streamStateGetParTag(pState, pBlock->info.id.groupId, &tag, &tagLen) == 0) {
pBlock->info.tagLen = tagLen;
void* pTag = taosMemoryRealloc(pBlock->info.pTag, tagLen);
if (pTag == NULL) {
tdbFree(tag);
taosMemoryFree(pBlock->info.pTag);
pBlock->info.pTag = NULL;
pBlock->info.tagLen = 0;
return;
}
pBlock->info.pTag = pTag;
memcpy(pBlock->info.pTag, tag, tagLen);
tdbFree(tag);
return;
} else {
pBlock->info.pTag = NULL;
}
tdbFree(tag);
}
#endif
static void calBlockTbName(SStreamScanInfo* pInfo, SSDataBlock* pBlock) {
SExprSupp* pTbNameCalSup = &pInfo->tbnameCalSup;
SStreamState* pState = pInfo->pStreamScanOp->pTaskInfo->streamInfo.pState;
blockDataCleanup(pInfo->pCreateTbRes);
if (pInfo->tbnameCalSup.numOfExprs == 0 && pInfo->tagCalSup.numOfExprs == 0) {
pBlock->info.parTbName[0] = 0;
} else {
appendCreateTableRow(pInfo->pStreamScanOp->pTaskInfo->streamInfo.pState, &pInfo->tbnameCalSup, &pInfo->tagCalSup,
pBlock->info.id.groupId, pBlock, 0, pInfo->pCreateTbRes);
}
}
void appendOneRowToStreamSpecialBlock(SSDataBlock* pBlock, TSKEY* pStartTs, TSKEY* pEndTs, uint64_t* pUid,
uint64_t* pGp, void* pTbName) {
SColumnInfoData* pStartTsCol = taosArrayGet(pBlock->pDataBlock, START_TS_COLUMN_INDEX);
SColumnInfoData* pEndTsCol = taosArrayGet(pBlock->pDataBlock, END_TS_COLUMN_INDEX);
SColumnInfoData* pUidCol = taosArrayGet(pBlock->pDataBlock, UID_COLUMN_INDEX);
SColumnInfoData* pGpCol = taosArrayGet(pBlock->pDataBlock, GROUPID_COLUMN_INDEX);
SColumnInfoData* pCalStartCol = taosArrayGet(pBlock->pDataBlock, CALCULATE_START_TS_COLUMN_INDEX);
SColumnInfoData* pCalEndCol = taosArrayGet(pBlock->pDataBlock, CALCULATE_END_TS_COLUMN_INDEX);
SColumnInfoData* pTableCol = taosArrayGet(pBlock->pDataBlock, TABLE_NAME_COLUMN_INDEX);
colDataSetVal(pStartTsCol, pBlock->info.rows, (const char*)pStartTs, false);
colDataSetVal(pEndTsCol, pBlock->info.rows, (const char*)pEndTs, false);
colDataSetVal(pUidCol, pBlock->info.rows, (const char*)pUid, false);
colDataSetVal(pGpCol, pBlock->info.rows, (const char*)pGp, false);
colDataSetVal(pCalStartCol, pBlock->info.rows, (const char*)pStartTs, false);
colDataSetVal(pCalEndCol, pBlock->info.rows, (const char*)pEndTs, false);
colDataSetVal(pTableCol, pBlock->info.rows, (const char*)pTbName, pTbName == NULL);
pBlock->info.rows++;
}
static void checkUpdateData(SStreamScanInfo* pInfo, bool invertible, SSDataBlock* pBlock, bool out) {
if (out) {
blockDataCleanup(pInfo->pUpdateDataRes);
blockDataEnsureCapacity(pInfo->pUpdateDataRes, pBlock->info.rows * 2);
}
SColumnInfoData* pColDataInfo = taosArrayGet(pBlock->pDataBlock, pInfo->primaryTsIndex);
ASSERT(pColDataInfo->info.type == TSDB_DATA_TYPE_TIMESTAMP);
TSKEY* tsCol = (TSKEY*)pColDataInfo->pData;
bool tableInserted = updateInfoIsTableInserted(pInfo->pUpdateInfo, pBlock->info.id.uid);
for (int32_t rowId = 0; rowId < pBlock->info.rows; rowId++) {
SResultRowInfo dumyInfo;
dumyInfo.cur.pageId = -1;
bool isClosed = false;
STimeWindow win = {.skey = INT64_MIN, .ekey = INT64_MAX};
bool overDue = isOverdue(tsCol[rowId], &pInfo->twAggSup);
if (pInfo->igExpired && overDue) {
continue;
}
if (tableInserted && overDue) {
win = getActiveTimeWindow(NULL, &dumyInfo, tsCol[rowId], &pInfo->interval, TSDB_ORDER_ASC);
isClosed = isCloseWindow(&win, &pInfo->twAggSup);
}
// must check update info first.
bool update = updateInfoIsUpdated(pInfo->pUpdateInfo, pBlock->info.id.uid, tsCol[rowId]);
bool closedWin = isClosed && isSignleIntervalWindow(pInfo) &&
isDeletedStreamWindow(&win, pBlock->info.id.groupId,
pInfo->pTableScanOp->pTaskInfo->streamInfo.pState, &pInfo->twAggSup);
if ((update || closedWin) && out) {
qDebug("stream update check not pass, update %d, closedWin %d", update, closedWin);
uint64_t gpId = 0;
appendOneRowToStreamSpecialBlock(pInfo->pUpdateDataRes, tsCol + rowId, tsCol + rowId, &pBlock->info.id.uid, &gpId,
NULL);
if (closedWin && pInfo->partitionSup.needCalc) {
gpId = calGroupIdByData(&pInfo->partitionSup, pInfo->pPartScalarSup, pBlock, rowId);
appendOneRowToStreamSpecialBlock(pInfo->pUpdateDataRes, tsCol + rowId, tsCol + rowId, &pBlock->info.id.uid,
&gpId, NULL);
}
}
}
if (out && pInfo->pUpdateDataRes->info.rows > 0) {
pInfo->pUpdateDataRes->info.version = pBlock->info.version;
pInfo->pUpdateDataRes->info.dataLoad = 1;
blockDataUpdateTsWindow(pInfo->pUpdateDataRes, 0);
pInfo->pUpdateDataRes->info.type = pInfo->partitionSup.needCalc ? STREAM_DELETE_DATA : STREAM_CLEAR;
}
}
static int32_t setBlockIntoRes(SStreamScanInfo* pInfo, const SSDataBlock* pBlock, bool filter) {
SDataBlockInfo* pBlockInfo = &pInfo->pRes->info;
SOperatorInfo* pOperator = pInfo->pStreamScanOp;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
blockDataEnsureCapacity(pInfo->pRes, pBlock->info.rows);
pInfo->pRes->info.rows = pBlock->info.rows;
pInfo->pRes->info.id.uid = pBlock->info.id.uid;
pInfo->pRes->info.type = STREAM_NORMAL;
pInfo->pRes->info.version = pBlock->info.version;
STableScanInfo* pTableScanInfo = pInfo->pTableScanOp->info;
pInfo->pRes->info.id.groupId = getTableGroupId(pTableScanInfo->base.pTableListInfo, pBlock->info.id.uid);
// todo extract method
for (int32_t i = 0; i < taosArrayGetSize(pInfo->matchInfo.pList); ++i) {
SColMatchItem* pColMatchInfo = taosArrayGet(pInfo->matchInfo.pList, i);
if (!pColMatchInfo->needOutput) {
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->dstSlotId);
colDataAssign(pDst, pResCol, pBlock->info.rows, &pInfo->pRes->info);
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->dstSlotId);
colDataSetNNULL(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,
pInfo->pRes->info.rows, GET_TASKID(pTaskInfo), NULL);
// ignore the table not exists error, since this table may have been dropped during the scan procedure.
if (code != TSDB_CODE_SUCCESS && code != TSDB_CODE_PAR_TABLE_NOT_EXIST) {
blockDataFreeRes((SSDataBlock*)pBlock);
T_LONG_JMP(pTaskInfo->env, code);
}
// reset the error code.
