Change field name in RetrieveStmt from selectClause to unionClause.

Add unionall boolean field to SubSelect structure.

diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h
index d6f866a4455ab000a5eee2555ba0a6c58c9d9cf2..d2b2066d3a8dfc4b0a58a1c2930e687b7de59985 100644 (file)
--- a/src/include/nodes/parsenodes.h
+++ b/src/include/nodes/parsenodes.h
@@ -6,7 +6,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: parsenodes.h,v 1.37 1997/12/04 23:55:52 thomas Exp $
+ * $Id: parsenodes.h,v 1.38 1997/12/23 19:58:12 thomas Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -632,7 +632,7 @@ typedef struct RetrieveStmt
        Node       *whereClause;        /* qualifications */
        List       *groupClause;        /* group by clause */
        Node       *havingClause;       /* having conditional-expression */
-       List       *selectClause;       /* subselect parameters */
+       List       *unionClause;        /* union subselect parameters */
        List       *sortClause;         /* sort clause (a list of SortGroupBy's) */
 } RetrieveStmt;
 
@@ -648,6 +648,7 @@ typedef struct SubSelect
 {
        NodeTag         type;
        char       *unique;                     /* NULL, '*', or unique attribute name */
+       int                     unionall;               /* union without unique sort */
        List       *targetList;         /* the target list (of ResTarget) */
        List       *fromClause;         /* the from clause */
        Node       *whereClause;        /* qualifications */