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-rw-r--r--src/include/nodes/primnodes.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/include/nodes/primnodes.h b/src/include/nodes/primnodes.h
index 9a3e09b77ec..cdcd4d5caa5 100644
--- a/src/include/nodes/primnodes.h
+++ b/src/include/nodes/primnodes.h
@@ -10,7 +10,7 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/nodes/primnodes.h,v 1.131 2007/06/11 01:16:30 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/nodes/primnodes.h,v 1.132 2007/06/11 22:22:42 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -922,12 +922,17 @@ typedef struct SetToDefault
* of the target relation being constrained; this aids placing the expression
* correctly during planning. We can assume however that its "levelsup" is
* always zero, due to the syntactic constraints on where it can appear.
+ *
+ * The referenced cursor can be represented either as a hardwired string
+ * or as a reference to a run-time parameter of type REFCURSOR. The latter
+ * case is for the convenience of plpgsql.
*/
typedef struct CurrentOfExpr
{
Expr xpr;
Index cvarno; /* RT index of target relation */
- char *cursor_name; /* name of referenced cursor */
+ char *cursor_name; /* name of referenced cursor, or NULL */
+ int cursor_param; /* refcursor parameter number, or 0 */
} CurrentOfExpr;
/*--------------------