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-rw-r--r--src/backend/nodes/copyfuncs.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c
index 2698f084787..627f62c84f8 100644
--- a/src/backend/nodes/copyfuncs.c
+++ b/src/backend/nodes/copyfuncs.c
@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.244 2003/02/16 02:30:37 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.245 2003/03/05 20:01:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1481,12 +1481,16 @@ _copyQuery(Query *from)
COPY_NODE_FIELD(limitCount);
COPY_NODE_FIELD(setOperations);
COPY_INTLIST_FIELD(resultRelations);
+ COPY_NODE_FIELD(in_info_list);
+ COPY_SCALAR_FIELD(hasJoinRTEs);
/*
- * We do not copy the planner internal fields: base_rel_list,
- * other_rel_list, join_rel_list, equi_key_list, in_info_list,
- * query_pathkeys, hasJoinRTEs. That would get us into copying
- * RelOptInfo/Path trees, which we don't want to do.
+ * We do not copy the other planner internal fields: base_rel_list,
+ * other_rel_list, join_rel_list, equi_key_list, query_pathkeys.
+ * That would get us into copying RelOptInfo/Path trees, which we don't
+ * want to do. It is necessary to copy in_info_list and hasJoinRTEs
+ * for the benefit of inheritance_planner(), which may try to copy a
+ * Query in which these are already set.
*/
return newnode;