terrno = 0;
}
if (filter) {
doFilter(pInfo->pRes, pOperator->exprSupp.pFilterInfo, NULL);
}
pInfo->pRes->info.dataLoad = 1;
blockDataUpdateTsWindow(pInfo->pRes, pInfo->primaryTsIndex);
// blockDataFreeRes((SSDataBlock*)pBlock);
calBlockTbName(pInfo, pInfo->pRes);
return 0;
}
static SSDataBlock* doQueueScan(SOperatorInfo* pOperator) {
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SStreamScanInfo* pInfo = pOperator->info;
const char* id = GET_TASKID(pTaskInfo);
qDebug("start to exec queue scan, %s", id);
if (pTaskInfo->streamInfo.submit.msgStr != NULL) {
if (pInfo->tqReader->msg.msgStr == NULL) {
SPackedData submit = pTaskInfo->streamInfo.submit;
if (tqReaderSetSubmitMsg(pInfo->tqReader, submit.msgStr, submit.msgLen, submit.ver) < 0) {
qError("submit msg messed up when initing stream submit block %p", submit.msgStr);
return NULL;
}
}
blockDataCleanup(pInfo->pRes);
SDataBlockInfo* pBlockInfo = &pInfo->pRes->info;
while (tqNextBlockImpl(pInfo->tqReader)) {
int32_t code = tqRetrieveDataBlock(pInfo->tqReader->pResBlock, pInfo->tqReader, NULL);
if (code != TSDB_CODE_SUCCESS || pInfo->tqReader->pResBlock->info.rows == 0) {
continue;
}
setBlockIntoRes(pInfo, pInfo->tqReader->pResBlock, true);
if (pBlockInfo->rows > 0) {
return pInfo->pRes;
}
}
pInfo->tqReader->msg = (SPackedData){0};
pTaskInfo->streamInfo.submit = (SPackedData){0};
return NULL;
}
if (pTaskInfo->streamInfo.currentOffset.type == TMQ_OFFSET__SNAPSHOT_DATA) {
SSDataBlock* pResult = doTableScan(pInfo->pTableScanOp);
if (pResult && pResult->info.rows > 0) {
qDebug("queue scan tsdb return %" PRId64 " rows min:%" PRId64 " max:%" PRId64 " wal curVersion:%" PRId64,
pResult->info.rows, pResult->info.window.skey, pResult->info.window.ekey,
pInfo->tqReader->pWalReader->curVersion);
tqOffsetResetToData(&pTaskInfo->streamInfo.currentOffset, pResult->info.id.uid, pResult->info.window.ekey);
return pResult;
}
STableScanInfo* pTSInfo = pInfo->pTableScanOp->info;
tsdbReaderClose(pTSInfo->base.dataReader);
pTSInfo->base.dataReader = NULL;
qDebug("queue scan tsdb over, switch to wal ver %" PRId64 "", pTaskInfo->streamInfo.snapshotVer + 1);
if (tqSeekVer(pInfo->tqReader, pTaskInfo->streamInfo.snapshotVer + 1, pTaskInfo->id.str) < 0) {
return NULL;
}
tqOffsetResetToLog(&pTaskInfo->streamInfo.currentOffset, pTaskInfo->streamInfo.snapshotVer);
}
if (pTaskInfo->streamInfo.currentOffset.type == TMQ_OFFSET__LOG) {
while (1) {
int32_t type = tqNextBlockInWal(pInfo->tqReader);
SSDataBlock* pRes = pInfo->tqReader->pResBlock;
// curVersion move to next, so currentOffset = curVersion - 1
tqOffsetResetToLog(&pTaskInfo->streamInfo.currentOffset, pInfo->tqReader->pWalReader->curVersion - 1);
if (type == FETCH_TYPE__DATA) {
qDebug("doQueueScan get data from log %" PRId64 " rows, version:%" PRId64, pRes->info.rows,
pTaskInfo->streamInfo.currentOffset.version);
blockDataCleanup(pInfo->pRes);
setBlockIntoRes(pInfo, pRes, true);
if (pInfo->pRes->info.rows > 0) {
return pInfo->pRes;
}
} else if (type == FETCH_TYPE__NONE) {
qDebug("doQueueScan get none from log, return, version:%" PRId64, pTaskInfo->streamInfo.currentOffset.version);
return NULL;
}
}
} else {
qError("unexpected streamInfo prepare type: %d", pTaskInfo->streamInfo.currentOffset.type);
return NULL;
}
}
static int32_t filterDelBlockByUid(SSDataBlock* pDst, const SSDataBlock* pSrc, SStreamScanInfo* pInfo) {
STqReader* pReader = pInfo->tqReader;
int32_t rows = pSrc->info.rows;
blockDataEnsureCapacity(pDst, rows);
SColumnInfoData* pSrcStartCol = taosArrayGet(pSrc->pDataBlock, START_TS_COLUMN_INDEX);
uint64_t* startCol = (uint64_t*)pSrcStartCol->pData;
SColumnInfoData* pSrcEndCol = taosArrayGet(pSrc->pDataBlock, END_TS_COLUMN_INDEX);
uint64_t* endCol = (uint64_t*)pSrcEndCol->pData;
SColumnInfoData* pSrcUidCol = taosArrayGet(pSrc->pDataBlock, UID_COLUMN_INDEX);
uint64_t* uidCol = (uint64_t*)pSrcUidCol->pData;
SColumnInfoData* pDstStartCol = taosArrayGet(pDst->pDataBlock, START_TS_COLUMN_INDEX);
SColumnInfoData* pDstEndCol = taosArrayGet(pDst->pDataBlock, END_TS_COLUMN_INDEX);
SColumnInfoData* pDstUidCol = taosArrayGet(pDst->pDataBlock, UID_COLUMN_INDEX);
int32_t j = 0;
for (int32_t i = 0; i < rows; i++) {
if (taosHashGet(pReader->tbIdHash, &uidCol[i], sizeof(uint64_t))) {
colDataSetVal(pDstStartCol, j, (const char*)&startCol[i], false);
colDataSetVal(pDstEndCol, j, (const char*)&endCol[i], false);
colDataSetVal(pDstUidCol, j, (const char*)&uidCol[i], false);
colDataSetNULL(taosArrayGet(pDst->pDataBlock, GROUPID_COLUMN_INDEX), j);
colDataSetNULL(taosArrayGet(pDst->pDataBlock, CALCULATE_START_TS_COLUMN_INDEX), j);
colDataSetNULL(taosArrayGet(pDst->pDataBlock, CALCULATE_END_TS_COLUMN_INDEX), j);
j++;
}
}
uint32_t cap = pDst->info.capacity;
pDst->info = pSrc->info;
pDst->info.rows = j;
pDst->info.capacity = cap;
return 0;
}
// for partition by tag
static void setBlockGroupIdByUid(SStreamScanInfo* pInfo, SSDataBlock* pBlock) {
SColumnInfoData* pStartTsCol = taosArrayGet(pBlock->pDataBlock, START_TS_COLUMN_INDEX);
TSKEY* startTsCol = (TSKEY*)pStartTsCol->pData;
SColumnInfoData* pGpCol = taosArrayGet(pBlock->pDataBlock, GROUPID_COLUMN_INDEX);
uint64_t* gpCol = (uint64_t*)pGpCol->pData;
SColumnInfoData* pUidCol = taosArrayGet(pBlock->pDataBlock, UID_COLUMN_INDEX);
uint64_t* uidCol = (uint64_t*)pUidCol->pData;
int32_t rows = pBlock->info.rows;
if (!pInfo->partitionSup.needCalc) {
for (int32_t i = 0; i < rows; i++) {
uint64_t groupId = getGroupIdByUid(pInfo, uidCol[i]);
colDataSetVal(pGpCol, i, (const char*)&groupId, false);
}
}
}
static void doCheckUpdate(SStreamScanInfo* pInfo, TSKEY endKey, SSDataBlock* pBlock) {
if (pInfo->pUpdateInfo) {
checkUpdateData(pInfo, true, pBlock, true);
pInfo->twAggSup.maxTs = TMAX(pInfo->twAggSup.maxTs, endKey);
if (pInfo->pUpdateDataRes->info.rows > 0) {
pInfo->updateResIndex = 0;
if (pInfo->pUpdateDataRes->info.type == STREAM_CLEAR) {
pInfo->scanMode = STREAM_SCAN_FROM_UPDATERES;
} else if (pInfo->pUpdateDataRes->info.type == STREAM_INVERT) {
pInfo->scanMode = STREAM_SCAN_FROM_RES;
// return pInfo->pUpdateDataRes;
} else if (pInfo->pUpdateDataRes->info.type == STREAM_DELETE_DATA) {
pInfo->scanMode = STREAM_SCAN_FROM_DELETE_DATA;
}
}
}
}
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.recoverStep == STREAM_RECOVER_STEP__PREPARE1 ||
pTaskInfo->streamInfo.recoverStep == STREAM_RECOVER_STEP__PREPARE2) {
STableScanInfo* pTSInfo = pInfo->pTableScanOp->info;
memcpy(&pTSInfo->base.cond, &pTaskInfo->streamInfo.tableCond, sizeof(SQueryTableDataCond));
if (pTaskInfo->streamInfo.recoverStep == STREAM_RECOVER_STEP__PREPARE1) {
pTSInfo->base.cond.startVersion = 0;
pTSInfo->base.cond.endVersion = pTaskInfo->streamInfo.fillHistoryVer1;
qDebug("stream recover step 1, from %" PRId64 " to %" PRId64, pTSInfo->base.cond.startVersion,
pTSInfo->base.cond.endVersion);
pTaskInfo->streamInfo.recoverStep = STREAM_RECOVER_STEP__SCAN1;
} else {
pTSInfo->base.cond.startVersion = pTaskInfo->streamInfo.fillHistoryVer1 + 1;
pTSInfo->base.cond.endVersion = pTaskInfo->streamInfo.fillHistoryVer2;
qDebug("stream recover step 2, from %" PRId64 " to %" PRId64, pTSInfo->base.cond.startVersion,
pTSInfo->base.cond.endVersion);
pTaskInfo->streamInfo.recoverStep = STREAM_RECOVER_STEP__SCAN2;
}
/*resetTableScanInfo(pTSInfo, pWin);*/
tsdbReaderClose(pTSInfo->base.dataReader);
pTSInfo->base.dataReader = NULL;
pInfo->pTableScanOp->status = OP_OPENED;
pTSInfo->scanTimes = 0;
pTSInfo->currentGroupId = -1;
pTaskInfo->streamInfo.recoverScanFinished = false;
}
if (pTaskInfo->streamInfo.recoverStep == STREAM_RECOVER_STEP__SCAN1 ||
pTaskInfo->streamInfo.recoverStep == STREAM_RECOVER_STEP__SCAN2) {
if (pInfo->blockRecoverContiCnt > 100) {
pInfo->blockRecoverTotCnt += pInfo->blockRecoverContiCnt;
pInfo->blockRecoverContiCnt = 0;
return NULL;
}
switch (pInfo->scanMode) {
case STREAM_SCAN_FROM_RES: {
pInfo->scanMode = STREAM_SCAN_FROM_READERHANDLE;
printDataBlock(pInfo->pRecoverRes, "scan recover");
return pInfo->pRecoverRes;
} break;
case STREAM_SCAN_FROM_UPDATERES: {
generateScanRange(pInfo, pInfo->pUpdateDataRes, pInfo->pUpdateRes);
prepareRangeScan(pInfo, pInfo->pUpdateRes, &pInfo->updateResIndex);
pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER_RANGE;
printDataBlock(pInfo->pUpdateRes, "recover update");
return pInfo->pUpdateRes;
} break;
case STREAM_SCAN_FROM_DELETE_DATA: {
generateScanRange(pInfo, pInfo->pUpdateDataRes, pInfo->pUpdateRes);
prepareRangeScan(pInfo, pInfo->pUpdateRes, &pInfo->updateResIndex);
pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER_RANGE;
copyDataBlock(pInfo->pDeleteDataRes, pInfo->pUpdateRes);
