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Merge pull request #14041 from taosdata/feature/3_liaohj 

feature(query): support interp function, and do some internal refactor.
This commit is contained in:
Haojun Liao 2022-06-21 10:45:01 +08:00 committed by GitHub
parent 7571d9d91e bbe1deaf00
commit e9b0d93907
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 347 additions and 254 deletions
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1
source/client/src/clientMain.c
View File

@ -887,6 +887,7 @@ void taos_fetch_rows_a(TAOS_RES *res, __taos_async_fn_t fp, void *param) {
SRequestObj *pRequest = res; SRequestObj *pRequest = res;
pRequest->body.fetchFp = fp; pRequest->body.fetchFp = fp;
pRequest->body.param = param;
SReqResultInfo *pResultInfo = &pRequest->body.resInfo; SReqResultInfo *pResultInfo = &pRequest->body.resInfo;
if (taos_num_fields(pRequest) == 0) { if (taos_num_fields(pRequest) == 0) {

89
source/client/test/clientTests.cpp
View File

@ -43,6 +43,26 @@ void showDB(TAOS* pConn) {
} }
} }
void printResult(TAOS_RES* pRes) {
TAOS_ROW pRow = NULL;
TAOS_FIELD* pFields = taos_fetch_fields(pRes);
int32_t numOfFields = taos_num_fields(pRes);
int32_t n = 0;
char str[512] = {0};
while ((pRow = taos_fetch_row(pRes)) != NULL) {
int32_t* length = taos_fetch_lengths(pRes);
for(int32_t i = 0; i < numOfFields; ++i) {
printf("(%d):%d " , i, length[i]);
}
printf("\n");
int32_t code = taos_print_row(str, pRow, pFields, numOfFields);
printf("%s\n", str);
memset(str, 0, sizeof(str));
}
}
void fetchCallback(void* param, void* res, int32_t numOfRow) { void fetchCallback(void* param, void* res, int32_t numOfRow) {
#if 0 #if 0
printf("numOfRow = %d \n", numOfRow); printf("numOfRow = %d \n", numOfRow);
@ -729,48 +749,31 @@ TEST(testCase, projection_query_tables) {
// taos_close(pConn); // taos_close(pConn);
//} //}
//TEST(testCase, agg_query_tables) {
// TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
// ASSERT_NE(pConn, nullptr);
//
// TAOS_RES* pRes = taos_query(pConn, "use abc1");
// if (taos_errno(pRes) != 0) {
// printf("failed to use db, reason:%s\n", taos_errstr(pRes));
// taos_free_result(pRes);
// ASSERT_TRUE(false);
// }
// taos_free_result(pRes);
//
// pRes = taos_query(pConn, "show stables");
// if (taos_errno(pRes) != 0) {
// printf("failed to select from table, reason:%s\n", taos_errstr(pRes));
// taos_free_result(pRes);
// ASSERT_TRUE(false);
// }
//
// TAOS_ROW pRow = NULL;
// TAOS_FIELD* pFields = taos_fetch_fields(pRes);
// int32_t numOfFields = taos_num_fields(pRes);
//
// int32_t n = 0;
// char str[512] = {0};
// while ((pRow = taos_fetch_row(pRes)) != NULL) {
// int32_t* length = taos_fetch_lengths(pRes);
// for(int32_t i = 0; i < numOfFields; ++i) {
// printf("(%d):%d " , i, length[i]);
// }
// printf("\n");
//
// int32_t code = taos_print_row(str, pRow, pFields, numOfFields);
// printf("%s\n", str);
// memset(str, 0, sizeof(str));
// }
//
// taos_free_result(pRes);
// taos_close(pConn);
//}
#endif
TEST(testCase, agg_query_tables) {
TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
ASSERT_NE(pConn, nullptr);
TAOS_RES* pRes = taos_query(pConn, "use abc1");
if (taos_errno(pRes) != 0) {
printf("failed to use db, reason:%s\n", taos_errstr(pRes));
taos_free_result(pRes);
ASSERT_TRUE(false);
}
taos_free_result(pRes);
pRes = taos_query(pConn, "show table distributed st1");
if (taos_errno(pRes) != 0) {
printf("failed to select from table, reason:%s\n", taos_errstr(pRes));
taos_free_result(pRes);
ASSERT_TRUE(false);
}
printResult(pRes);
taos_free_result(pRes);
taos_close(pConn);
}
#endif
/* /*
--- copy the following script in the shell to setup the environment --- --- copy the following script in the shell to setup the environment ---
@ -786,7 +789,7 @@ TEST(testCase, async_api_test) {
TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0); TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
ASSERT_NE(pConn, nullptr); ASSERT_NE(pConn, nullptr);
taos_query(pConn, "use table_alltype_hyperloglog"); taos_query(pConn, "use abc1");
#if 0 #if 0
TAOS_RES* pRes = taos_query(pConn, "insert into tu(ts) values('2022-02-27 12:12:61')"); TAOS_RES* pRes = taos_query(pConn, "insert into tu(ts) values('2022-02-27 12:12:61')");
if (taos_errno(pRes) != 0) { if (taos_errno(pRes) != 0) {
@ -812,7 +815,7 @@ TEST(testCase, async_api_test) {
} }
#endif #endif
taos_query_a(pConn, "select HYPERLOGLOG(q_ts) from stable_1_2 where ts between 1630000001000 and 1630100001000 interval(19d) Fill(NONE);", queryCallback, pConn); taos_query_a(pConn, "select count(*) from tu", queryCallback, pConn);
getchar(); getchar();
taos_close(pConn); taos_close(pConn);
} }

