diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2003-02-16 02:30:39 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2003-02-16 02:30:39 +0000 |
| commit | 51972a9d5d068dd34b24ff4923981ffb90e5cc2d (patch) | |
| tree | c68fddbb3eaafbd332e84afbafe3c171f6372d4e /src/include/nodes/nodes.h | |
| parent | de25638d2fbe9e56ecfc60a7dda8a0c56028317a (diff) | |
COALESCE() and NULLIF() are now first-class expressions, not macros
that turn into CASE expressions. They evaluate their arguments at most
once. Patch by Kris Jurka, review and (very light) editorializing by me.
Diffstat (limited to 'src/include/nodes/nodes.h')
| -rw-r--r-- | src/include/nodes/nodes.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/include/nodes/nodes.h b/src/include/nodes/nodes.h index a218790194e..356f4b60fa3 100644 --- a/src/include/nodes/nodes.h +++ b/src/include/nodes/nodes.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: nodes.h,v 1.136 2003/02/03 21:15:44 tgl Exp $ + * $Id: nodes.h,v 1.137 2003/02/16 02:30:39 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -112,6 +112,8 @@ typedef enum NodeTag T_RelabelType, T_CaseExpr, T_CaseWhen, + T_CoalesceExpr, + T_NullIfExpr, T_NullTest, T_BooleanTest, T_CoerceToDomain, @@ -136,6 +138,7 @@ typedef enum NodeTag T_SubPlanState, T_CaseExprState, T_CaseWhenState, + T_CoalesceExprState, T_CoerceToDomainState, T_DomainConstraintState, |