pInfo->pDeleteDataRes->info.type = STREAM_DELETE_DATA;
printDataBlock(pInfo->pDeleteDataRes, "recover delete");
return pInfo->pDeleteDataRes;
} break;
case STREAM_SCAN_FROM_DATAREADER_RANGE: {
SSDataBlock* pSDB = doRangeScan(pInfo, pInfo->pUpdateRes, pInfo->primaryTsIndex, &pInfo->updateResIndex);
if (pSDB) {
STableScanInfo* pTableScanInfo = pInfo->pTableScanOp->info;
uint64_t version = tsdbGetReaderMaxVersion(pTableScanInfo->base.dataReader);
updateInfoSetScanRange(pInfo->pUpdateInfo, &pTableScanInfo->base.cond.twindows, pInfo->groupId, version);
pSDB->info.type = pInfo->scanMode == STREAM_SCAN_FROM_DATAREADER_RANGE ? STREAM_NORMAL : STREAM_PULL_DATA;
checkUpdateData(pInfo, true, pSDB, false);
printDataBlock(pSDB, "scan recover update");
calBlockTbName(pInfo, pSDB);
return pSDB;
}
blockDataCleanup(pInfo->pUpdateDataRes);
pInfo->scanMode = STREAM_SCAN_FROM_READERHANDLE;
} break;
default:
break;
}
pInfo->pRecoverRes = doTableScan(pInfo->pTableScanOp);
if (pInfo->pRecoverRes != NULL) {
pInfo->blockRecoverContiCnt++;
calBlockTbName(pInfo, pInfo->pRecoverRes);
if (pInfo->pUpdateInfo) {
if (pTaskInfo->streamInfo.recoverStep == STREAM_RECOVER_STEP__SCAN1) {
TSKEY maxTs = updateInfoFillBlockData(pInfo->pUpdateInfo, pInfo->pRecoverRes, pInfo->primaryTsIndex);
pInfo->twAggSup.maxTs = TMAX(pInfo->twAggSup.maxTs, maxTs);
} else {
doCheckUpdate(pInfo, pInfo->pRecoverRes->info.window.ekey, pInfo->pRecoverRes);
}
}
if (pInfo->pCreateTbRes->info.rows > 0) {
pInfo->scanMode = STREAM_SCAN_FROM_RES;
printDataBlock(pInfo->pCreateTbRes, "recover createTbl");
return pInfo->pCreateTbRes;
}
qDebug("stream recover scan get block, rows %" PRId64, pInfo->pRecoverRes->info.rows);
printDataBlock(pInfo->pRecoverRes, "scan recover");
return pInfo->pRecoverRes;
}
pTaskInfo->streamInfo.recoverStep = STREAM_RECOVER_STEP__NONE;
STableScanInfo* pTSInfo = pInfo->pTableScanOp->info;
tsdbReaderClose(pTSInfo->base.dataReader);
pTSInfo->base.dataReader = NULL;
pTSInfo->base.cond.startVersion = -1;
pTSInfo->base.cond.endVersion = -1;
pTaskInfo->streamInfo.recoverScanFinished = true;
return NULL;
}
size_t total = taosArrayGetSize(pInfo->pBlockLists);
// TODO: refactor
FETCH_NEXT_BLOCK:
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++;
SPackedData* pPacked = taosArrayGet(pInfo->pBlockLists, current);
SSDataBlock* pBlock = pPacked->pDataBlock;
if (pBlock->info.parTbName[0]) {
streamStatePutParName(pTaskInfo->streamInfo.pState, pBlock->info.id.groupId, pBlock->info.parTbName);
}
// TODO move into scan
pBlock->info.calWin.skey = INT64_MIN;
pBlock->info.calWin.ekey = INT64_MAX;
pBlock->info.dataLoad = 1;
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->pUpdateRes, pBlock);
prepareRangeScan(pInfo, pInfo->pUpdateRes, &pInfo->updateResIndex);
updateInfoAddCloseWindowSBF(pInfo->pUpdateInfo);
} break;
case STREAM_DELETE_DATA: {
printDataBlock(pBlock, "stream scan delete recv");
SSDataBlock* pDelBlock = NULL;
if (pInfo->tqReader) {
pDelBlock = createSpecialDataBlock(STREAM_DELETE_DATA);
filterDelBlockByUid(pDelBlock, pBlock, pInfo);
} else {
pDelBlock = pBlock;
}
setBlockGroupIdByUid(pInfo, pDelBlock);
printDataBlock(pDelBlock, "stream scan delete recv filtered");
if (pDelBlock->info.rows == 0) {
if (pInfo->tqReader) {
blockDataDestroy(pDelBlock);
}
goto FETCH_NEXT_BLOCK;
}
if (!isIntervalWindow(pInfo) && !isSessionWindow(pInfo) && !isStateWindow(pInfo)) {
generateDeleteResultBlock(pInfo, pDelBlock, pInfo->pDeleteDataRes);
pInfo->pDeleteDataRes->info.type = STREAM_DELETE_RESULT;
printDataBlock(pDelBlock, "stream scan delete result");
blockDataDestroy(pDelBlock);
if (pInfo->pDeleteDataRes->info.rows > 0) {
return pInfo->pDeleteDataRes;
} else {
goto FETCH_NEXT_BLOCK;
}
} else {
pInfo->blockType = STREAM_INPUT__DATA_SUBMIT;
pInfo->updateResIndex = 0;
generateScanRange(pInfo, pDelBlock, pInfo->pUpdateRes);
prepareRangeScan(pInfo, pInfo->pUpdateRes, &pInfo->updateResIndex);
copyDataBlock(pInfo->pDeleteDataRes, pInfo->pUpdateRes);
pInfo->pDeleteDataRes->info.type = STREAM_DELETE_DATA;
printDataBlock(pDelBlock, "stream scan delete data");
if (pInfo->tqReader) {
blockDataDestroy(pDelBlock);
}
if (pInfo->pDeleteDataRes->info.rows > 0) {
pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER_RANGE;
return pInfo->pDeleteDataRes;
} else {
goto FETCH_NEXT_BLOCK;
}
}
} break;
default:
break;
}
// printDataBlock(pBlock, "stream scan recv");
return pBlock;
} else if (pInfo->blockType == STREAM_INPUT__DATA_SUBMIT) {
qDebug("scan mode %d", pInfo->scanMode);
switch (pInfo->scanMode) {
case STREAM_SCAN_FROM_RES: {
pInfo->scanMode = STREAM_SCAN_FROM_READERHANDLE;
doCheckUpdate(pInfo, pInfo->pRes->info.window.ekey, pInfo->pRes);
doFilter(pInfo->pRes, pOperator->exprSupp.pFilterInfo, NULL);
pInfo->pRes->info.dataLoad = 1;
blockDataUpdateTsWindow(pInfo->pRes, pInfo->primaryTsIndex);
if (pInfo->pRes->info.rows > 0) {
return pInfo->pRes;
}
} break;
case STREAM_SCAN_FROM_DELETE_DATA: {
generateScanRange(pInfo, pInfo->pUpdateDataRes, pInfo->pUpdateRes);
prepareRangeScan(pInfo, pInfo->pUpdateRes, &pInfo->updateResIndex);
pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER_RANGE;
copyDataBlock(pInfo->pDeleteDataRes, pInfo->pUpdateRes);
pInfo->pDeleteDataRes->info.type = STREAM_DELETE_DATA;
return pInfo->pDeleteDataRes;
} break;
case STREAM_SCAN_FROM_UPDATERES: {
generateScanRange(pInfo, pInfo->pUpdateDataRes, pInfo->pUpdateRes);
prepareRangeScan(pInfo, pInfo->pUpdateRes, &pInfo->updateResIndex);
pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER_RANGE;
return pInfo->pUpdateRes;
} break;
case STREAM_SCAN_FROM_DATAREADER_RANGE:
case STREAM_SCAN_FROM_DATAREADER_RETRIEVE: {
SSDataBlock* pSDB = doRangeScan(pInfo, pInfo->pUpdateRes, pInfo->primaryTsIndex, &pInfo->updateResIndex);
if (pSDB) {
STableScanInfo* pTableScanInfo = pInfo->pTableScanOp->info;
uint64_t version = tsdbGetReaderMaxVersion(pTableScanInfo->base.dataReader);
updateInfoSetScanRange(pInfo->pUpdateInfo, &pTableScanInfo->base.cond.twindows, pInfo->groupId, version);
pSDB->info.type = pInfo->scanMode == STREAM_SCAN_FROM_DATAREADER_RANGE ? STREAM_NORMAL : STREAM_PULL_DATA;
checkUpdateData(pInfo, true, pSDB, false);
// printDataBlock(pSDB, "stream scan update");
calBlockTbName(pInfo, pSDB);
return pSDB;
}
blockDataCleanup(pInfo->pUpdateDataRes);
pInfo->scanMode = STREAM_SCAN_FROM_READERHANDLE;
} break;
default:
break;
}
SStreamAggSupporter* pSup = pInfo->windowSup.pStreamAggSup;
if (isStateWindow(pInfo) && pSup->pScanBlock->info.rows > 0) {
pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER_RANGE;
pInfo->updateResIndex = 0;
copyDataBlock(pInfo->pUpdateRes, pSup->pScanBlock);
blockDataCleanup(pSup->pScanBlock);
prepareRangeScan(pInfo, pInfo->pUpdateRes, &pInfo->updateResIndex);
pInfo->pUpdateRes->info.type = STREAM_DELETE_DATA;
return pInfo->pUpdateRes;
}
SDataBlockInfo* pBlockInfo = &pInfo->pRes->info;
int32_t totBlockNum = taosArrayGetSize(pInfo->pBlockLists);
NEXT_SUBMIT_BLK:
while (1) {
if (pInfo->tqReader->msg.msgStr == NULL) {
if (pInfo->validBlockIndex >= totBlockNum) {
updateInfoDestoryColseWinSBF(pInfo->pUpdateInfo);
doClearBufferedBlocks(pInfo);
qDebug("stream scan return empty, consume block %d", totBlockNum);
return NULL;
}
int32_t current = pInfo->validBlockIndex++;
SPackedData* pSubmit = taosArrayGet(pInfo->pBlockLists, current);
if (tqReaderSetSubmitMsg(pInfo->tqReader, pSubmit->msgStr, pSubmit->msgLen, pSubmit->ver) < 0) {
qError("submit msg messed up when initing stream submit block %p, current %d, total %d", pSubmit, current,
totBlockNum);
continue;
}
}
blockDataCleanup(pInfo->pRes);
while (tqNextBlockImpl(pInfo->tqReader)) {
int32_t code = tqRetrieveDataBlock(pInfo->tqReader->pResBlock, pInfo->tqReader, NULL);
if (code != TSDB_CODE_SUCCESS || pInfo->tqReader->pResBlock->info.rows == 0) {
continue;
}
setBlockIntoRes(pInfo, pInfo->tqReader->pResBlock, false);
if (updateInfoIgnore(pInfo->pUpdateInfo, &pInfo->pRes->info.window, pInfo->pRes->info.id.groupId,
pInfo->pRes->info.version)) {
printDataBlock(pInfo->pRes, "stream scan ignore");
blockDataCleanup(pInfo->pRes);
continue;
}
if (pInfo->pCreateTbRes->info.rows > 0) {
pInfo->scanMode = STREAM_SCAN_FROM_RES;
return pInfo->pCreateTbRes;
}
doCheckUpdate(pInfo, pBlockInfo->window.ekey, pInfo->pRes);
doFilter(pInfo->pRes, pOperator->exprSupp.pFilterInfo, NULL);
pInfo->pRes->info.dataLoad = 1;
blockDataUpdateTsWindow(pInfo->pRes, pInfo->primaryTsIndex);
if (pBlockInfo->rows > 0 || pInfo->pUpdateDataRes->info.rows > 0) {
break;
}
}
if (pBlockInfo->rows > 0 || pInfo->pUpdateDataRes->info.rows > 0) {
break;
} else {
continue;
}
}
// record the scan action.