2
source/libs/executor/inc/executil.h
View File

@ -123,4 +123,6 @@ SColumn extractColumnFromColumnNode(SColumnNode* pColNode);
int32_t initQueryTableDataCond(SQueryTableDataCond* pCond, const STableScanPhysiNode* pTableScanNode); int32_t initQueryTableDataCond(SQueryTableDataCond* pCond, const STableScanPhysiNode* pTableScanNode);
void cleanupQueryTableDataCond(SQueryTableDataCond* pCond); void cleanupQueryTableDataCond(SQueryTableDataCond* pCond);
int32_t convertFillType(int32_t mode);
#endif // TDENGINE_QUERYUTIL_H #endif // TDENGINE_QUERYUTIL_H

11
source/libs/executor/inc/executorimpl.h
View File

@ -566,13 +566,14 @@ typedef struct SStreamSessionAggOperatorInfo {
} SStreamSessionAggOperatorInfo; } SStreamSessionAggOperatorInfo;
typedef struct STimeSliceOperatorInfo { typedef struct STimeSliceOperatorInfo {
SOptrBasicInfo binfo; SSDataBlock* pRes;
STimeWindow win; STimeWindow win;
SInterval interval; SInterval interval;
int64_t current; int64_t current;
SArray* pPrevRow; // SArray<SGroupValue> SArray* pPrevRow; // SArray<SGroupValue>
SArray* pCols; // SArray<SColumn>
int32_t fillType; // fill type int32_t fillType; // fill type
SColumn tsCol; // primary timestamp column
SExprSupp scalarSup; // scalar calculation
struct SFillColInfo* pFillColInfo; // fill column info struct SFillColInfo* pFillColInfo; // fill column info
} STimeSliceOperatorInfo; } STimeSliceOperatorInfo;
@ -670,7 +671,7 @@ int32_t appendDownstream(SOperatorInfo* p, SOperatorInfo** pDownstream, int32_t
void initBasicInfo(SOptrBasicInfo* pInfo, SSDataBlock* pBlock); void initBasicInfo(SOptrBasicInfo* pInfo, SSDataBlock* pBlock);
void cleanupBasicInfo(SOptrBasicInfo* pInfo); void cleanupBasicInfo(SOptrBasicInfo* pInfo);
void initExprSupp(SExprSupp* pSup, SExprInfo* pExprInfo, int32_t numOfExpr); int32_t initExprSupp(SExprSupp* pSup, SExprInfo* pExprInfo, int32_t numOfExpr);
void cleanupExprSup(SExprSupp* pSup); void cleanupExprSup(SExprSupp* pSup);
int32_t initAggInfo(SExprSupp *pSup, SAggSupporter* pAggSup, SExprInfo* pExprInfo, int32_t numOfCols, size_t keyBufSize, int32_t initAggInfo(SExprSupp *pSup, SAggSupporter* pAggSup, SExprInfo* pExprInfo, int32_t numOfCols, size_t keyBufSize,
const char* pkey); const char* pkey);
@ -757,8 +758,8 @@ SOperatorInfo* createStatewindowOperatorInfo(SOperatorInfo* downstream, SExprInf
SOperatorInfo* createPartitionOperatorInfo(SOperatorInfo* downstream, SPartitionPhysiNode* pPartNode, SExecTaskInfo* pTaskInfo); SOperatorInfo* createPartitionOperatorInfo(SOperatorInfo* downstream, SPartitionPhysiNode* pPartNode, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createTimeSliceOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols, SOperatorInfo* createTimeSliceOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pNode, /*SExprInfo* pExprInfo, int32_t numOfCols,
SSDataBlock* pResultBlock, const SNodeListNode* pValNode, SExecTaskInfo* pTaskInfo); SSDataBlock* pResultBlock, const SNodeListNode* pValNode, */SExecTaskInfo* pTaskInfo);
SOperatorInfo* createMergeJoinOperatorInfo(SOperatorInfo** pDownstream, int32_t numOfDownstream, SJoinPhysiNode* pJoinNode, SOperatorInfo* createMergeJoinOperatorInfo(SOperatorInfo** pDownstream, int32_t numOfDownstream, SJoinPhysiNode* pJoinNode,
SExecTaskInfo* pTaskInfo); SExecTaskInfo* pTaskInfo);

30
source/libs/executor/src/executil.c
View File

@ -694,4 +694,32 @@ int32_t initQueryTableDataCond(SQueryTableDataCond* pCond, const STableScanPhysi
void cleanupQueryTableDataCond(SQueryTableDataCond* pCond) { void cleanupQueryTableDataCond(SQueryTableDataCond* pCond) {
taosMemoryFree(pCond->twindows); taosMemoryFree(pCond->twindows);
taosMemoryFree(pCond->colList); taosMemoryFree(pCond->colList);
} }
int32_t convertFillType(int32_t mode) {
int32_t type = TSDB_FILL_NONE;
switch (mode) {
case FILL_MODE_PREV:
type = TSDB_FILL_PREV;
break;
case FILL_MODE_NONE:
type = TSDB_FILL_NONE;
break;
case FILL_MODE_NULL:
type = TSDB_FILL_NULL;
break;
case FILL_MODE_NEXT:
type = TSDB_FILL_NEXT;
break;
case FILL_MODE_VALUE:
type = TSDB_FILL_SET_VALUE;
break;
case FILL_MODE_LINEAR:
type = TSDB_FILL_LINEAR;
break;
default:
type = TSDB_FILL_NONE;
}
return type;
}

