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authorTom Lane <tgl@sss.pgh.pa.us>2006-01-17 17:33:37 +0000
committerTom Lane <tgl@sss.pgh.pa.us>2006-01-17 17:33:37 +0000
commit754da88e19e56a6aaba06a57f45fdf1b5ae792a3 (patch)
tree0dcbed1bb16054939b9f794a0637532e71f582c0 /src/backend/utils/adt/ruleutils.c
parent8372956243a477a67f1d01674c86f0285f05ccbb (diff)
downloadpostgresql-754da88e19e56a6aaba06a57f45fdf1b5ae792a3.tar.gz
postgresql-754da88e19e56a6aaba06a57f45fdf1b5ae792a3.zip
Repair problems with the result of lookup_rowtype_tupdesc() possibly being
discarded by cache flush while still in use. This is a minimal patch that just copies the tupdesc anywhere it could be needed across a flush. Applied to back branches only; Neil Conway is working on a better long-term solution for HEAD.
Diffstat (limited to 'src/backend/utils/adt/ruleutils.c')
-rw-r--r--src/backend/utils/adt/ruleutils.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 63ec591edfb..a2552f4722a 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -3,7 +3,7 @@
* back to source text
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.188.4.2 2005/07/15 18:40:20 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.188.4.3 2006/01/17 17:33:34 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@@ -3245,6 +3245,7 @@ get_rule_expr(Node *node, deparse_context *context,
if (rowexpr->row_typeid != RECORDOID)
{
tupdesc = lookup_rowtype_tupdesc(rowexpr->row_typeid, -1);
+ tupdesc = CreateTupleDescCopy(tupdesc);
Assert(list_length(rowexpr->args) <= tupdesc->natts);
}