diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/optimizer/plan/planner.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c index aeaa07658cc..323d2c61b12 100644 --- a/src/backend/optimizer/plan/planner.c +++ b/src/backend/optimizer/plan/planner.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planner.c,v 1.48 1999/05/03 00:38:43 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planner.c,v 1.49 1999/05/04 00:00:20 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -505,8 +505,13 @@ make_subplanTargetList(Query *parse, if (tlist_member(v, sub_tlist) == NULL) { + /* Make sure sub_tlist element is a fresh object not shared with + * any other structure; not sure if anything will break if it is + * shared, but better to be safe... + */ sub_tlist = lappend(sub_tlist, - create_tl_element(v, next_resno)); + create_tl_element((Var *) copyObject(v), + next_resno)); next_resno++; } } |