94
source/libs/executor/src/executorimpl.c
View File

@ -2754,7 +2754,11 @@ SOperatorInfo* createSortedMergeOperatorInfo(SOperatorInfo** downstream, int32_t
goto _error; goto _error;
} }
pOperator->exprSupp.pCtx = createSqlFunctionCtx(pExprInfo, num, &pOperator->exprSupp.rowEntryInfoOffset); int32_t code = initExprSupp(&pOperator->exprSupp, pExprInfo, num);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
initResultRowInfo(&pInfo->binfo.resultRowInfo); initResultRowInfo(&pInfo->binfo.resultRowInfo);
if (pOperator->exprSupp.pCtx == NULL || pInfo->binfo.pRes == NULL) { if (pOperator->exprSupp.pCtx == NULL || pInfo->binfo.pRes == NULL) {
@ -2762,7 +2766,7 @@ SOperatorInfo* createSortedMergeOperatorInfo(SOperatorInfo** downstream, int32_t
} }
size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES; size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
int32_t code = doInitAggInfoSup(&pInfo->aggSup, pOperator->exprSupp.pCtx, num, keyBufSize, pTaskInfo->id.str); code = doInitAggInfoSup(&pInfo->aggSup, pOperator->exprSupp.pCtx, num, keyBufSize, pTaskInfo->id.str);
if (code != TSDB_CODE_SUCCESS) { if (code != TSDB_CODE_SUCCESS) {
goto _error; goto _error;
} }
@ -2783,12 +2787,9 @@ SOperatorInfo* createSortedMergeOperatorInfo(SOperatorInfo** downstream, int32_t
pOperator->name = "SortedMerge"; pOperator->name = "SortedMerge";
// pOperator->operatorType = OP_SortedMerge; // pOperator->operatorType = OP_SortedMerge;
pOperator->blocking = true; pOperator->blocking = true;
pOperator->status = OP_NOT_OPENED; pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo; pOperator->info = pInfo;
pOperator->exprSupp.numOfExprs = num;
pOperator->exprSupp.pExprInfo = pExprInfo;
pOperator->pTaskInfo = pTaskInfo; pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doSortedMerge, NULL, NULL, destroySortedMergeOperatorInfo, pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doSortedMerge, NULL, NULL, destroySortedMergeOperatorInfo,
@ -3408,7 +3409,11 @@ void cleanupAggSup(SAggSupporter* pAggSup) {
int32_t initAggInfo(SExprSupp* pSup, SAggSupporter* pAggSup, SExprInfo* pExprInfo, int32_t numOfCols, size_t keyBufSize, int32_t initAggInfo(SExprSupp* pSup, SAggSupporter* pAggSup, SExprInfo* pExprInfo, int32_t numOfCols, size_t keyBufSize,
const char* pkey) { const char* pkey) {
initExprSupp(pSup, pExprInfo, numOfCols); int32_t code = initExprSupp(pSup, pExprInfo, numOfCols);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
doInitAggInfoSup(pAggSup, pSup->pCtx, numOfCols, keyBufSize, pkey); doInitAggInfoSup(pAggSup, pSup->pCtx, numOfCols, keyBufSize, pkey);
for (int32_t i = 0; i < numOfCols; ++i) { for (int32_t i = 0; i < numOfCols; ++i) {
pSup->pCtx[i].pBuf = pAggSup->pResultBuf; pSup->pCtx[i].pBuf = pAggSup->pResultBuf;
@ -3431,12 +3436,17 @@ void initBasicInfo(SOptrBasicInfo* pInfo, SSDataBlock* pBlock) {
initResultRowInfo(&pInfo->resultRowInfo); initResultRowInfo(&pInfo->resultRowInfo);
} }
void initExprSupp(SExprSupp* pSup, SExprInfo* pExprInfo, int32_t numOfExpr) { int32_t initExprSupp(SExprSupp* pSup, SExprInfo* pExprInfo, int32_t numOfExpr) {
pSup->pExprInfo = pExprInfo; pSup->pExprInfo = pExprInfo;
pSup->numOfExprs = numOfExpr; pSup->numOfExprs = numOfExpr;
if (pSup->pExprInfo != NULL) { if (pSup->pExprInfo != NULL) {
pSup->pCtx = createSqlFunctionCtx(pExprInfo, numOfExpr, &pSup->rowEntryInfoOffset); pSup->pCtx = createSqlFunctionCtx(pExprInfo, numOfExpr, &pSup->rowEntryInfoOffset);
if (pSup->pCtx == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
} }
return TSDB_CODE_SUCCESS;
} }
SOperatorInfo* createAggregateOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols, SOperatorInfo* createAggregateOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols,
@ -3458,7 +3468,10 @@ SOperatorInfo* createAggregateOperatorInfo(SOperatorInfo* downstream, SExprInfo*
} }
initBasicInfo(&pInfo->binfo, pResultBlock); initBasicInfo(&pInfo->binfo, pResultBlock);
initExprSupp(&pInfo->scalarExprSup, pScalarExprInfo, numOfScalarExpr); code = initExprSupp(&pInfo->scalarExprSup, pScalarExprInfo, numOfScalarExpr);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
pInfo->groupId = INT32_MIN; pInfo->groupId = INT32_MIN;
pOperator->name = "TableAggregate"; pOperator->name = "TableAggregate";
@ -3723,13 +3736,15 @@ SOperatorInfo* createIndefinitOutputOperatorInfo(SOperatorInfo* downstream, SPhy
SExprInfo* pExprInfo = createExprInfo(pPhyNode->pFuncs, NULL, &numOfExpr); SExprInfo* pExprInfo = createExprInfo(pPhyNode->pFuncs, NULL, &numOfExpr);
