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enh(query): diff support timestamp column type.

This commit is contained in:
Haojun Liao 2022-08-04 15:02:05 +08:00
parent 0410959aac
commit 3566e8cf46
2 changed files with 5 additions and 3 deletions
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4
source/libs/function/src/builtins.c
View File

@ -1523,7 +1523,7 @@ static int32_t translateDiff(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
}
uint8_t colType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
if (!IS_SIGNED_NUMERIC_TYPE(colType) && !IS_FLOAT_TYPE(colType) && TSDB_DATA_TYPE_BOOL != colType) {
if (!IS_SIGNED_NUMERIC_TYPE(colType) && !IS_FLOAT_TYPE(colType) && TSDB_DATA_TYPE_BOOL != colType && TSDB_DATA_TYPE_TIMESTAMP != colType) {
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
}
@ -2204,8 +2204,6 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.finalizeFunc = elapsedFinalize,
.invertFunc = NULL,
.combineFunc = elapsedCombine,
//.pPartialFunc = "_elapsed_partial",
//.pMergeFunc = "_elapsed_merge"
},
{
.name = "_elapsed_partial",

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

@ -3170,6 +3170,8 @@ bool diffFunctionSetup(SqlFunctionCtx* pCtx, SResultRowEntryInfo* pResInfo) {
static void doSetPrevVal(SDiffInfo* pDiffInfo, int32_t type, const char* pv) {
switch (type) {
case TSDB_DATA_TYPE_BOOL:
pDiffInfo->prev.i64 = *(bool*)pv? 1:0;
break;
case TSDB_DATA_TYPE_TINYINT:
pDiffInfo->prev.i64 = *(int8_t*)pv;
break;
@ -3179,6 +3181,7 @@ static void doSetPrevVal(SDiffInfo* pDiffInfo, int32_t type, const char* pv) {
case TSDB_DATA_TYPE_SMALLINT:
pDiffInfo->prev.i64 = *(int16_t*)pv;
break;
case TSDB_DATA_TYPE_TIMESTAMP:
case TSDB_DATA_TYPE_BIGINT:
pDiffInfo->prev.i64 = *(int64_t*)pv;
break;
@ -3232,6 +3235,7 @@ static void doHandleDiff(SDiffInfo* pDiffInfo, int32_t type, const char* pv, SCo
pDiffInfo->prev.i64 = v;
break;
}
case TSDB_DATA_TYPE_TIMESTAMP:
case TSDB_DATA_TYPE_BIGINT: {
int64_t v = *(int64_t*)pv;
int64_t delta = factor * (v - pDiffInfo->prev.i64); // direct previous may be null