diff options
Diffstat (limited to 'src/backend/optimizer/util/clauses.c')
| -rw-r--r-- | src/backend/optimizer/util/clauses.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/backend/optimizer/util/clauses.c b/src/backend/optimizer/util/clauses.c index a0205d7b8c6..65c9b614584 100644 --- a/src/backend/optimizer/util/clauses.c +++ b/src/backend/optimizer/util/clauses.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/util/clauses.c,v 1.274 2009/01/06 01:23:21 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/util/clauses.c,v 1.275 2009/01/09 15:46:10 tgl Exp $ * * HISTORY * AUTHOR DATE MAJOR EVENT @@ -2018,6 +2018,9 @@ rowtype_field_matches(Oid rowtypeid, int fieldnum, * * NOTE: the planner assumes that this will always flatten nested AND and * OR clauses into N-argument form. See comments in prepqual.c. + * + * NOTE: another critical effect is that any function calls that require + * default arguments will be expanded. *-------------------- */ Node * @@ -3854,10 +3857,14 @@ evaluate_expr(Expr *expr, Oid result_type, int32 result_typmod) /* We can use the estate's working context to avoid memory leaks. */ oldcontext = MemoryContextSwitchTo(estate->es_query_cxt); + /* Make sure any opfuncids are filled in. */ + fix_opfuncids((Node *) expr); + /* - * Prepare expr for execution. + * Prepare expr for execution. (Note: we can't use ExecPrepareExpr + * because it'd result in recursively invoking eval_const_expressions.) */ - exprstate = ExecPrepareExpr(expr, estate); + exprstate = ExecInitExpr(expr, NULL); /* * And evaluate it. |