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fix(query): histogram function interval query for super table 

missed some child table records.

TD-17021
This commit is contained in:
Ganlin Zhao 2022-07-11 19:49:48 +08:00
parent a52c089d82
commit b9795fab95
3 changed files with 23 additions and 7 deletions
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1
source/libs/function/inc/builtinsimpl.h
View File

@ -157,6 +157,7 @@ int32_t elapsedCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx);
bool getHistogramFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv);
bool histogramFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResultInfo);
int32_t histogramFunction(SqlFunctionCtx* pCtx);
int32_t histogramFunctionPartial(SqlFunctionCtx* pCtx);
int32_t histogramFunctionMerge(SqlFunctionCtx* pCtx);
int32_t histogramFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock);
int32_t histogramPartialFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock);

2
source/libs/function/src/builtins.c
View File

@ -2323,7 +2323,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.translateFunc = translateHistogramPartial,
.getEnvFunc = getHistogramFuncEnv,
.initFunc = histogramFunctionSetup,
.processFunc = histogramFunction,
.processFunc = histogramFunctionPartial,
.finalizeFunc = histogramPartialFinalize,
.invertFunc = NULL,
.combineFunc = histogramCombine,

23
source/libs/function/src/builtinsimpl.c
View File

@ -4098,7 +4098,7 @@ bool histogramFunctionSetup(SqlFunctionCtx* pCtx, SResultRowEntryInfo* pResultIn
return true;
}
int32_t histogramFunction(SqlFunctionCtx* pCtx) {
static int32_t histogramFunctionImpl(SqlFunctionCtx* pCtx, bool isPartial) {
SHistoFuncInfo* pInfo = GET_ROWCELL_INTERBUF(GET_RES_INFO(pCtx));
SInputColumnInfoData* pInput = &pCtx->input;
@ -4130,10 +4130,22 @@ int32_t histogramFunction(SqlFunctionCtx* pCtx) {
}
}
if (!isPartial) {
SET_VAL(GET_RES_INFO(pCtx), numOfElems, pInfo->numOfBins);
} else {
SET_VAL(GET_RES_INFO(pCtx), numOfElems, 1);
}
return TSDB_CODE_SUCCESS;
}
int32_t histogramFunction(SqlFunctionCtx* pCtx) {
return histogramFunctionImpl(pCtx, false);
}
int32_t histogramFunctionPartial(SqlFunctionCtx* pCtx) {
return histogramFunctionImpl(pCtx, true);
}
static void histogramTransferInfo(SHistoFuncInfo* pInput, SHistoFuncInfo* pOutput) {
pOutput->normalized = pInput->normalized;
pOutput->numOfBins = pInput->numOfBins;
@ -4153,10 +4165,12 @@ int32_t histogramFunctionMerge(SqlFunctionCtx* pCtx) {
SHistoFuncInfo* pInfo = GET_ROWCELL_INTERBUF(GET_RES_INFO(pCtx));
int32_t start = pInput->startRowIndex;
char* data = colDataGetData(pCol, start);
SHistoFuncInfo* pInputInfo = (SHistoFuncInfo*)varDataVal(data);
for(int32_t i = start; i < start + pInput->numOfRows; ++i) {
char* data = colDataGetData(pCol, i);
SHistoFuncInfo* pInputInfo = (SHistoFuncInfo*)varDataVal(data);
histogramTransferInfo(pInputInfo, pInfo);
}
SET_VAL(GET_RES_INFO(pCtx), pInfo->numOfBins, pInfo->numOfBins);
return TSDB_CODE_SUCCESS;
@ -4199,6 +4213,7 @@ int32_t histogramFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
}
int32_t histogramPartialFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
SResultRowEntryInfo* pResInfo = GET_RES_INFO(pCtx);
SHistoFuncInfo* pInfo = GET_ROWCELL_INTERBUF(GET_RES_INFO(pCtx));
int32_t resultBytes = getHistogramInfoSize();
char* res = taosMemoryCalloc(resultBytes + VARSTR_HEADER_SIZE, sizeof(char));
@ -4212,7 +4227,7 @@ int32_t histogramPartialFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
colDataAppend(pCol, pBlock->info.rows, res, false);
taosMemoryFree(res);
return 1;
return pResInfo->numOfRes;
}
int32_t histogramCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx) {