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add histogram partial/merge translate functions

This commit is contained in:
Ganlin Zhao 2022-06-08 17:59:32 +08:00
parent d49f1dbc15
commit 081a8a62b2
3 changed files with 61 additions and 4 deletions
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5
source/libs/function/inc/builtinsimpl.h
View File

@ -78,13 +78,13 @@ bool percentileFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResultI
int32_t percentileFunction(SqlFunctionCtx *pCtx);
int32_t percentileFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock);
int32_t getApercentileMaxSize();
bool getApercentileFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv);
bool apercentileFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResultInfo);
int32_t apercentileFunction(SqlFunctionCtx *pCtx);
int32_t apercentileFunctionMerge(SqlFunctionCtx* pCtx);
int32_t apercentileFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock);
int32_t apercentilePartialFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock);
int32_t getApercentileMaxSize();
bool getDiffFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv);
bool diffFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResInfo);
@ -102,13 +102,13 @@ int32_t topFunction(SqlFunctionCtx *pCtx);
int32_t bottomFunction(SqlFunctionCtx *pCtx);
int32_t topBotFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock);
int32_t getSpreadInfoSize();
bool getSpreadFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv);
bool spreadFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResultInfo);
int32_t spreadFunction(SqlFunctionCtx* pCtx);
int32_t spreadFunctionMerge(SqlFunctionCtx* pCtx);
int32_t spreadFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock);
int32_t spreadPartialFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock);
int32_t getSpreadInfoSize();
bool getElapsedFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv);
bool elapsedFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResultInfo);
@ -119,6 +119,7 @@ bool getHistogramFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv);
bool histogramFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResultInfo);
int32_t histogramFunction(SqlFunctionCtx* pCtx);
int32_t histogramFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock);
int32_t getHistogramInfoSize();
bool getHLLFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv);
int32_t hllFunction(SqlFunctionCtx* pCtx);

56
source/libs/function/src/builtins.c
View File

@ -503,6 +503,58 @@ static int32_t translateHistogram(SFunctionNode* pFunc, char* pErrBuf, int32_t l
return TSDB_CODE_SUCCESS;
}
static int32_t translateHistogramImpl(SFunctionNode* pFunc, char* pErrBuf, int32_t len, bool isPartial) {
int32_t numOfParams = LIST_LENGTH(pFunc->pParameterList);
if (isPartial) {
if (4 != numOfParams) {
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
}
uint8_t colType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
if (!IS_NUMERIC_TYPE(colType)) {
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
}
// param1 ~ param3
for (int32_t i = 1; i < numOfParams; ++i) {
SNode* pParamNode = nodesListGetNode(pFunc->pParameterList, i);
if (QUERY_NODE_VALUE != nodeType(pParamNode)) {
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
}
SValueNode* pValue = (SValueNode*)pParamNode;
pValue->notReserved = true;
}
if (((SExprNode*)nodesListGetNode(pFunc->pParameterList, 1))->resType.type != TSDB_DATA_TYPE_BINARY ||
((SExprNode*)nodesListGetNode(pFunc->pParameterList, 2))->resType.type != TSDB_DATA_TYPE_BINARY ||
((SExprNode*)nodesListGetNode(pFunc->pParameterList, 3))->resType.type != TSDB_DATA_TYPE_BIGINT) {
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
}
pFunc->node.resType = (SDataType){.bytes = getHistogramInfoSize() + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_BINARY};
} else {
if (1 != numOfParams) {
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
}
if (((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type != TSDB_DATA_TYPE_BINARY) {
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
}
pFunc->node.resType = (SDataType){.bytes = 512, .type = TSDB_DATA_TYPE_BINARY};
}
return TSDB_CODE_SUCCESS;
}
static int32_t translateHistogramPartial(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
return translateHistogramImpl(pFunc, pErrBuf, len, true);
}
static int32_t translateHistogramMerge(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
return translateHistogramImpl(pFunc, pErrBuf, len, false);
}
static int32_t translateHLL(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
if (1 != LIST_LENGTH(pFunc->pParameterList)) {
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
@ -1397,7 +1449,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.name = "_histogram_partial",
.type = FUNCTION_TYPE_HISTOGRAM_PARTIAL,
.classification = FUNC_MGT_AGG_FUNC,
.translateFunc = translateHistogram,
.translateFunc = translateHistogramPartial,
.getEnvFunc = getHistogramFuncEnv,
.initFunc = histogramFunctionSetup,
.processFunc = histogramFunction,
@ -1407,7 +1459,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.name = "_histogram_merge",
.type = FUNCTION_TYPE_HISTOGRAM_MERGE,
.classification = FUNC_MGT_AGG_FUNC,
.translateFunc = translateHistogram,
.translateFunc = translateHistogramMerge,
.getEnvFunc = getHistogramFuncEnv,
.initFunc = histogramFunctionSetup,
.processFunc = histogramFunction,

4
source/libs/function/src/builtinsimpl.c
View File

@ -3118,6 +3118,10 @@ int32_t elapsedFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
return functionFinalize(pCtx, pBlock);
}
int32_t getHistogramInfoSize() {
return (int32_t)sizeof(SHistoFuncInfo) + HISTOGRAM_MAX_BINS_NUM * sizeof(SHistoFuncBin);
}
bool getHistogramFuncEnv(SFunctionNode* UNUSED_PARAM(pFunc), SFuncExecEnv* pEnv) {
pEnv->calcMemSize = sizeof(SHistoFuncInfo) + HISTOGRAM_MAX_BINS_NUM * sizeof(SHistoFuncBin);
return true;