if (pPhyNode->pExprs != NULL) { if (pPhyNode->pExprs != NULL) {
SExprSupp* pSup1 = &pInfo->scalarSup; int32_t num = 0;
pSup1->pExprInfo = createExprInfo(pPhyNode->pExprs, NULL, &pSup1->numOfExprs); SExprInfo* pSExpr = createExprInfo(pPhyNode->pExprs, NULL, &num);
pSup1->pCtx = createSqlFunctionCtx(pSup1->pExprInfo, pSup1->numOfExprs, &pSup1->rowEntryInfoOffset); int32_t code = initExprSupp(&pInfo->scalarSup, pSExpr, num);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
} }
SSDataBlock* pResBlock = createResDataBlock(pPhyNode->node.pOutputDataBlockDesc); SSDataBlock* pResBlock = createResDataBlock(pPhyNode->node.pOutputDataBlockDesc);
;
int32_t numOfRows = 4096; int32_t numOfRows = 4096;
size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES; size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
@ -3746,15 +3761,14 @@ SOperatorInfo* createIndefinitOutputOperatorInfo(SOperatorInfo* downstream, SPhy
setFunctionResultOutput(pOperator, &pInfo->binfo, &pInfo->aggSup, MAIN_SCAN, numOfExpr); setFunctionResultOutput(pOperator, &pInfo->binfo, &pInfo->aggSup, MAIN_SCAN, numOfExpr);
pInfo->binfo.pRes = pResBlock; pInfo->binfo.pRes = pResBlock;
pInfo->pPseudoColInfo = setRowTsColumnOutputInfo(pSup->pCtx, numOfExpr); pInfo->pPseudoColInfo = setRowTsColumnOutputInfo(pSup->pCtx, numOfExpr);
pOperator->name = "IndefinitOperator"; pOperator->name = "IndefinitOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_PROJECT; pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_PROJECT;
pOperator->blocking = false; pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED; pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo; pOperator->info = pInfo;
pOperator->exprSupp.pExprInfo = pExprInfo;
pOperator->exprSupp.numOfExprs = numOfExpr; pOperator->exprSupp.numOfExprs = numOfExpr;
pOperator->pTaskInfo = pTaskInfo; pOperator->pTaskInfo = pTaskInfo;
@ -3795,34 +3809,6 @@ static int32_t initFillInfo(SFillOperatorInfo* pInfo, SExprInfo* pExpr, int32_t
} }
} }
static int32_t convertFillType(int32_t mode) {
int32_t type = TSDB_FILL_NONE;
switch (mode) {
case FILL_MODE_PREV:
type = TSDB_FILL_PREV;
break;
case FILL_MODE_NONE:
type = TSDB_FILL_NONE;
break;
case FILL_MODE_NULL:
type = TSDB_FILL_NULL;
break;
case FILL_MODE_NEXT:
type = TSDB_FILL_NEXT;
break;
case FILL_MODE_VALUE:
type = TSDB_FILL_SET_VALUE;
break;
case FILL_MODE_LINEAR:
type = TSDB_FILL_LINEAR;
break;
default:
type = TSDB_FILL_NONE;
}
return type;
}
SOperatorInfo* createFillOperatorInfo(SOperatorInfo* downstream, SFillPhysiNode* pPhyFillNode, bool multigroupResult, SOperatorInfo* createFillOperatorInfo(SOperatorInfo* downstream, SFillPhysiNode* pPhyFillNode, bool multigroupResult,
SExecTaskInfo* pTaskInfo) { SExecTaskInfo* pTaskInfo) {
SFillOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SFillOperatorInfo)); SFillOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SFillOperatorInfo));
@ -3852,10 +3838,10 @@ SOperatorInfo* createFillOperatorInfo(SOperatorInfo* downstream, SFillPhysiNode*
pOperator->blocking = false; pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED; pOperator->status = OP_NOT_OPENED;
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_FILL; pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_FILL;
pOperator->exprSupp.pExprInfo = pExprInfo; pOperator->exprSupp.pExprInfo = pExprInfo;
pOperator->exprSupp.numOfExprs = num; pOperator->exprSupp.numOfExprs = num;
pOperator->info = pInfo; pOperator->info = pInfo;
pOperator->pTaskInfo = pTaskInfo; pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = pOperator->fpSet =
createOperatorFpSet(operatorDummyOpenFn, doFill, NULL, NULL, destroySFillOperatorInfo, NULL, NULL, NULL); createOperatorFpSet(operatorDummyOpenFn, doFill, NULL, NULL, destroySFillOperatorInfo, NULL, NULL, NULL);
@ -4282,6 +4268,8 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
pOptr = createFillOperatorInfo(ops[0], (SFillPhysiNode*)pPhyNode, false, pTaskInfo); pOptr = createFillOperatorInfo(ops[0], (SFillPhysiNode*)pPhyNode, false, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_INDEF_ROWS_FUNC == type) { } else if (QUERY_NODE_PHYSICAL_PLAN_INDEF_ROWS_FUNC == type) {
pOptr = createIndefinitOutputOperatorInfo(ops[0], pPhyNode, pTaskInfo); pOptr = createIndefinitOutputOperatorInfo(ops[0], pPhyNode, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_INTERP_FUNC == type) {
pOptr = createTimeSliceOperatorInfo(ops[0], pPhyNode, pTaskInfo);
} else { } else {
ASSERT(0); ASSERT(0);
} }

