diff options
Diffstat (limited to 'src/backend/parser/parse_agg.c')
| -rw-r--r-- | src/backend/parser/parse_agg.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/backend/parser/parse_agg.c b/src/backend/parser/parse_agg.c index ded0a14d723..3ef9e8ee5e1 100644 --- a/src/backend/parser/parse_agg.c +++ b/src/backend/parser/parse_agg.c @@ -434,6 +434,13 @@ check_agglevels_and_constraints(ParseState *pstate, Node *expr) case EXPR_KIND_UPDATE_TARGET: errkind = true; break; + case EXPR_KIND_MERGE_WHEN: + if (isAgg) + err = _("aggregate functions are not allowed in MERGE WHEN conditions"); + else + err = _("grouping operations are not allowed in MERGE WHEN conditions"); + + break; case EXPR_KIND_GROUP_BY: errkind = true; break; @@ -879,6 +886,9 @@ transformWindowFuncCall(ParseState *pstate, WindowFunc *wfunc, case EXPR_KIND_UPDATE_TARGET: errkind = true; break; + case EXPR_KIND_MERGE_WHEN: + err = _("window functions are not allowed in MERGE WHEN conditions"); + break; case EXPR_KIND_GROUP_BY: errkind = true; break; |