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| author | Vadim B. Mikheev <vadim4o@yahoo.com> | 1998-02-13 03:46:56 +0000 |
|---|---|---|
| committer | Vadim B. Mikheev <vadim4o@yahoo.com> | 1998-02-13 03:46:56 +0000 |
| commit | 5d7923dd1cd8fb8804a905a8b61c78c36ed512e6 (patch) | |
| tree | 9b3f493e0b2901cc303af22796853ea362b39f21 /src/include/optimizer/clauses.h | |
| parent | 6fcf2d7cb37b039f6a73a0b3935237f437d5d61f (diff) | |
| download | postgresql-5d7923dd1cd8fb8804a905a8b61c78c36ed512e6.tar.gz | |
Subselects...
Diffstat (limited to 'src/include/optimizer/clauses.h')
| -rw-r--r-- | src/include/optimizer/clauses.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/include/optimizer/clauses.h b/src/include/optimizer/clauses.h index 8df238e8ea..60ca943fb5 100644 --- a/src/include/optimizer/clauses.h +++ b/src/include/optimizer/clauses.h @@ -6,7 +6,7 @@ * * Copyright (c) 1994, Regents of the University of California * - * $Id: clauses.h,v 1.8 1998/01/24 22:49:39 momjian Exp $ + * $Id: clauses.h,v 1.9 1998/02/13 03:46:54 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -48,4 +48,8 @@ extern void get_rels_atts(Node *clause, int *relid1, AttrNumber *attno1, int *relid2, AttrNumber *attno2); extern void CommuteClause(Node *clause); +#define is_subplan(clause) ((Node*) clause != NULL && \ + nodeTag((Node*) clause) == T_Expr && \ + ((Expr *) clause)->opType == SUBPLAN_EXPR) + #endif /* CLAUSES_H */ |