19
source/libs/executor/src/groupoperator.c
View File

@ -387,11 +387,12 @@ SOperatorInfo* createGroupOperatorInfo(SOperatorInfo* downstream, SExprInfo* pEx
pInfo->pGroupCols = pGroupColList; pInfo->pGroupCols = pGroupColList;
pInfo->pCondition = pCondition; pInfo->pCondition = pCondition;
pInfo->scalarSup.pExprInfo = pScalarExprInfo; int32_t code = initExprSupp(&pInfo->scalarSup, pScalarExprInfo, numOfScalarExpr);
pInfo->scalarSup.numOfExprs = numOfScalarExpr; if (code != TSDB_CODE_SUCCESS) {
pInfo->scalarSup.pCtx = createSqlFunctionCtx(pScalarExprInfo, numOfScalarExpr, &pInfo->scalarSup.rowEntryInfoOffset); goto _error;
}
int32_t code = initGroupOptrInfo(&pInfo->pGroupColVals, &pInfo->groupKeyLen, &pInfo->keyBuf, pGroupColList); code = initGroupOptrInfo(&pInfo->pGroupColVals, &pInfo->groupKeyLen, &pInfo->keyBuf, pGroupColList);
if (code != TSDB_CODE_SUCCESS) { if (code != TSDB_CODE_SUCCESS) {
goto _error; goto _error;
} }
@ -718,10 +719,12 @@ SOperatorInfo* createPartitionOperatorInfo(SOperatorInfo* downstream, SPartition
pInfo->pGroupCols = extractPartitionColInfo(pPartNode->pPartitionKeys); pInfo->pGroupCols = extractPartitionColInfo(pPartNode->pPartitionKeys);
if (pPartNode->pExprs != NULL) { if (pPartNode->pExprs != NULL) {
pInfo->scalarSup.numOfExprs = 0; int32_t num = 0;
pInfo->scalarSup.pExprInfo = createExprInfo(pPartNode->pExprs, NULL, &pInfo->scalarSup.numOfExprs); SExprInfo* pExprInfo1 = createExprInfo(pPartNode->pExprs, NULL, &num);
pInfo->scalarSup.pCtx = createSqlFunctionCtx( int32_t code = initExprSupp(&pInfo->scalarSup, pExprInfo1, num);
pInfo->scalarSup.pExprInfo, pInfo->scalarSup.numOfExprs, &pInfo->scalarSup.rowEntryInfoOffset); if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
} }
_hash_fn_t hashFn = taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY); _hash_fn_t hashFn = taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY);

10
source/libs/executor/src/scanoperator.c
View File

@ -686,7 +686,10 @@ SOperatorInfo* createDataBlockInfoScanOperator(void* dataReader, SReadHandle* re
int32_t numOfCols = 0; int32_t numOfCols = 0;
SExprInfo* pExprInfo = createExprInfo(pBlockScanNode->pScanPseudoCols, NULL, &numOfCols); SExprInfo* pExprInfo = createExprInfo(pBlockScanNode->pScanPseudoCols, NULL, &numOfCols);
initExprSupp(&pOperator->exprSupp, pExprInfo, numOfCols); int32_t code = initExprSupp(&pOperator->exprSupp, pExprInfo, numOfCols);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
pOperator->name = "DataBlockDistScanOperator"; pOperator->name = "DataBlockDistScanOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_BLOCK_DIST_SCAN; pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_BLOCK_DIST_SCAN;
@ -1872,7 +1875,10 @@ SOperatorInfo* createTagScanOperatorInfo(SReadHandle* pReadHandle, STagScanPhysi
SArray* colList = extractColMatchInfo(pPhyNode->pScanPseudoCols, pDescNode, &num, COL_MATCH_FROM_COL_ID); SArray* colList = extractColMatchInfo(pPhyNode->pScanPseudoCols, pDescNode, &num, COL_MATCH_FROM_COL_ID);
initExprSupp(&pOperator->exprSupp, pExprInfo, numOfExprs); int32_t code = initExprSupp(&pOperator->exprSupp, pExprInfo, numOfExprs);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
pInfo->pTableList = pTableListInfo; pInfo->pTableList = pTableListInfo;
pInfo->pColMatchInfo = colList; pInfo->pColMatchInfo = colList;