pInfo->numOfExec++;
pOperator->resultInfo.totalRows += pBlockInfo->rows;
// printDataBlock(pInfo->pRes, "stream scan");
qDebug("scan rows: %" PRId64, pBlockInfo->rows);
if (pBlockInfo->rows > 0) {
return pInfo->pRes;
}
if (pInfo->pUpdateDataRes->info.rows > 0) {
goto FETCH_NEXT_BLOCK;
}
goto NEXT_SUBMIT_BLK;
} else {
ASSERT(0);
return NULL;
}
}
static SArray* extractTableIdList(const STableListInfo* pTableListInfo) {
SArray* tableIdList = taosArrayInit(4, sizeof(uint64_t));
// Transfer the Array of STableKeyInfo into uid list.
size_t size = tableListGetSize(pTableListInfo);
for (int32_t i = 0; i < size; ++i) {
STableKeyInfo* pkeyInfo = tableListGetInfo(pTableListInfo, i);
taosArrayPush(tableIdList, &pkeyInfo->uid);
}
return tableIdList;
}
static SSDataBlock* doRawScan(SOperatorInfo* pOperator) {
// NOTE: this operator does never check if current status is done or not
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SStreamRawScanInfo* pInfo = pOperator->info;
int32_t code = TSDB_CODE_SUCCESS;
pTaskInfo->streamInfo.metaRsp.metaRspLen = 0; // use metaRspLen !=0 to judge if data is meta
pTaskInfo->streamInfo.metaRsp.metaRsp = NULL;
qDebug("tmqsnap doRawScan called");
if (pTaskInfo->streamInfo.currentOffset.type == TMQ_OFFSET__SNAPSHOT_DATA) {
bool hasNext = false;
if (pInfo->dataReader) {
code = tsdbNextDataBlock(pInfo->dataReader, &hasNext);
if (code) {
tsdbReleaseDataBlock(pInfo->dataReader);
T_LONG_JMP(pTaskInfo->env, code);
}
}
if (pInfo->dataReader && hasNext) {
if (isTaskKilled(pTaskInfo)) {
tsdbReleaseDataBlock(pInfo->dataReader);
T_LONG_JMP(pTaskInfo->env, pTaskInfo->code);
}
SSDataBlock* pBlock = tsdbRetrieveDataBlock(pInfo->dataReader, NULL);
if (pBlock == NULL) {
T_LONG_JMP(pTaskInfo->env, terrno);
}
qDebug("tmqsnap doRawScan get data uid:%" PRId64 "", pBlock->info.id.uid);
tqOffsetResetToData(&pTaskInfo->streamInfo.currentOffset, pBlock->info.id.uid, pBlock->info.window.ekey);
return pBlock;
}
SMetaTableInfo mtInfo = getUidfromSnapShot(pInfo->sContext);
STqOffsetVal offset = {0};
if (mtInfo.uid == 0) { // read snapshot done, change to get data from wal
qDebug("tmqsnap read snapshot done, change to get data from wal");
tqOffsetResetToLog(&offset, pInfo->sContext->snapVersion);
} else {
tqOffsetResetToData(&offset, mtInfo.uid, INT64_MIN);
qDebug("tmqsnap change get data uid:%" PRId64 "", mtInfo.uid);
}
qStreamPrepareScan(pTaskInfo, &offset, pInfo->sContext->subType);
tDeleteSchemaWrapper(mtInfo.schema);
return NULL;
} else if (pTaskInfo->streamInfo.currentOffset.type == TMQ_OFFSET__SNAPSHOT_META) {
SSnapContext* sContext = pInfo->sContext;
void* data = NULL;
int32_t dataLen = 0;
int16_t type = 0;
int64_t uid = 0;
if (getMetafromSnapShot(sContext, &data, &dataLen, &type, &uid) < 0) {
qError("tmqsnap getMetafromSnapShot error");
taosMemoryFreeClear(data);
return NULL;
}
if (!sContext->queryMeta) { // change to get data next poll request
STqOffsetVal offset = {0};
tqOffsetResetToData(&offset, 0, INT64_MIN);
qStreamPrepareScan(pTaskInfo, &offset, pInfo->sContext->subType);
} else {
tqOffsetResetToMeta(&pTaskInfo->streamInfo.currentOffset, uid);
pTaskInfo->streamInfo.metaRsp.resMsgType = type;
pTaskInfo->streamInfo.metaRsp.metaRspLen = dataLen;
pTaskInfo->streamInfo.metaRsp.metaRsp = data;
}
return NULL;
}
// else if (pTaskInfo->streamInfo.prepareStatus.type == TMQ_OFFSET__LOG) {
// int64_t fetchVer = pTaskInfo->streamInfo.prepareStatus.version + 1;
//
// while(1){
// if (tqFetchLog(pInfo->tqReader->pWalReader, pInfo->sContext->withMeta, &fetchVer, &pInfo->pCkHead) < 0) {
// qDebug("tmqsnap tmq poll: consumer log end. offset %" PRId64, fetchVer);
// pTaskInfo->streamInfo.lastStatus.version = fetchVer;
// pTaskInfo->streamInfo.lastStatus.type = TMQ_OFFSET__LOG;
// return NULL;
// }
// SWalCont* pHead = &pInfo->pCkHead->head;
// qDebug("tmqsnap tmq poll: consumer log offset %" PRId64 " msgType %d", fetchVer, pHead->msgType);
//
// if (pHead->msgType == TDMT_VND_SUBMIT) {
// SSubmitReq* pCont = (SSubmitReq*)&pHead->body;
// tqReaderSetDataMsg(pInfo->tqReader, pCont, 0);
// SSDataBlock* block = tqLogScanExec(pInfo->sContext->subType, pInfo->tqReader, pInfo->pFilterOutTbUid,
// &pInfo->pRes); if(block){
// pTaskInfo->streamInfo.lastStatus.type = TMQ_OFFSET__LOG;
// pTaskInfo->streamInfo.lastStatus.version = fetchVer;
// qDebug("tmqsnap fetch data msg, ver:%" PRId64 ", type:%d", pHead->version, pHead->msgType);
// return block;
// }else{
// fetchVer++;
// }
// } else{
// ASSERT(pInfo->sContext->withMeta);
// ASSERT(IS_META_MSG(pHead->msgType));
// qDebug("tmqsnap fetch meta msg, ver:%" PRId64 ", type:%d", pHead->version, pHead->msgType);
// pTaskInfo->streamInfo.metaRsp.rspOffset.version = fetchVer;
// pTaskInfo->streamInfo.metaRsp.rspOffset.type = TMQ_OFFSET__LOG;
// pTaskInfo->streamInfo.metaRsp.resMsgType = pHead->msgType;
// pTaskInfo->streamInfo.metaRsp.metaRspLen = pHead->bodyLen;
// pTaskInfo->streamInfo.metaRsp.metaRsp = taosMemoryMalloc(pHead->bodyLen);
// memcpy(pTaskInfo->streamInfo.metaRsp.metaRsp, pHead->body, pHead->bodyLen);
// return NULL;
// }
// }
return NULL;
}
static void destroyRawScanOperatorInfo(void* param) {
SStreamRawScanInfo* pRawScan = (SStreamRawScanInfo*)param;
tsdbReaderClose(pRawScan->dataReader);
destroySnapContext(pRawScan->sContext);
tableListDestroy(pRawScan->pTableListInfo);
taosMemoryFree(pRawScan);
}
// 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, SExecTaskInfo* pTaskInfo) {
// create operator
// create tb reader
// create meta reader
// create tq reader
int32_t code = TSDB_CODE_SUCCESS;
SStreamRawScanInfo* pInfo = taosMemoryCalloc(1, sizeof(SStreamRawScanInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _end;
}
pInfo->pTableListInfo = tableListCreate();
pInfo->vnode = pHandle->vnode;
pInfo->sContext = pHandle->sContext;
setOperatorInfo(pOperator, "RawScanOperator", QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN, false, OP_NOT_OPENED, pInfo,
pTaskInfo);
pOperator->fpSet = createOperatorFpSet(NULL, doRawScan, NULL, destroyRawScanOperatorInfo, optrDefaultBufFn, NULL);
return pOperator;
_end:
taosMemoryFree(pInfo);
taosMemoryFree(pOperator);
pTaskInfo->code = code;
return NULL;
}
static void destroyStreamScanOperatorInfo(void* param) {
SStreamScanInfo* pStreamScan = (SStreamScanInfo*)param;
if (pStreamScan->pTableScanOp && pStreamScan->pTableScanOp->info) {
destroyOperator(pStreamScan->pTableScanOp);
}
if (pStreamScan->tqReader) {
tqCloseReader(pStreamScan->tqReader);
}
if (pStreamScan->matchInfo.pList) {
taosArrayDestroy(pStreamScan->matchInfo.pList);
}
if (pStreamScan->pPseudoExpr) {
destroyExprInfo(pStreamScan->pPseudoExpr, pStreamScan->numOfPseudoExpr);
taosMemoryFree(pStreamScan->pPseudoExpr);
}
cleanupExprSupp(&pStreamScan->tbnameCalSup);
cleanupExprSupp(&pStreamScan->tagCalSup);
updateInfoDestroy(pStreamScan->pUpdateInfo);
blockDataDestroy(pStreamScan->pRes);
blockDataDestroy(pStreamScan->pUpdateRes);
blockDataDestroy(pStreamScan->pPullDataRes);
blockDataDestroy(pStreamScan->pDeleteDataRes);
blockDataDestroy(pStreamScan->pUpdateDataRes);
blockDataDestroy(pStreamScan->pCreateTbRes);
taosArrayDestroy(pStreamScan->pBlockLists);
taosMemoryFree(pStreamScan);
}
SOperatorInfo* createStreamScanOperatorInfo(SReadHandle* pHandle, STableScanPhysiNode* pTableScanNode, SNode* pTagCond,
STableListInfo* pTableListInfo, SExecTaskInfo* pTaskInfo) {
SArray* pColIds = NULL;
SStreamScanInfo* pInfo = taosMemoryCalloc(1, sizeof(SStreamScanInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
tableListDestroy(pTableListInfo);
goto _error;
}
SScanPhysiNode* pScanPhyNode = &pTableScanNode->scan;
SDataBlockDescNode* pDescNode = pScanPhyNode->node.pOutputDataBlockDesc;
pInfo->pTagCond = pTagCond;
pInfo->pGroupTags = pTableScanNode->pGroupTags;
int32_t numOfCols = 0;
int32_t code =
extractColMatchInfo(pScanPhyNode->pScanCols, pDescNode, &numOfCols, COL_MATCH_FROM_COL_ID, &pInfo->matchInfo);
if (code != TSDB_CODE_SUCCESS) {
tableListDestroy(pTableListInfo);
goto _error;
}
int32_t numOfOutput = taosArrayGetSize(pInfo->matchInfo.pList);
pColIds = taosArrayInit(numOfOutput, sizeof(int16_t));
for (int32_t i = 0; i < numOfOutput; ++i) {
SColMatchItem* id = taosArrayGet(pInfo->matchInfo.pList, i);
int16_t colId = id->colId;
taosArrayPush(pColIds, &colId);
