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ztao1987 pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/hawq.git
The following commit(s) were added to refs/heads/master by this push:
new c1adfc2 HAWQ-1813. fix wrong judgment of union query
c1adfc2 is described below
commit c1adfc223ee4ffaffd15116adb42078aaacc66d5
Author: ztao1987 <[email protected]>
AuthorDate: Wed Nov 17 14:23:27 2021 +0800
HAWQ-1813. fix wrong judgment of union query
---
src/backend/parser/parse_clause.c | 28 ++++------------------------
1 file changed, 4 insertions(+), 24 deletions(-)
diff --git a/src/backend/parser/parse_clause.c
b/src/backend/parser/parse_clause.c
index 5f08dee..dc08457 100644
--- a/src/backend/parser/parse_clause.c
+++ b/src/backend/parser/parse_clause.c
@@ -3218,30 +3218,10 @@ addTargetToSortList(ParseState *pstate, TargetEntry
*tle,
/* if tlist item is an UNKNOWN literal, change it to TEXT */
if (restype == UNKNOWNOID && resolveUnknown)
{
- Oid tobe_type = InvalidOid;
- int32 tobe_typmod;
-
- if (pstate->p_setopTypes)
- {
- /* UNION, etc. case. */
- int idx = tle->resno - 1;
-
- Assert(pstate->p_setopTypmods);
- tobe_type = list_nth_oid(pstate->p_setopTypes,
idx);
- tobe_typmod =
list_nth_int(pstate->p_setopTypmods, idx);
- }
-
- if (!OidIsValid(tobe_type))
- {
- tobe_type = TEXTOID;
- tobe_typmod = -1;
- }
- tle->expr = (Expr *) coerce_type(pstate, (Node *)
tle->expr,
-
restype, tobe_type, tobe_typmod,
-
COERCION_IMPLICIT,
-
COERCE_IMPLICIT_CAST,
-
-1);
- restype = tobe_type;
+ tle->expr = (Expr *) coerce_type(
+ pstate, (Node *) tle->expr, restype,
TEXTOID, -1,
+ COERCION_IMPLICIT,
COERCE_IMPLICIT_CAST, -1);
+ restype = TEXTOID;
}
sortcl->tleSortGroupRef = assignSortGroupRef(tle, targetlist);
