diff options
Diffstat (limited to 'src/include/optimizer/var.h')
| -rw-r--r-- | src/include/optimizer/var.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/include/optimizer/var.h b/src/include/optimizer/var.h index 83b181932e5..5d19572e0d9 100644 --- a/src/include/optimizer/var.h +++ b/src/include/optimizer/var.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/optimizer/var.h,v 1.40 2009/01/01 17:24:00 momjian Exp $ + * $PostgreSQL: pgsql/src/include/optimizer/var.h,v 1.41 2009/04/19 19:46:33 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -16,6 +16,12 @@ #include "nodes/relation.h" +typedef enum +{ + PVC_REJECT_PLACEHOLDERS, /* throw error if PlaceHolderVar found */ + PVC_INCLUDE_PLACEHOLDERS, /* include PlaceHolderVars in output list */ + PVC_RECURSE_PLACEHOLDERS /* recurse into PlaceHolderVar argument */ +} PVCPlaceHolderBehavior; extern Relids pull_varnos(Node *node); extern void pull_varattnos(Node *node, Bitmapset **varattnos); @@ -24,7 +30,7 @@ extern bool contain_vars_of_level(Node *node, int levelsup); extern int locate_var_of_level(Node *node, int levelsup); extern int locate_var_of_relation(Node *node, int relid, int levelsup); extern int find_minimum_var_level(Node *node); -extern List *pull_var_clause(Node *node, bool includePlaceHolderVars); +extern List *pull_var_clause(Node *node, PVCPlaceHolderBehavior behavior); extern Node *flatten_join_alias_vars(PlannerInfo *root, Node *node); #endif /* VAR_H */ |