if (id->colId == PRIMARYKEY_TIMESTAMP_COL_ID) {
pInfo->primaryTsIndex = id->dstSlotId;
}
}
if (pTableScanNode->pSubtable != NULL) {
SExprInfo* pSubTableExpr = taosMemoryCalloc(1, sizeof(SExprInfo));
if (pSubTableExpr == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
tableListDestroy(pTableListInfo);
goto _error;
}
pInfo->tbnameCalSup.pExprInfo = pSubTableExpr;
createExprFromOneNode(pSubTableExpr, pTableScanNode->pSubtable, 0);
if (initExprSupp(&pInfo->tbnameCalSup, pSubTableExpr, 1) != 0) {
tableListDestroy(pTableListInfo);
goto _error;
}
}
if (pTableScanNode->pTags != NULL) {
int32_t numOfTags;
SExprInfo* pTagExpr = createExpr(pTableScanNode->pTags, &numOfTags);
if (pTagExpr == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
tableListDestroy(pTableListInfo);
goto _error;
}
if (initExprSupp(&pInfo->tagCalSup, pTagExpr, numOfTags) != 0) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
tableListDestroy(pTableListInfo);
goto _error;
}
}
pInfo->pBlockLists = taosArrayInit(4, sizeof(SPackedData));
if (pInfo->pBlockLists == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
tableListDestroy(pTableListInfo);
goto _error;
}
if (pHandle->vnode) {
SOperatorInfo* pTableScanOp = createTableScanOperatorInfo(pTableScanNode, pHandle, pTableListInfo, pTaskInfo);
STableScanInfo* pTSInfo = (STableScanInfo*)pTableScanOp->info;
if (pHandle->version > 0) {
pTSInfo->base.cond.endVersion = pHandle->version;
}
STableKeyInfo* pList = NULL;
int32_t num = 0;
tableListGetGroupList(pTableListInfo, 0, &pList, &num);
if (pHandle->initTableReader) {
pTSInfo->scanMode = TABLE_SCAN__TABLE_ORDER;
pTSInfo->base.dataReader = NULL;
}
if (pHandle->initTqReader) {
ASSERT(pHandle->tqReader == NULL);
pInfo->tqReader = tqReaderOpen(pHandle->vnode);
ASSERT(pInfo->tqReader);
} else {
ASSERT(pHandle->tqReader);
pInfo->tqReader = pHandle->tqReader;
}
pInfo->pUpdateInfo = NULL;
pInfo->pTableScanOp = pTableScanOp;
if (pInfo->pTableScanOp->pTaskInfo->streamInfo.pState) {
streamStateSetNumber(pInfo->pTableScanOp->pTaskInfo->streamInfo.pState, -1);
}
pInfo->readHandle = *pHandle;
pTaskInfo->streamInfo.snapshotVer = pHandle->version;
pInfo->pCreateTbRes = buildCreateTableBlock(&pInfo->tbnameCalSup, &pInfo->tagCalSup);
blockDataEnsureCapacity(pInfo->pCreateTbRes, 8);
// set the extract column id to streamHandle
tqReaderSetColIdList(pInfo->tqReader, pColIds);
SArray* tableIdList = extractTableIdList(((STableScanInfo*)(pInfo->pTableScanOp->info))->base.pTableListInfo);
code = tqReaderSetTbUidList(pInfo->tqReader, tableIdList);
if (code != 0) {
taosArrayDestroy(tableIdList);
goto _error;
}
taosArrayDestroy(tableIdList);
memcpy(&pTaskInfo->streamInfo.tableCond, &pTSInfo->base.cond, sizeof(SQueryTableDataCond));
} else {
taosArrayDestroy(pColIds);
tableListDestroy(pTableListInfo);
pColIds = NULL;
}
// create the pseduo columns info
if (pTableScanNode->scan.pScanPseudoCols != NULL) {
pInfo->pPseudoExpr = createExprInfo(pTableScanNode->scan.pScanPseudoCols, NULL, &pInfo->numOfPseudoExpr);
}
code = filterInitFromNode((SNode*)pScanPhyNode->node.pConditions, &pOperator->exprSupp.pFilterInfo, 0);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
pInfo->pRes = createDataBlockFromDescNode(pDescNode);
pInfo->pUpdateRes = createSpecialDataBlock(STREAM_CLEAR);
pInfo->scanMode = STREAM_SCAN_FROM_READERHANDLE;
pInfo->windowSup = (SWindowSupporter){.pStreamAggSup = NULL, .gap = -1, .parentType = QUERY_NODE_PHYSICAL_PLAN};
pInfo->groupId = 0;
pInfo->pPullDataRes = createSpecialDataBlock(STREAM_RETRIEVE);
pInfo->pStreamScanOp = pOperator;
pInfo->deleteDataIndex = 0;
pInfo->pDeleteDataRes = createSpecialDataBlock(STREAM_DELETE_DATA);
pInfo->updateWin = (STimeWindow){.skey = INT64_MAX, .ekey = INT64_MAX};
pInfo->pUpdateDataRes = createSpecialDataBlock(STREAM_CLEAR);
pInfo->assignBlockUid = pTableScanNode->assignBlockUid;
pInfo->partitionSup.needCalc = false;
pInfo->igCheckUpdate = pTableScanNode->igCheckUpdate;
pInfo->igExpired = pTableScanNode->igExpired;
pInfo->twAggSup.maxTs = INT64_MIN;
setOperatorInfo(pOperator, "StreamScanOperator", QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN, false, OP_NOT_OPENED, pInfo,
pTaskInfo);
pOperator->exprSupp.numOfExprs = taosArrayGetSize(pInfo->pRes->pDataBlock);
__optr_fn_t nextFn = (pTaskInfo->execModel == OPTR_EXEC_MODEL_STREAM) ? doStreamScan : doQueueScan;
pOperator->fpSet =
createOperatorFpSet(optrDummyOpenFn, nextFn, NULL, destroyStreamScanOperatorInfo, optrDefaultBufFn, NULL);
return pOperator;
_error:
if (pColIds != NULL) {
taosArrayDestroy(pColIds);
}
if (pInfo != NULL) {
destroyStreamScanOperatorInfo(pInfo);
}
taosMemoryFreeClear(pOperator);
return NULL;
}
static SSDataBlock* doTagScan(SOperatorInfo* pOperator) {
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
STagScanInfo* pInfo = pOperator->info;
SExprInfo* pExprInfo = &pOperator->exprSupp.pExprInfo[0];
SSDataBlock* pRes = pInfo->pRes;
blockDataCleanup(pRes);
int32_t size = tableListGetSize(pInfo->pTableListInfo);
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 = tableListGetInfo(pInfo->pTableListInfo, pInfo->curPos);
int32_t code = metaGetTableEntryByUid(&mr, item->uid);
tDecoderClear(&mr.coder);
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);
T_LONG_JMP(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);
colDataSetVal(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.ctbEntry.pTags, 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;
}
colDataSetVal(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) {
setOperatorCompleted(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) {
STagScanInfo* pInfo = (STagScanInfo*)param;
pInfo->pRes = blockDataDestroy(pInfo->pRes);
taosArrayDestroy(pInfo->matchInfo.pList);
pInfo->pTableListInfo = tableListDestroy(pInfo->pTableListInfo);
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 numOfExprs = 0;
SExprInfo* pExprInfo = createExprInfo(pPhyNode->pScanPseudoCols, NULL, &numOfExprs);
int32_t code = initExprSupp(&pOperator->exprSupp, pExprInfo, numOfExprs);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
int32_t num = 0;
code = extractColMatchInfo(pPhyNode->pScanPseudoCols, pDescNode, &num, COL_MATCH_FROM_COL_ID, &pInfo->matchInfo);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
pInfo->pTableListInfo = pTableListInfo;
pInfo->pRes = createDataBlockFromDescNode(pDescNode);
pInfo->readHandle = *pReadHandle;
pInfo->curPos = 0;
setOperatorInfo(pOperator, "TagScanOperator", QUERY_NODE_PHYSICAL_PLAN_TAG_SCAN, false, OP_NOT_OPENED, pInfo,
pTaskInfo);
initResultSizeInfo(&pOperator->resultInfo, 4096);
blockDataEnsureCapacity(pInfo->pRes, pOperator->resultInfo.capacity);
pOperator->fpSet =
createOperatorFpSet(optrDummyOpenFn, doTagScan, NULL, destroyTagScanOperatorInfo, optrDefaultBufFn, NULL);
return pOperator;
_error:
taosMemoryFree(pInfo);
taosMemoryFree(pOperator);
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
static SSDataBlock* getTableDataBlockImpl(void* param) {
STableMergeScanSortSourceParam* source = param;
SOperatorInfo* pOperator = source->pOperator;
STableMergeScanInfo* pInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
int32_t readIdx = source->readerIdx;
SSDataBlock* pBlock = source->inputBlock;
int32_t code = 0;
SQueryTableDataCond* pQueryCond = taosArrayGet(pInfo->queryConds, readIdx);
int64_t st = taosGetTimestampUs();
void* p = tableListGetInfo(pInfo->base.pTableListInfo, readIdx + pInfo->tableStartIndex);
SReadHandle* pHandle = &pInfo->base.readHandle;
if (NULL == source->dataReader || !source->multiReader) {
code = tsdbReaderOpen(pHandle->vnode, pQueryCond, p, 1, pBlock, &source->dataReader, GET_TASKID(pTaskInfo), false);
if (code != 0) {
T_LONG_JMP(pTaskInfo->env, code);
}
}
pInfo->base.dataReader = source->dataReader;
STsdbReader* reader = pInfo->base.dataReader;
bool hasNext = false;
qTrace("tsdb/read-table-data: %p, enter next reader", reader);
while (true) {
code = tsdbNextDataBlock(reader, &hasNext);
if (code != 0) {
tsdbReleaseDataBlock(reader);
pInfo->base.dataReader = NULL;
T_LONG_JMP(pTaskInfo->env, code);
}
if (!hasNext) {
break;
}
if (isTaskKilled(pTaskInfo)) {
tsdbReleaseDataBlock(reader);
pInfo->base.dataReader = NULL;
T_LONG_JMP(pTaskInfo->env, pTaskInfo->code);
}
// process this data block based on the probabilities
