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add hll partial/merge translate functions

This commit is contained in:
Ganlin Zhao 2022-06-09 11:36:28 +08:00
parent 23c0bdf052
commit d1a0ab2445
3 changed files with 30 additions and 0 deletions
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1
source/libs/function/inc/builtinsimpl.h
View File

@ -127,6 +127,7 @@ int32_t getHistogramInfoSize();
bool getHLLFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv);
int32_t hllFunction(SqlFunctionCtx* pCtx);
int32_t hllFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock);
int32_t getHLLInfoSize();
bool getStateFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv);
bool stateFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResultInfo);

25
source/libs/function/src/builtins.c
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@ -313,6 +313,7 @@ static int32_t translateApercentileImpl(SFunctionNode* pFunc, char* pErrBuf, int
static int32_t translateApercentilePartial(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
return translateApercentileImpl(pFunc, pErrBuf, len, true);
}
static int32_t translateApercentileMerge(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
return translateApercentileImpl(pFunc, pErrBuf, len, false);
}
@ -401,6 +402,7 @@ static int32_t translateSpreadImpl(SFunctionNode* pFunc, char* pErrBuf, int32_t
static int32_t translateSpreadPartial(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
return translateSpreadImpl(pFunc, pErrBuf, len, true);
}
static int32_t translateSpreadMerge(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
return translateSpreadImpl(pFunc, pErrBuf, len, false);
}
@ -551,6 +553,7 @@ static int32_t translateHistogramImpl(SFunctionNode* pFunc, char* pErrBuf, int32
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);
}
@ -564,6 +567,28 @@ static int32_t translateHLL(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
return TSDB_CODE_SUCCESS;
}
static int32_t translateHLLImpl(SFunctionNode* pFunc, char* pErrBuf, int32_t len, bool isPartial) {
if (1 != LIST_LENGTH(pFunc->pParameterList)) {
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
}
if (isPartial) {
pFunc->node.resType = (SDataType){.bytes = getHistogramInfoSize() + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_BINARY};
} else {
pFunc->node.resType = (SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_BIGINT].bytes, .type = TSDB_DATA_TYPE_BIGINT};
}
return TSDB_CODE_SUCCESS;
}
static int32_t translateHLLPartial(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
return translateHLLImpl(pFunc, pErrBuf, len, true);
}
static int32_t translateHLLMerge(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
return translateHLLImpl(pFunc, pErrBuf, len, false);
}
static bool validateStateOper(const SValueNode* pVal) {
if (TSDB_DATA_TYPE_BINARY != pVal->node.resType.type) {
return false;

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

@ -3428,6 +3428,10 @@ int32_t histogramPartialFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
return 1;
}
int32_t getHLLInfoSize() {
return (int32_t)sizeof(SHLLInfo);
}
bool getHLLFuncEnv(SFunctionNode* UNUSED_PARAM(pFunc), SFuncExecEnv* pEnv) {
pEnv->calcMemSize = sizeof(SHLLInfo);
return true;