345
source/libs/executor/src/timewindowoperator.c
View File

@ -1705,7 +1705,7 @@ static SSDataBlock* doSessionWindowAgg(SOperatorInfo* pOperator) {
return (rows == 0) ? NULL : pBInfo->pRes; return (rows == 0) ? NULL : pBInfo->pRes;
} }
static void doKeepPrevRows(STimeSliceOperatorInfo* pSliceInfo, const SSDataBlock* pBlock) { static void doKeepPrevRows(STimeSliceOperatorInfo* pSliceInfo, const SSDataBlock* pBlock, int32_t rowIndex) {
int32_t numOfCols = taosArrayGetSize(pBlock->pDataBlock); int32_t numOfCols = taosArrayGetSize(pBlock->pDataBlock);
for(int32_t i = 0; i < numOfCols; ++i) { for(int32_t i = 0; i < numOfCols; ++i) {
SColumnInfoData* pColInfoData = taosArrayGet(pBlock->pDataBlock, i); SColumnInfoData* pColInfoData = taosArrayGet(pBlock->pDataBlock, i);
@ -1715,108 +1715,53 @@ static void doKeepPrevRows(STimeSliceOperatorInfo* pSliceInfo, const SSDataBlock
SGroupKeys* pkey = taosArrayGet(pSliceInfo->pPrevRow, i); SGroupKeys* pkey = taosArrayGet(pSliceInfo->pPrevRow, i);
pkey->isNull = false; pkey->isNull = false;
char* val = colDataGetData(pColInfoData, i); char* val = colDataGetData(pColInfoData, rowIndex);
memcpy(pkey->pData, val, pkey->bytes); memcpy(pkey->pData, val, pkey->bytes);
} }
} }
} }
static SSDataBlock* doTimeslice(SOperatorInfo* pOperator) { static void genInterpolationResult(STimeSliceOperatorInfo* pSliceInfo, SExprSupp* pExprSup, SSDataBlock* pBlock,
if (pOperator->status == OP_EXEC_DONE) { int32_t rowIndex, SSDataBlock* pResBlock) {
return NULL; int32_t rows = pResBlock->info.rows;
}
STimeSliceOperatorInfo* pSliceInfo = pOperator->info; // todo set the correct primary timestamp column
SSDataBlock* pResBlock = pSliceInfo->binfo.pRes;
SExprSupp* pSup = &pOperator->exprSupp;
// if (pOperator->status == OP_RES_TO_RETURN) { // output the result
// // doBuildResultDatablock(&pRuntimeEnv->groupResInfo, pRuntimeEnv, pIntervalInfo->pRes); for (int32_t j = 0; j < pExprSup->numOfExprs; ++j) {
// if (pResBlock->info.rows == 0 || !hasDataInGroupInfo(&pSliceInfo->groupResInfo)) { SExprInfo* pExprInfo = &pExprSup->pExprInfo[j];
// doSetOperatorCompleted(pOperator); int32_t dstSlot = pExprInfo->base.resSchema.slotId;
// } int32_t srcSlot = pExprInfo->base.pParam[0].pCol->slotId;
//
// return pResBlock;
// }
int32_t order = TSDB_ORDER_ASC; SColumnInfoData* pSrc = taosArrayGet(pBlock->pDataBlock, srcSlot);
SInterval* pInterval = &pSliceInfo->interval; SColumnInfoData* pDst = taosArrayGet(pResBlock->pDataBlock, dstSlot);
SOperatorInfo* downstream = pOperator->pDownstream[0];
int32_t numOfRows = 0; switch (pSliceInfo->fillType) {
while (1) { case TSDB_FILL_NULL:
SSDataBlock* pBlock = downstream->fpSet.getNextFn(downstream); colDataAppendNULL(pDst, rows);
if (pBlock == NULL) { break;
break;
}
// the pDataBlock are always the same one, no need to call this again case TSDB_FILL_SET_VALUE: {
setInputDataBlock(pOperator, pSup->pCtx, pBlock, order, MAIN_SCAN, true); SVariant* pVar = &pSliceInfo->pFillColInfo[j].fillVal;
SColumnInfoData* pTsCol = taosArrayGet(pBlock->pDataBlock, 0); if (pDst->info.type == TSDB_DATA_TYPE_FLOAT) {
for(int32_t i = 0; i < pBlock->info.rows; ++i) { float v = 0;
int64_t ts = *(int64_t*) colDataGetData(pTsCol, i); GET_TYPED_DATA(v, float, pVar->nType, &pVar->i);
colDataAppend(pDst, rows, (char*)&v, false);
if (ts == pSliceInfo->current) { } else if (pDst->info.type == TSDB_DATA_TYPE_DOUBLE) {
for(int32_t j = 0; j < pOperator->exprSupp.numOfExprs; ++j) { double v = 0;
SExprInfo* pExprInfo = &pOperator->exprSupp.pExprInfo[j]; GET_TYPED_DATA(v, double, pVar->nType, &pVar->i);
int32_t dstSlot = pExprInfo->base.resSchema.slotId; colDataAppend(pDst, rows, (char*)&v, false);
int32_t srcSlot = pExprInfo->base.pParam[0].pCol->slotId; } else if (IS_SIGNED_NUMERIC_TYPE(pDst->info.type)) {
int64_t v = 0;
SColumnInfoData* pSrc = taosArrayGet(pBlock->pDataBlock, srcSlot); GET_TYPED_DATA(v, int64_t, pVar->nType, &pVar->i);
SColumnInfoData* pDst = taosArrayGet(pBlock->pDataBlock, dstSlot); colDataAppend(pDst, rows, (char*)&v, false);
char* v = colDataGetData(pSrc, i);
colDataAppend(pDst, numOfRows, v, false);
} }
} break;
numOfRows += 1; case TSDB_FILL_LINEAR:
pSliceInfo->current += taosTimeAdd(pSliceInfo->current, pInterval->interval, pInterval->intervalUnit, pInterval->precision);
if (pSliceInfo->current > pSliceInfo->win.ekey) {
doSetOperatorCompleted(pOperator);
break;
}
} else if (ts < pSliceInfo->current) {
if (i != pBlock->info.window.ekey) {
int64_t nextTs = *(int64_t*) colDataGetData(pTsCol, i + 1);
if (nextTs > pSliceInfo->current) {
// output the result
for (int32_t j = 0; j < pOperator->exprSupp.numOfExprs; ++j) {
SExprInfo* pExprInfo = &pOperator->exprSupp.pExprInfo[j];
int32_t dstSlot = pExprInfo->base.resSchema.slotId;
int32_t srcSlot = pExprInfo->base.pParam[0].pCol->slotId;
SColumnInfoData* pSrc = taosArrayGet(pBlock->pDataBlock, srcSlot);
SColumnInfoData* pDst = taosArrayGet(pBlock->pDataBlock, dstSlot);
switch (pSliceInfo->fillType) {
case TSDB_FILL_NULL:
colDataAppendNULL(pDst, numOfRows);
break;
case TSDB_FILL_SET_VALUE: {