bool processThisBlock = processBlockWithProbability(&pInfo->sample);
if (!processThisBlock) {
continue;
}
if (pQueryCond->order == TSDB_ORDER_ASC) {
pQueryCond->twindows.skey = pBlock->info.window.ekey + 1;
} else {
pQueryCond->twindows.ekey = pBlock->info.window.skey - 1;
}
uint32_t status = 0;
code = loadDataBlock(pOperator, &pInfo->base, pBlock, &status);
// code = loadDataBlockFromOneTable(pOperator, pTableScanInfo, pBlock, &status);
if (code != TSDB_CODE_SUCCESS) {
T_LONG_JMP(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;
}
pBlock->info.id.groupId = getTableGroupId(pInfo->base.pTableListInfo, pBlock->info.id.uid);
pOperator->resultInfo.totalRows += pBlock->info.rows;
pInfo->base.readRecorder.elapsedTime += (taosGetTimestampUs() - st) / 1000.0;
qTrace("tsdb/read-table-data: %p, close reader", reader);
if (!source->multiReader) {
tsdbReaderClose(pInfo->base.dataReader);
source->dataReader = NULL;
}
pInfo->base.dataReader = NULL;
return pBlock;
}
if (!source->multiReader) {
tsdbReaderClose(pInfo->base.dataReader);
source->dataReader = NULL;
}
pInfo->base.dataReader = NULL;
return NULL;
}
SArray* generateSortByTsInfo(SArray* colMatchInfo, int32_t order) {
int32_t tsTargetSlotId = 0;
for (int32_t i = 0; i < taosArrayGetSize(colMatchInfo); ++i) {
SColMatchItem* colInfo = taosArrayGet(colMatchInfo, i);
if (colInfo->colId == PRIMARYKEY_TIMESTAMP_COL_ID) {
tsTargetSlotId = colInfo->dstSlotId;
}
}
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 dumpQueryTableCond(const SQueryTableDataCond* src, SQueryTableDataCond* dst) {
memcpy((void*)dst, (void*)src, sizeof(SQueryTableDataCond));
dst->colList = taosMemoryCalloc(src->numOfCols, sizeof(SColumnInfo));
for (int i = 0; i < src->numOfCols; i++) {
dst->colList[i] = src->colList[i];
}
return 0;
}
int32_t startGroupTableMergeScan(SOperatorInfo* pOperator) {
STableMergeScanInfo* pInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
{
size_t numOfTables = tableListGetSize(pInfo->base.pTableListInfo);
int32_t i = pInfo->tableStartIndex + 1;
for (; i < numOfTables; ++i) {
STableKeyInfo* tableKeyInfo = tableListGetInfo(pInfo->base.pTableListInfo, i);
if (tableKeyInfo->groupId != pInfo->groupId) {
break;
}
}
pInfo->tableEndIndex = i - 1;
}
int32_t tableStartIdx = pInfo->tableStartIndex;
int32_t tableEndIdx = pInfo->tableEndIndex;
pInfo->base.dataReader = NULL;
// 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, getTableDataBlockImpl, NULL, NULL);
// one table has one data block
int32_t numOfTable = tableEndIdx - tableStartIdx + 1;
pInfo->queryConds = taosArrayInit(numOfTable, sizeof(SQueryTableDataCond));
for (int32_t i = 0; i < numOfTable; ++i) {
STableMergeScanSortSourceParam param = {0};
param.readerIdx = i;
param.pOperator = pOperator;
param.multiReader = (numOfTable <= MULTI_READER_MAX_TABLE_NUM) ? true : false;
param.inputBlock = createOneDataBlock(pInfo->pResBlock, false);
blockDataEnsureCapacity(param.inputBlock, pOperator->resultInfo.capacity);
taosArrayPush(pInfo->sortSourceParams, &param);
SQueryTableDataCond cond;
dumpQueryTableCond(&pInfo->base.cond, &cond);
taosArrayPush(pInfo->queryConds, &cond);
}
for (int32_t i = 0; i < numOfTable; ++i) {
SSortSource* ps = taosMemoryCalloc(1, sizeof(SSortSource));
STableMergeScanSortSourceParam* param = taosArrayGet(pInfo->sortSourceParams, i);
ps->param = param;
ps->onlyRef = true;
tsortAddSource(pInfo->pSortHandle, ps);
}
int32_t code = tsortOpen(pInfo->pSortHandle);
if (code != TSDB_CODE_SUCCESS) {
T_LONG_JMP(pTaskInfo->env, terrno);
}
return TSDB_CODE_SUCCESS;
}
int32_t stopGroupTableMergeScan(SOperatorInfo* pOperator) {
STableMergeScanInfo* pInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
int32_t numOfTable = taosArrayGetSize(pInfo->queryConds);
SSortExecInfo sortExecInfo = tsortGetSortExecInfo(pInfo->pSortHandle);
pInfo->sortExecInfo.sortMethod = sortExecInfo.sortMethod;
pInfo->sortExecInfo.sortBuffer = sortExecInfo.sortBuffer;
pInfo->sortExecInfo.loops += sortExecInfo.loops;
pInfo->sortExecInfo.readBytes += sortExecInfo.readBytes;
pInfo->sortExecInfo.writeBytes += sortExecInfo.writeBytes;
for (int32_t i = 0; i < numOfTable; ++i) {
STableMergeScanSortSourceParam* param = taosArrayGet(pInfo->sortSourceParams, i);
blockDataDestroy(param->inputBlock);
tsdbReaderClose(param->dataReader);
param->dataReader = NULL;
}
taosArrayClear(pInfo->sortSourceParams);
tsortDestroySortHandle(pInfo->pSortHandle);
pInfo->pSortHandle = NULL;
for (int32_t i = 0; i < taosArrayGetSize(pInfo->queryConds); i++) {
SQueryTableDataCond* cond = taosArrayGet(pInfo->queryConds, i);
taosMemoryFree(cond->colList);
}
taosArrayDestroy(pInfo->queryConds);
pInfo->queryConds = NULL;
resetLimitInfoForNextGroup(&pInfo->limitInfo);
return TSDB_CODE_SUCCESS;
}
// all data produced by this function only belongs to one group
// slimit/soffset does not need to be concerned here, since this function only deal with data within one group.
SSDataBlock* getSortedTableMergeScanBlockData(SSortHandle* pHandle, SSDataBlock* pResBlock, int32_t capacity,
SOperatorInfo* pOperator) {
STableMergeScanInfo* pInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
blockDataCleanup(pResBlock);
while (1) {
STupleHandle* pTupleHandle = tsortNextTuple(pHandle);
if (pTupleHandle == NULL) {
break;
}
appendOneRowToDataBlock(pResBlock, pTupleHandle);
if (pResBlock->info.rows >= capacity) {
break;
}
}
bool limitReached = applyLimitOffset(&pInfo->limitInfo, pResBlock, pTaskInfo);
qDebug("%s get sorted row block, rows:%" PRId64 ", limit:%" PRId64, GET_TASKID(pTaskInfo), pResBlock->info.rows,
pInfo->limitInfo.numOfOutputRows);
return (pResBlock->info.rows > 0) ? pResBlock : 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) {
T_LONG_JMP(pTaskInfo->env, code);
}
size_t tableListSize = tableListGetSize(pInfo->base.pTableListInfo);
if (!pInfo->hasGroupId) {
pInfo->hasGroupId = true;
if (tableListSize == 0) {
setOperatorCompleted(pOperator);
return NULL;
}
pInfo->tableStartIndex = 0;
pInfo->groupId = ((STableKeyInfo*)tableListGetInfo(pInfo->base.pTableListInfo, pInfo->tableStartIndex))->groupId;
startGroupTableMergeScan(pOperator);
}
SSDataBlock* pBlock = NULL;
while (pInfo->tableStartIndex < tableListSize) {
if (isTaskKilled(pTaskInfo)) {
T_LONG_JMP(pTaskInfo->env, pTaskInfo->code);
}
pBlock = getSortedTableMergeScanBlockData(pInfo->pSortHandle, pInfo->pResBlock, pOperator->resultInfo.capacity,
pOperator);
if (pBlock != NULL) {
pBlock->info.id.groupId = pInfo->groupId;
pOperator->resultInfo.totalRows += pBlock->info.rows;
return pBlock;
} else {
// Data of this group are all dumped, let's try the next group
stopGroupTableMergeScan(pOperator);
if (pInfo->tableEndIndex >= tableListSize - 1) {
setOperatorCompleted(pOperator);
break;
}
pInfo->tableStartIndex = pInfo->tableEndIndex + 1;
pInfo->groupId = tableListGetInfo(pInfo->base.pTableListInfo, pInfo->tableStartIndex)->groupId;
startGroupTableMergeScan(pOperator);
resetLimitInfoForNextGroup(&pInfo->limitInfo);
}
}
return pBlock;
}
void destroyTableMergeScanOperatorInfo(void* param) {
STableMergeScanInfo* pTableScanInfo = (STableMergeScanInfo*)param;
cleanupQueryTableDataCond(&pTableScanInfo->base.cond);
int32_t numOfTable = taosArrayGetSize(pTableScanInfo->queryConds);
for (int32_t i = 0; i < numOfTable; i++) {
STableMergeScanSortSourceParam* p = taosArrayGet(pTableScanInfo->sortSourceParams, i);
blockDataDestroy(p->inputBlock);
tsdbReaderClose(p->dataReader);
p->dataReader = NULL;
}
tsdbReaderClose(pTableScanInfo->base.dataReader);
pTableScanInfo->base.dataReader = NULL;
taosArrayDestroy(pTableScanInfo->sortSourceParams);
tsortDestroySortHandle(pTableScanInfo->pSortHandle);
pTableScanInfo->pSortHandle = NULL;
for (int i = 0; i < taosArrayGetSize(pTableScanInfo->queryConds); i++) {
SQueryTableDataCond* pCond = taosArrayGet(pTableScanInfo->queryConds, i);
taosMemoryFree(pCond->colList);
}
taosArrayDestroy(pTableScanInfo->queryConds);
destroyTableScanBase(&pTableScanInfo->base);
pTableScanInfo->pResBlock = blockDataDestroy(pTableScanInfo->pResBlock);
pTableScanInfo->pSortInputBlock = blockDataDestroy(pTableScanInfo->pSortInputBlock);
taosArrayDestroy(pTableScanInfo->pSortInfo);
taosMemoryFreeClear(param);
}
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->base.readRecorder;
