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-rw-r--r--src/include/parser/parse_node.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/include/parser/parse_node.h b/src/include/parser/parse_node.h
index 78b43d915a8..b653caeeb32 100644
--- a/src/include/parser/parse_node.h
+++ b/src/include/parser/parse_node.h
@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/parser/parse_node.h,v 1.62 2009/06/11 14:49:11 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/parser/parse_node.h,v 1.63 2009/09/09 03:32:52 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -61,6 +61,9 @@
* p_future_ctes: list of CommonTableExprs (WITH items) that are not yet
* visible due to scope rules. This is used to help improve error messages.
*
+ * p_parent_cte: CommonTableExpr that immediately contains the current query,
+ * if any.
+ *
* p_windowdefs: list of WindowDefs representing WINDOW and OVER clauses.
* We collect these while transforming expressions and then transform them
* afterwards (so that any resjunk tlist items needed for the sort/group
@@ -88,6 +91,7 @@ typedef struct ParseState
List *p_varnamespace; /* current namespace for columns */
List *p_ctenamespace; /* current namespace for common table exprs */
List *p_future_ctes; /* common table exprs not yet in namespace */
+ CommonTableExpr *p_parent_cte; /* this query's containing CTE */
List *p_windowdefs; /* raw representations of window clauses */
Oid *p_paramtypes; /* OIDs of types for $n parameter symbols */
int p_numparams; /* allocated size of p_paramtypes[] */