diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2002-12-04 20:00:19 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2002-12-04 20:00:19 +0000 |
| commit | b8b92c6908d1eacaaee477ddcad6806f89b8b92c (patch) | |
| tree | 29463cc646112db8491f76d405643d29797c7d88 | |
| parent | 5b827b68db2f7852f02a2cceba9ff6ffc8dbeb7e (diff) | |
Repair oversight in recent change of dependency extraction code: when
recursing to handle a join alias var, the context had better be set to
be appropriate to the join var's query level. Per report from Hristo Neshev.
| -rw-r--r-- | src/backend/catalog/dependency.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/backend/catalog/dependency.c b/src/backend/catalog/dependency.c index d313ec22531..5afa798d3eb 100644 --- a/src/backend/catalog/dependency.c +++ b/src/backend/catalog/dependency.c @@ -8,7 +8,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/catalog/dependency.c,v 1.12 2002/09/22 00:37:09 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/catalog/dependency.c,v 1.12.2.1 2002/12/04 20:00:19 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -789,6 +789,11 @@ find_expr_references_walker(Node *node, else if (rte->rtekind == RTE_JOIN) { /* Scan join output column to add references to join inputs */ + List *save_rtables; + + /* We must make the context appropriate for join's level */ + save_rtables = context->rtables; + context->rtables = rtables; if (var->varattno <= 0 || var->varattno > length(rte->joinaliasvars)) elog(ERROR, "find_expr_references_walker: bogus varattno %d", @@ -796,6 +801,7 @@ find_expr_references_walker(Node *node, find_expr_references_walker((Node *) nth(var->varattno - 1, rte->joinaliasvars), context); + context->rtables = save_rtables; } return false; } |