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feat: sql command 'select constant'

This commit is contained in:
Xiaoyu Wang 2022-06-22 10:25:53 +08:00
parent eeab56e318
commit 5661f88742
1 changed files with 4 additions and 0 deletions
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4
source/libs/parser/src/parTranslater.c
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@ -665,6 +665,10 @@ static EDealRes translateColumnUseAlias(STranslateContext* pCxt, SColumnNode** p
}
static EDealRes translateColumn(STranslateContext* pCxt, SColumnNode** pCol) {
if (NULL != pCxt->pCurrSelectStmt && NULL == pCxt->pCurrSelectStmt->pFromTable) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_COLUMN, (*pCol)->colName);
}
// count(*)/first(*)/last(*) and so on
if (0 == strcmp((*pCol)->colName, "*")) {
return DEAL_RES_CONTINUE;