SVariant* pVar = &pSliceInfo->pFillColInfo[i].fillVal;
if (pDst->info.type == TSDB_DATA_TYPE_FLOAT) {
float v = 0;
GET_TYPED_DATA(v, float, pVar->nType, &pVar->i);
colDataAppend(pDst, numOfRows, (char*)&v, false);
} else if (pDst->info.type == TSDB_DATA_TYPE_DOUBLE) {
double v = 0;
GET_TYPED_DATA(v, double, pVar->nType, &pVar->i);
colDataAppend(pDst, numOfRows, (char*)&v, false);
} else if (IS_SIGNED_NUMERIC_TYPE(pDst->info.type)) {
int64_t v = 0;
GET_TYPED_DATA(v, int64_t, pVar->nType, &pVar->i);
colDataAppend(pDst, numOfRows, (char*)&v, false);
}
}
break;
case TSDB_FILL_LINEAR:
#if 0 #if 0
if (pCtx->start.key == INT64_MIN || pCtx->start.key > pCtx->startTs if (pCtx->start.key == INT64_MIN || pCtx->start.key > pCtx->startTs
|| pCtx->end.key == INT64_MIN || pCtx->end.key < pCtx->startTs) { || pCtx->end.key == INT64_MIN || pCtx->end.key < pCtx->startTs) {
// goto interp_exit; // goto interp_exit;
} }
@ -1845,33 +1790,158 @@ static SSDataBlock* doTimeslice(SOperatorInfo* pOperator) {
} }
} }
#endif #endif
break; break;
case TSDB_FILL_PREV: { case TSDB_FILL_PREV: {
SGroupKeys* pkey = taosArrayGet(pSliceInfo->pPrevRow, srcSlot); SGroupKeys* pkey = taosArrayGet(pSliceInfo->pPrevRow, srcSlot);
colDataAppend(pDst, numOfRows, pkey->pData, false); colDataAppend(pDst, rows, pkey->pData, false);
} break; } break;
case TSDB_FILL_NEXT: { case TSDB_FILL_NEXT: {
} break; char* p = colDataGetData(pSrc, rowIndex);
colDataAppend(pDst, rows, p, colDataIsNull_s(pSrc, rowIndex));
} break;
case TSDB_FILL_NONE: case TSDB_FILL_NONE:
default: default:
break; break;
} }
}
pSliceInfo->current += pResBlock->info.rows += 1;
}
static int32_t initPrevRowsKeeper(STimeSliceOperatorInfo* pInfo, SSDataBlock* pBlock) {
if (pInfo->pPrevRow != NULL) {
return TSDB_CODE_SUCCESS;
}
pInfo->pPrevRow = taosArrayInit(4, sizeof(SGroupKeys));
if (pInfo->pPrevRow == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t numOfCols = pBlock->info.numOfCols;
for (int32_t i = 0; i < numOfCols; ++i) {
SColumnInfoData* pColInfo = taosArrayGet(pBlock->pDataBlock, i);
SGroupKeys key = {0};
key.bytes = pColInfo->info.bytes;
key.type = pColInfo->info.type;
key.isNull = false;
key.pData = taosMemoryCalloc(1, pColInfo->info.bytes);
taosArrayPush(pInfo->pPrevRow, &key);
}
return TSDB_CODE_SUCCESS;
}
static SSDataBlock* doTimeslice(SOperatorInfo* pOperator) {
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
STimeSliceOperatorInfo* pSliceInfo = pOperator->info;
SSDataBlock* pResBlock = pSliceInfo->pRes;
SExprSupp* pSup = &pOperator->exprSupp;
blockDataEnsureCapacity(pResBlock, pOperator->resultInfo.capacity);
// if (pOperator->status == OP_RES_TO_RETURN) {
// // doBuildResultDatablock(&pRuntimeEnv->groupResInfo, pRuntimeEnv, pIntervalInfo->pRes);
// if (pResBlock->info.rows == 0 || !hasDataInGroupInfo(&pSliceInfo->groupResInfo)) {
// doSetOperatorCompleted(pOperator);
// }
//
// return pResBlock;
// }
int32_t order = TSDB_ORDER_ASC;
SInterval* pInterval = &pSliceInfo->interval;
SOperatorInfo* downstream = pOperator->pDownstream[0];
int32_t numOfRows = 0;
while (1) {
SSDataBlock* pBlock = downstream->fpSet.getNextFn(downstream);
if (pBlock == NULL) {
break;
}
int32_t code = initPrevRowsKeeper(pSliceInfo, pBlock);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
// the pDataBlock are always the same one, no need to call this again
setInputDataBlock(pOperator, pSup->pCtx, pBlock, order, MAIN_SCAN, true);
SColumnInfoData* pTsCol = taosArrayGet(pBlock->pDataBlock, pSliceInfo->tsCol.slotId);
for(int32_t i = 0; i < pBlock->info.rows; ++i) {
int64_t ts = *(int64_t*) colDataGetData(pTsCol, i);
if (ts == pSliceInfo->current) {
for(int32_t j = 0; j < pOperator->exprSupp.numOfExprs; ++j) {
SExprInfo* pExprInfo = &pOperator->exprSupp.pExprInfo[j];
int32_t dstSlot = pExprInfo->base.resSchema.slotId;
int32_t srcSlot = pExprInfo->base.pParam[0].pCol->slotId;
SColumnInfoData* pSrc = taosArrayGet(pBlock->pDataBlock, srcSlot);
SColumnInfoData* pDst = taosArrayGet(pResBlock->pDataBlock, dstSlot);
char* v = colDataGetData(pSrc, i);
colDataAppend(pDst, numOfRows, v, false);
}
pResBlock->info.rows += 1;
doKeepPrevRows(pSliceInfo, pBlock, i);
pSliceInfo->current = taosTimeAdd(pSliceInfo->current, pInterval->interval, pInterval->intervalUnit, pInterval->precision);
if (pSliceInfo->current > pSliceInfo->win.ekey) {
doSetOperatorCompleted(pOperator);
break;
}
if (pResBlock->info.rows >= pResBlock->info.capacity) {
break;
}
} else if (ts < pSliceInfo->current) {
if (i < pBlock->info.rows - 1) {
int64_t nextTs = *(int64_t*) colDataGetData(pTsCol, i + 1);
if (nextTs > pSliceInfo->current) {
while (pSliceInfo->current < nextTs && pSliceInfo->current <= pSliceInfo->win.ekey) {
genInterpolationResult(pSliceInfo, &pOperator->exprSupp, pBlock, i, pResBlock);
pSliceInfo->current =
taosTimeAdd(pSliceInfo->current, pInterval->interval, pInterval->intervalUnit, pInterval->precision); taosTimeAdd(pSliceInfo->current, pInterval->interval, pInterval->intervalUnit, pInterval->precision);
if (pSliceInfo->current > pSliceInfo->win.ekey) { if (pResBlock->info.rows >= pResBlock->info.capacity) {
