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Merge pull request #12376 from taosdata/feature/3.0_glzhao 

feat(query): add csum function
This commit is contained in:
Ganlin Zhao 2022-05-12 15:18:49 +08:00 committed by GitHub
parent 78e7433232 71e43677f7
commit aba7e4a6f6
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 99 additions and 2 deletions
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3
source/libs/function/inc/builtinsimpl.h
View File

@ -95,6 +95,9 @@ bool stateFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResultInfo);
int32_t stateCountFunction(SqlFunctionCtx* pCtx);
int32_t stateDurationFunction(SqlFunctionCtx* pCtx);
bool getCsumFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv);
int32_t csumFunction(SqlFunctionCtx* pCtx);
bool getSelectivityFuncEnv(SFunctionNode* pFunc, SFuncExecEnv* pEnv);
#ifdef __cplusplus

41
source/libs/function/src/builtins.c
View File

@ -308,6 +308,37 @@ static int32_t translateStateDuration(SFunctionNode* pFunc, char* pErrBuf, int32
return TSDB_CODE_SUCCESS;
}
static int32_t translateCsum(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
if (1 != LIST_LENGTH(pFunc->pParameterList)) {
return TSDB_CODE_SUCCESS;
}
SNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
if (QUERY_NODE_COLUMN != nodeType(pPara)) {
return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR,
"The input parameter of CSUM function can only be column");
}
uint8_t colType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
uint8_t resType;
if (!IS_NUMERIC_TYPE(colType)) {
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
} else {
if (IS_SIGNED_NUMERIC_TYPE(colType)) {
resType = TSDB_DATA_TYPE_BIGINT;
} else if (IS_UNSIGNED_NUMERIC_TYPE(colType)) {
resType = TSDB_DATA_TYPE_UBIGINT;
} else if (IS_FLOAT_TYPE(colType)) {
resType = TSDB_DATA_TYPE_DOUBLE;
} else {
ASSERT(0);
}
}
pFunc->node.resType = (SDataType) { .bytes = tDataTypes[resType].bytes, .type = resType};
return TSDB_CODE_SUCCESS;
}
static int32_t translateLastRow(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
// todo
return TSDB_CODE_SUCCESS;
@ -742,6 +773,16 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.processFunc = stateDurationFunction,
.finalizeFunc = NULL
},
{
.name = "csum",
.type = FUNCTION_TYPE_CSUM,
.classification = FUNC_MGT_NONSTANDARD_SQL_FUNC | FUNC_MGT_TIMELINE_FUNC,
.translateFunc = translateCsum,
.getEnvFunc = getCsumFuncEnv,
.initFunc = functionSetup,
.processFunc = csumFunction,
.finalizeFunc = NULL
},
{
.name = "abs",
.type = FUNCTION_TYPE_ABS,

57
source/libs/function/src/builtinsimpl.c
View File

@ -2818,7 +2818,6 @@ int32_t stateCountFunction(SqlFunctionCtx* pCtx) {
SInputColumnInfoData* pInput = &pCtx->input;
SColumnInfoData* pInputCol = pInput->pData[0];
SColumnInfoData* pTsOutput = pCtx->pTsOutput;
int32_t numOfElems = 0;
SColumnInfoData* pOutput = (SColumnInfoData*)pCtx->pOutput;
@ -2856,7 +2855,6 @@ int32_t stateDurationFunction(SqlFunctionCtx* pCtx) {
TSKEY* tsList = (int64_t*)pInput->pPTS->pData;
SColumnInfoData* pInputCol = pInput->pData[0];
SColumnInfoData* pTsOutput = pCtx->pTsOutput;
int32_t numOfElems = 0;
SColumnInfoData* pOutput = (SColumnInfoData*)pCtx->pOutput;
@ -2896,3 +2894,58 @@ int32_t stateDurationFunction(SqlFunctionCtx* pCtx) {
return numOfElems;
}
bool getCsumFuncEnv(SFunctionNode* UNUSED_PARAM(pFunc), SFuncExecEnv* pEnv) {
pEnv->calcMemSize = sizeof(SSumRes);
return true;
}
int32_t csumFunction(SqlFunctionCtx* pCtx) {
SResultRowEntryInfo* pResInfo = GET_RES_INFO(pCtx);
SSumRes* pSumRes = GET_ROWCELL_INTERBUF(pResInfo);
SInputColumnInfoData* pInput = &pCtx->input;
TSKEY* tsList = (int64_t*)pInput->pPTS->pData;
SColumnInfoData* pInputCol = pInput->pData[0];
SColumnInfoData* pTsOutput = pCtx->pTsOutput;
SColumnInfoData* pOutput = (SColumnInfoData*)pCtx->pOutput;
int32_t numOfElems = 0;
int32_t type = pInputCol->info.type;
int32_t startOffset = pCtx->offset;
for (int32_t i = pInput->startRowIndex; i < pInput->numOfRows + pInput->startRowIndex; i += 1) {
int32_t pos = startOffset + numOfElems;
if (colDataIsNull_f(pInputCol->nullbitmap, i)) {
//colDataAppendNULL(pOutput, i);
continue;
}
char* data = colDataGetData(pInputCol, i);
if (IS_SIGNED_NUMERIC_TYPE(type)) {
int64_t v;
GET_TYPED_DATA(v, int64_t, type, data);
pSumRes->isum += v;
colDataAppend(pOutput, pos, (char *)&pSumRes->isum, false);
} else if (IS_UNSIGNED_NUMERIC_TYPE(type)) {
uint64_t v;
GET_TYPED_DATA(v, uint64_t, type, data);
pSumRes->usum += v;
colDataAppend(pOutput, pos, (char *)&pSumRes->usum, false);
} else if (IS_FLOAT_TYPE(type)) {
double v;
GET_TYPED_DATA(v, double, type, data);
pSumRes->dsum += v;
colDataAppend(pOutput, pos, (char *)&pSumRes->dsum, false);
}
//TODO: remove this after pTsOutput is handled
if (pTsOutput != NULL) {
colDataAppendInt64(pTsOutput, pos, &tsList[i]);
}
numOfElems++;
}
return numOfElems;
}