execInfo->sortExecInfo = pInfo->sortExecInfo;
*pOptrExplain = execInfo;
*len = sizeof(STableMergeScanExecInfo);
return TSDB_CODE_SUCCESS;
}
SOperatorInfo* createTableMergeScanOperatorInfo(STableScanPhysiNode* pTableScanNode, SReadHandle* readHandle,
STableListInfo* pTableListInfo, SExecTaskInfo* pTaskInfo) {
STableMergeScanInfo* pInfo = taosMemoryCalloc(1, sizeof(STableMergeScanInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
goto _error;
}
SDataBlockDescNode* pDescNode = pTableScanNode->scan.node.pOutputDataBlockDesc;
int32_t numOfCols = 0;
int32_t code = extractColMatchInfo(pTableScanNode->scan.pScanCols, pDescNode, &numOfCols, COL_MATCH_FROM_COL_ID,
&pInfo->base.matchInfo);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
code = initQueryTableDataCond(&pInfo->base.cond, pTableScanNode);
if (code != TSDB_CODE_SUCCESS) {
taosArrayDestroy(pInfo->base.matchInfo.pList);
goto _error;
}
if (pTableScanNode->scan.pScanPseudoCols != NULL) {
SExprSupp* pSup = &pInfo->base.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->base.metaCache.pTableMetaEntryCache = taosLRUCacheInit(1024 * 128, -1, .5);
if (pInfo->base.metaCache.pTableMetaEntryCache == NULL) {
code = terrno;
goto _error;
}
pInfo->base.dataBlockLoadFlag = FUNC_DATA_REQUIRED_DATA_LOAD;
pInfo->base.scanFlag = MAIN_SCAN;
pInfo->base.readHandle = *readHandle;
pInfo->base.limitInfo.limit.limit = -1;
pInfo->base.limitInfo.slimit.limit = -1;
pInfo->base.pTableListInfo = pTableListInfo;
pInfo->sample.sampleRatio = pTableScanNode->ratio;
pInfo->sample.seed = taosGetTimestampSec();
code = filterInitFromNode((SNode*)pTableScanNode->scan.node.pConditions, &pOperator->exprSupp.pFilterInfo, 0);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
initResultSizeInfo(&pOperator->resultInfo, 1024);
pInfo->pResBlock = createDataBlockFromDescNode(pDescNode);
blockDataEnsureCapacity(pInfo->pResBlock, pOperator->resultInfo.capacity);
pInfo->sortSourceParams = taosArrayInit(64, sizeof(STableMergeScanSortSourceParam));
pInfo->pSortInfo = generateSortByTsInfo(pInfo->base.matchInfo.pList, pInfo->base.cond.order);
pInfo->pSortInputBlock = createOneDataBlock(pInfo->pResBlock, false);
initLimitInfo(pTableScanNode->scan.node.pLimit, pTableScanNode->scan.node.pSlimit, &pInfo->limitInfo);
int32_t rowSize = pInfo->pResBlock->info.rowSize;
uint32_t nCols = taosArrayGetSize(pInfo->pResBlock->pDataBlock);
pInfo->bufPageSize = getProperSortPageSize(rowSize, nCols);
setOperatorInfo(pOperator, "TableMergeScanOperator", QUERY_NODE_PHYSICAL_PLAN_TABLE_MERGE_SCAN, false, OP_NOT_OPENED,
pInfo, pTaskInfo);
pOperator->exprSupp.numOfExprs = numOfCols;
pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doTableMergeScan, NULL, destroyTableMergeScanOperatorInfo,
optrDefaultBufFn, getTableMergeScanExplainExecInfo);
pOperator->cost.openCost = 0;
return pOperator;
_error:
pTaskInfo->code = TSDB_CODE_OUT_OF_MEMORY;
taosMemoryFree(pInfo);
taosMemoryFree(pOperator);
return NULL;
}
// ====================================================================================================================
// TableCountScanOperator
static SSDataBlock* doTableCountScan(SOperatorInfo* pOperator);
static void destoryTableCountScanOperator(void* param);
static void buildVnodeGroupedStbTableCount(STableCountScanOperatorInfo* pInfo, STableCountScanSupp* pSupp,
SSDataBlock* pRes, char* dbName, tb_uid_t stbUid);
static void buildVnodeGroupedNtbTableCount(STableCountScanOperatorInfo* pInfo, STableCountScanSupp* pSupp,
SSDataBlock* pRes, char* dbName);
static void buildVnodeFilteredTbCount(SOperatorInfo* pOperator, STableCountScanOperatorInfo* pInfo,
STableCountScanSupp* pSupp, SSDataBlock* pRes, char* dbName);
static void buildVnodeGroupedTableCount(SOperatorInfo* pOperator, STableCountScanOperatorInfo* pInfo,
STableCountScanSupp* pSupp, SSDataBlock* pRes, int32_t vgId, char* dbName);
static SSDataBlock* buildVnodeDbTableCount(SOperatorInfo* pOperator, STableCountScanOperatorInfo* pInfo,
STableCountScanSupp* pSupp, SSDataBlock* pRes);
static void buildSysDbGroupedTableCount(SOperatorInfo* pOperator, STableCountScanOperatorInfo* pInfo,
STableCountScanSupp* pSupp, SSDataBlock* pRes, size_t infodbTableNum,
size_t perfdbTableNum);
static void buildSysDbFilterTableCount(SOperatorInfo* pOperator, STableCountScanSupp* pSupp, SSDataBlock* pRes,
size_t infodbTableNum, size_t perfdbTableNum);
static const char* GROUP_TAG_DB_NAME = "db_name";
static const char* GROUP_TAG_STABLE_NAME = "stable_name";
int32_t tblCountScanGetGroupTagsSlotId(const SNodeList* scanCols, STableCountScanSupp* supp) {
if (scanCols != NULL) {
SNode* pNode = NULL;
FOREACH(pNode, scanCols) {
if (nodeType(pNode) != QUERY_NODE_TARGET) {
return TSDB_CODE_QRY_SYS_ERROR;
}
STargetNode* targetNode = (STargetNode*)pNode;
if (nodeType(targetNode->pExpr) != QUERY_NODE_COLUMN) {
return TSDB_CODE_QRY_SYS_ERROR;
}
SColumnNode* colNode = (SColumnNode*)(targetNode->pExpr);
if (strcmp(colNode->colName, GROUP_TAG_DB_NAME) == 0) {
supp->dbNameSlotId = targetNode->slotId;
} else if (strcmp(colNode->colName, GROUP_TAG_STABLE_NAME) == 0) {
supp->stbNameSlotId = targetNode->slotId;
}
}
}
return TSDB_CODE_SUCCESS;
}
int32_t tblCountScanGetCountSlotId(const SNodeList* pseudoCols, STableCountScanSupp* supp) {
if (pseudoCols != NULL) {
SNode* pNode = NULL;
FOREACH(pNode, pseudoCols) {
if (nodeType(pNode) != QUERY_NODE_TARGET) {
return TSDB_CODE_QRY_SYS_ERROR;
}
STargetNode* targetNode = (STargetNode*)pNode;
if (nodeType(targetNode->pExpr) != QUERY_NODE_FUNCTION) {
return TSDB_CODE_QRY_SYS_ERROR;
}
SFunctionNode* funcNode = (SFunctionNode*)(targetNode->pExpr);
if (funcNode->funcType == FUNCTION_TYPE_TABLE_COUNT) {
supp->tbCountSlotId = targetNode->slotId;
}
}
}
return TSDB_CODE_SUCCESS;
}
int32_t tblCountScanGetInputs(SNodeList* groupTags, SName* tableName, STableCountScanSupp* supp) {
if (groupTags != NULL) {
SNode* pNode = NULL;
FOREACH(pNode, groupTags) {
if (nodeType(pNode) != QUERY_NODE_COLUMN) {
return TSDB_CODE_QRY_SYS_ERROR;
}
SColumnNode* colNode = (SColumnNode*)pNode;
if (strcmp(colNode->colName, GROUP_TAG_DB_NAME) == 0) {
supp->groupByDbName = true;
}
if (strcmp(colNode->colName, GROUP_TAG_STABLE_NAME) == 0) {
supp->groupByStbName = true;
}
}
} else {
tstrncpy(supp->dbNameFilter, tNameGetDbNameP(tableName), TSDB_DB_NAME_LEN);
tstrncpy(supp->stbNameFilter, tNameGetTableName(tableName), TSDB_TABLE_NAME_LEN);
}
return TSDB_CODE_SUCCESS;
}
int32_t getTableCountScanSupp(SNodeList* groupTags, SName* tableName, SNodeList* scanCols, SNodeList* pseudoCols,
STableCountScanSupp* supp, SExecTaskInfo* taskInfo) {
int32_t code = 0;
code = tblCountScanGetInputs(groupTags, tableName, supp);
if (code != TSDB_CODE_SUCCESS) {
qError("%s get table count scan supp. get inputs error", GET_TASKID(taskInfo));
return code;
}
supp->dbNameSlotId = -1;
supp->stbNameSlotId = -1;
supp->tbCountSlotId = -1;
code = tblCountScanGetGroupTagsSlotId(scanCols, supp);
if (code != TSDB_CODE_SUCCESS) {
qError("%s get table count scan supp. get group tags slot id error", GET_TASKID(taskInfo));
return code;
}
code = tblCountScanGetCountSlotId(pseudoCols, supp);
if (code != TSDB_CODE_SUCCESS) {
qError("%s get table count scan supp. get count error", GET_TASKID(taskInfo));
return code;
}
return code;
}
SOperatorInfo* createTableCountScanOperatorInfo(SReadHandle* readHandle, STableCountScanPhysiNode* pTblCountScanNode,
SExecTaskInfo* pTaskInfo) {
int32_t code = TSDB_CODE_SUCCESS;
SScanPhysiNode* pScanNode = &pTblCountScanNode->scan;
STableCountScanOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(STableCountScanOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (!pInfo || !pOperator) {
goto _error;
}
pInfo->readHandle = *readHandle;
SDataBlockDescNode* pDescNode = pScanNode->node.pOutputDataBlockDesc;
initResultSizeInfo(&pOperator->resultInfo, 1);
pInfo->pRes = createDataBlockFromDescNode(pDescNode);
blockDataEnsureCapacity(pInfo->pRes, pOperator->resultInfo.capacity);
getTableCountScanSupp(pTblCountScanNode->pGroupTags, &pTblCountScanNode->scan.tableName,
pTblCountScanNode->scan.pScanCols, pTblCountScanNode->scan.pScanPseudoCols, &pInfo->supp,
pTaskInfo);
setOperatorInfo(pOperator, "TableCountScanOperator", QUERY_NODE_PHYSICAL_PLAN_TABLE_COUNT_SCAN, false, OP_NOT_OPENED,
