diff options
| -rw-r--r-- | src/backend/optimizer/plan/subselect.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/backend/optimizer/plan/subselect.c b/src/backend/optimizer/plan/subselect.c index 1dcebba2e77..91f0056b6ac 100644 --- a/src/backend/optimizer/plan/subselect.c +++ b/src/backend/optimizer/plan/subselect.c @@ -7,7 +7,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/subselect.c,v 1.55 2002/09/04 20:31:21 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/subselect.c,v 1.55.2.1 2003/11/30 22:24:16 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -90,6 +90,11 @@ replace_var(Var *var) * well, I believe that this sort of aliasing will cause no trouble. * The correct field should get stored into the Param slot at * execution in each part of the tree. + * + * We also need to demand a match on vartypmod. This does not matter + * for the Param itself, since those are not typmod-dependent, but it + * does matter when make_subplan() instantiates a modified copy of the + * Var for a subplan's args list. */ i = 0; foreach(ppv, PlannerParamVar) @@ -99,7 +104,8 @@ replace_var(Var *var) if (pvar->varno == var->varno && pvar->varattno == var->varattno && pvar->varlevelsup == varlevel && - pvar->vartype == var->vartype) + pvar->vartype == var->vartype && + pvar->vartypmod == var->vartypmod) break; i++; } |