doSetOperatorCompleted(pOperator);
break; break;
} }
} }
if (pSliceInfo->current > pSliceInfo->win.ekey) {
doSetOperatorCompleted(pOperator);
break;
}
} else { } else {
// ignore current row, and do nothing // ignore current row, and do nothing
} }
} else { // it is the last row of current block } else { // it is the last row of current block
doKeepPrevRows(pSliceInfo, pBlock); doKeepPrevRows(pSliceInfo, pBlock, i);
}
} else { // ts > pSliceInfo->current
while (pSliceInfo->current < ts && pSliceInfo->current <= pSliceInfo->win.ekey) {
genInterpolationResult(pSliceInfo, &pOperator->exprSupp, pBlock, i, pResBlock);
pSliceInfo->current =
taosTimeAdd(pSliceInfo->current, pInterval->interval, pInterval->intervalUnit, pInterval->precision);
if (pResBlock->info.rows >= pResBlock->info.capacity) {
break;
}
}
if (pSliceInfo->current > pSliceInfo->win.ekey) {
doSetOperatorCompleted(pOperator);
break;
} }
} }
} }
@ -1886,59 +1956,46 @@ static SSDataBlock* doTimeslice(SOperatorInfo* pOperator) {
return pResBlock->info.rows == 0 ? NULL : pResBlock; return pResBlock->info.rows == 0 ? NULL : pResBlock;
} }
static int32_t initTimesliceInfo(STimeSliceOperatorInfo* pInfo, SqlFunctionCtx* pCtx, int32_t numOfCols) { SOperatorInfo* createTimeSliceOperatorInfo(SOperatorInfo* downstream, SPhysiNode *pPhyNode, SExecTaskInfo* pTaskInfo) {
pInfo->pPrevRow = taosArrayInit(4, sizeof(SGroupKeys));
pInfo->pCols = taosArrayInit(4, sizeof(SColumn));
if (pInfo->pPrevRow == NULL || pInfo->pCols == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
for (int32_t i = 0; i < numOfCols; ++i) {
SExprInfo* pExpr = pCtx[i].pExpr;
SFunctParam* pParam = &pExpr->base.pParam[0];
SColumn c = *pParam->pCol;
taosArrayPush(pInfo->pCols, &c);
SGroupKeys key = {0};
key.bytes = c.bytes;
key.type = c.type;
key.isNull = false;
key.pData = taosMemoryCalloc(1, c.bytes);
taosArrayPush(pInfo->pPrevRow, &key);
}
return TSDB_CODE_SUCCESS;
}
SOperatorInfo* createTimeSliceOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols,
SSDataBlock* pResultBlock, const SNodeListNode* pValNode, SExecTaskInfo* pTaskInfo) {
STimeSliceOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(STimeSliceOperatorInfo)); STimeSliceOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(STimeSliceOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo)); SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pOperator == NULL || pInfo == NULL) { if (pOperator == NULL || pInfo == NULL) {
goto _error; goto _error;
} }
SInterpFuncPhysiNode* pInterpPhyNode = (SInterpFuncPhysiNode*)pPhyNode;
SExprSupp* pSup = &pOperator->exprSupp; SExprSupp* pSup = &pOperator->exprSupp;
int32_t code = initTimesliceInfo(pInfo, pSup->pCtx, numOfCols); int32_t numOfExprs = 0;
SExprInfo* pExprInfo = createExprInfo(pInterpPhyNode->pFuncs, NULL, &numOfExprs);
int32_t code = initExprSupp(pSup, pExprInfo, numOfExprs);
if (code != TSDB_CODE_SUCCESS) { if (code != TSDB_CODE_SUCCESS) {
goto _error; goto _error;
} }
initResultRowInfo(&pInfo->binfo.resultRowInfo); if (pInterpPhyNode->pExprs != NULL) {
pInfo->pFillColInfo = createFillColInfo(pExprInfo, numOfCols, pValNode); int32_t num = 0;
SExprInfo* pScalarExprInfo = createExprInfo(pInterpPhyNode->pExprs, NULL, &num);
code = initExprSupp(&pInfo->scalarSup, pScalarExprInfo, num);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
}
pInfo->binfo.pRes = pResultBlock; pInfo->tsCol = extractColumnFromColumnNode((SColumnNode*)pInterpPhyNode->pTimeSeries);
pInfo->fillType = convertFillType(pInterpPhyNode->fillMode);
initResultSizeInfo(pOperator, 4096);
pInfo->pFillColInfo = createFillColInfo(pExprInfo, numOfExprs, (SNodeListNode*)pInterpPhyNode->pFillValues);
pInfo->pRes = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
pInfo->win = pInterpPhyNode->timeRange;
pInfo->interval.interval = pInterpPhyNode->interval;
pInfo->current = pInfo->win.skey;
pOperator->name = "TimeSliceOperator"; pOperator->name = "TimeSliceOperator";
// pOperator->operatorType = OP_AllTimeWindow; pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_INTERP_FUNC;
pOperator->blocking = true; pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED; pOperator->status = OP_NOT_OPENED;
pOperator->exprSupp.pExprInfo = pExprInfo;
pOperator->exprSupp.numOfExprs = numOfCols;
pOperator->info = pInfo; pOperator->info = pInfo;
pOperator->pTaskInfo = pTaskInfo; pOperator->pTaskInfo = pTaskInfo;
@ -2433,7 +2490,11 @@ void destroyStreamSessionAggOperatorInfo(void* param, int32_t numOfOutput) {
} }
int32_t initBasicInfoEx(SOptrBasicInfo* pBasicInfo, SExprSupp* pSup, SExprInfo* pExprInfo, int32_t numOfCols, SSDataBlock* pResultBlock) { int32_t initBasicInfoEx(SOptrBasicInfo* pBasicInfo, SExprSupp* pSup, SExprInfo* pExprInfo, int32_t numOfCols, SSDataBlock* pResultBlock) {
initExprSupp(pSup, pExprInfo, numOfCols); int32_t code = initExprSupp(pSup, pExprInfo, numOfCols);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
initBasicInfo(pBasicInfo, pResultBlock); initBasicInfo(pBasicInfo, pResultBlock);
for (int32_t i = 0; i < numOfCols; ++i) { for (int32_t i = 0; i < numOfCols; ++i) {