pInfo, pTaskInfo);
pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doTableCountScan, NULL, destoryTableCountScanOperator,
optrDefaultBufFn, NULL);
return pOperator;
_error:
if (pInfo != NULL) {
destoryTableCountScanOperator(pInfo);
}
taosMemoryFreeClear(pOperator);
pTaskInfo->code = code;
return NULL;
}
void fillTableCountScanDataBlock(STableCountScanSupp* pSupp, char* dbName, char* stbName, int64_t count,
SSDataBlock* pRes) {
if (pSupp->dbNameSlotId != -1) {
ASSERT(strlen(dbName));
SColumnInfoData* colInfoData = taosArrayGet(pRes->pDataBlock, pSupp->dbNameSlotId);
char varDbName[TSDB_DB_NAME_LEN + VARSTR_HEADER_SIZE] = {0};
tstrncpy(varDataVal(varDbName), dbName, TSDB_DB_NAME_LEN);
varDataSetLen(varDbName, strlen(dbName));
colDataSetVal(colInfoData, 0, varDbName, false);
}
if (pSupp->stbNameSlotId != -1) {
SColumnInfoData* colInfoData = taosArrayGet(pRes->pDataBlock, pSupp->stbNameSlotId);
if (strlen(stbName) != 0) {
char varStbName[TSDB_TABLE_NAME_LEN + VARSTR_HEADER_SIZE] = {0};
strncpy(varDataVal(varStbName), stbName, TSDB_TABLE_NAME_LEN);
varDataSetLen(varStbName, strlen(stbName));
colDataSetVal(colInfoData, 0, varStbName, false);
} else {
colDataSetNULL(colInfoData, 0);
}
}
if (pSupp->tbCountSlotId != -1) {
SColumnInfoData* colInfoData = taosArrayGet(pRes->pDataBlock, pSupp->tbCountSlotId);
colDataSetVal(colInfoData, 0, (char*)&count, false);
}
pRes->info.rows = 1;
}
static SSDataBlock* buildSysDbTableCount(SOperatorInfo* pOperator, STableCountScanOperatorInfo* pInfo) {
STableCountScanSupp* pSupp = &pInfo->supp;
SSDataBlock* pRes = pInfo->pRes;
size_t infodbTableNum;
getInfosDbMeta(NULL, &infodbTableNum);
size_t perfdbTableNum;
getPerfDbMeta(NULL, &perfdbTableNum);
if (pSupp->groupByDbName || pSupp->groupByStbName) {
buildSysDbGroupedTableCount(pOperator, pInfo, pSupp, pRes, infodbTableNum, perfdbTableNum);
return (pRes->info.rows > 0) ? pRes : NULL;
} else {
buildSysDbFilterTableCount(pOperator, pSupp, pRes, infodbTableNum, perfdbTableNum);
return (pRes->info.rows > 0) ? pRes : NULL;
}
}
static void buildSysDbFilterTableCount(SOperatorInfo* pOperator, STableCountScanSupp* pSupp, SSDataBlock* pRes,
size_t infodbTableNum, size_t perfdbTableNum) {
if (strcmp(pSupp->dbNameFilter, TSDB_INFORMATION_SCHEMA_DB) == 0) {
fillTableCountScanDataBlock(pSupp, TSDB_INFORMATION_SCHEMA_DB, "", infodbTableNum, pRes);
} else if (strcmp(pSupp->dbNameFilter, TSDB_PERFORMANCE_SCHEMA_DB) == 0) {
fillTableCountScanDataBlock(pSupp, TSDB_PERFORMANCE_SCHEMA_DB, "", perfdbTableNum, pRes);
} else if (strlen(pSupp->dbNameFilter) == 0) {
fillTableCountScanDataBlock(pSupp, "", "", infodbTableNum + perfdbTableNum, pRes);
}
setOperatorCompleted(pOperator);
}
static void buildSysDbGroupedTableCount(SOperatorInfo* pOperator, STableCountScanOperatorInfo* pInfo,
STableCountScanSupp* pSupp, SSDataBlock* pRes, size_t infodbTableNum,
size_t perfdbTableNum) {
if (pInfo->currGrpIdx == 0) {
uint64_t groupId = 0;
if (pSupp->groupByDbName) {
groupId = calcGroupId(TSDB_INFORMATION_SCHEMA_DB, strlen(TSDB_INFORMATION_SCHEMA_DB));
} else {
groupId = calcGroupId("", 0);
}
pRes->info.id.groupId = groupId;
fillTableCountScanDataBlock(pSupp, TSDB_INFORMATION_SCHEMA_DB, "", infodbTableNum, pRes);
} else if (pInfo->currGrpIdx == 1) {
uint64_t groupId = 0;
if (pSupp->groupByDbName) {
groupId = calcGroupId(TSDB_PERFORMANCE_SCHEMA_DB, strlen(TSDB_PERFORMANCE_SCHEMA_DB));
} else {
groupId = calcGroupId("", 0);
}
pRes->info.id.groupId = groupId;
fillTableCountScanDataBlock(pSupp, TSDB_PERFORMANCE_SCHEMA_DB, "", perfdbTableNum, pRes);
} else {
setOperatorCompleted(pOperator);
}
pInfo->currGrpIdx++;
}
static SSDataBlock* doTableCountScan(SOperatorInfo* pOperator) {
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
STableCountScanOperatorInfo* pInfo = pOperator->info;
STableCountScanSupp* pSupp = &pInfo->supp;
SSDataBlock* pRes = pInfo->pRes;
blockDataCleanup(pRes);
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
if (pInfo->readHandle.mnd != NULL) {
return buildSysDbTableCount(pOperator, pInfo);
}
return buildVnodeDbTableCount(pOperator, pInfo, pSupp, pRes);
}
static SSDataBlock* buildVnodeDbTableCount(SOperatorInfo* pOperator, STableCountScanOperatorInfo* pInfo,
STableCountScanSupp* pSupp, SSDataBlock* pRes) {
const char* db = NULL;
int32_t vgId = 0;
char dbName[TSDB_DB_NAME_LEN] = {0};
// get dbname
vnodeGetInfo(pInfo->readHandle.vnode, &db, &vgId);
SName sn = {0};
tNameFromString(&sn, db, T_NAME_ACCT | T_NAME_DB);
tNameGetDbName(&sn, dbName);
if (pSupp->groupByDbName || pSupp->groupByStbName) {
buildVnodeGroupedTableCount(pOperator, pInfo, pSupp, pRes, vgId, dbName);
} else {
buildVnodeFilteredTbCount(pOperator, pInfo, pSupp, pRes, dbName);
}
return pRes->info.rows > 0 ? pRes : NULL;
}
static void buildVnodeGroupedTableCount(SOperatorInfo* pOperator, STableCountScanOperatorInfo* pInfo,
STableCountScanSupp* pSupp, SSDataBlock* pRes, int32_t vgId, char* dbName) {
if (pSupp->groupByStbName) {
if (pInfo->stbUidList == NULL) {
pInfo->stbUidList = taosArrayInit(16, sizeof(tb_uid_t));
if (vnodeGetStbIdList(pInfo->readHandle.vnode, 0, pInfo->stbUidList) < 0) {
qError("vgId:%d, failed to get stb id list error: %s", vgId, terrstr());
}
}
if (pInfo->currGrpIdx < taosArrayGetSize(pInfo->stbUidList)) {
tb_uid_t stbUid = *(tb_uid_t*)taosArrayGet(pInfo->stbUidList, pInfo->currGrpIdx);
buildVnodeGroupedStbTableCount(pInfo, pSupp, pRes, dbName, stbUid);
pInfo->currGrpIdx++;
} else if (pInfo->currGrpIdx == taosArrayGetSize(pInfo->stbUidList)) {
buildVnodeGroupedNtbTableCount(pInfo, pSupp, pRes, dbName);
pInfo->currGrpIdx++;
} else {
setOperatorCompleted(pOperator);
}
} else {
uint64_t groupId = calcGroupId(dbName, strlen(dbName));
pRes->info.id.groupId = groupId;
int64_t dbTableCount = metaGetTbNum(pInfo->readHandle.meta);
fillTableCountScanDataBlock(pSupp, dbName, "", dbTableCount, pRes);
setOperatorCompleted(pOperator);
}
}
static void buildVnodeFilteredTbCount(SOperatorInfo* pOperator, STableCountScanOperatorInfo* pInfo,
STableCountScanSupp* pSupp, SSDataBlock* pRes, char* dbName) {
if (strlen(pSupp->dbNameFilter) != 0) {
if (strlen(pSupp->stbNameFilter) != 0) {
tb_uid_t uid = metaGetTableEntryUidByName(pInfo->readHandle.meta, pSupp->stbNameFilter);
SMetaStbStats stats = {0};
metaGetStbStats(pInfo->readHandle.meta, uid, &stats);
int64_t ctbNum = stats.ctbNum;
fillTableCountScanDataBlock(pSupp, dbName, pSupp->stbNameFilter, ctbNum, pRes);
} else {
int64_t tbNumVnode = metaGetTbNum(pInfo->readHandle.meta);
fillTableCountScanDataBlock(pSupp, dbName, "", tbNumVnode, pRes);
}
} else {
int64_t tbNumVnode = metaGetTbNum(pInfo->readHandle.meta);
fillTableCountScanDataBlock(pSupp, dbName, "", tbNumVnode, pRes);
}
setOperatorCompleted(pOperator);
}
static void buildVnodeGroupedNtbTableCount(STableCountScanOperatorInfo* pInfo, STableCountScanSupp* pSupp,
SSDataBlock* pRes, char* dbName) {
char fullStbName[TSDB_TABLE_FNAME_LEN] = {0};
if (pSupp->groupByDbName) {
snprintf(fullStbName, TSDB_TABLE_FNAME_LEN, "%s.%s", dbName, "");
}
uint64_t groupId = calcGroupId(fullStbName, strlen(fullStbName));
pRes->info.id.groupId = groupId;
int64_t ntbNum = metaGetNtbNum(pInfo->readHandle.meta);
if (ntbNum != 0) {
fillTableCountScanDataBlock(pSupp, dbName, "", ntbNum, pRes);
}
}
static void buildVnodeGroupedStbTableCount(STableCountScanOperatorInfo* pInfo, STableCountScanSupp* pSupp,
SSDataBlock* pRes, char* dbName, tb_uid_t stbUid) {
char stbName[TSDB_TABLE_NAME_LEN] = {0};
metaGetTableSzNameByUid(pInfo->readHandle.meta, stbUid, stbName);
char fullStbName[TSDB_TABLE_FNAME_LEN] = {0};
if (pSupp->groupByDbName) {
snprintf(fullStbName, TSDB_TABLE_FNAME_LEN, "%s.%s", dbName, stbName);
} else {
snprintf(fullStbName, TSDB_TABLE_FNAME_LEN, "%s", stbName);
}
uint64_t groupId = calcGroupId(fullStbName, strlen(fullStbName));
pRes->info.id.groupId = groupId;
SMetaStbStats stats = {0};
metaGetStbStats(pInfo->readHandle.meta, stbUid, &stats);
int64_t ctbNum = stats.ctbNum;
fillTableCountScanDataBlock(pSupp, dbName, stbName, ctbNum, pRes);
}
static void destoryTableCountScanOperator(void* param) {
STableCountScanOperatorInfo* pTableCountScanInfo = param;
blockDataDestroy(pTableCountScanInfo->pRes);
taosArrayDestroy(pTableCountScanInfo->stbUidList);
taosMemoryFreeClear(param);
}