diff options
Diffstat (limited to 'src/include/optimizer')
| -rw-r--r-- | src/include/optimizer/placeholder.h | 28 | ||||
| -rw-r--r-- | src/include/optimizer/var.h | 4 |
2 files changed, 30 insertions, 2 deletions
diff --git a/src/include/optimizer/placeholder.h b/src/include/optimizer/placeholder.h new file mode 100644 index 0000000000..4f39aedcfe --- /dev/null +++ b/src/include/optimizer/placeholder.h @@ -0,0 +1,28 @@ +/*------------------------------------------------------------------------- + * + * placeholder.h + * prototypes for optimizer/util/placeholder.c. + * + * + * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * $PostgreSQL: pgsql/src/include/optimizer/placeholder.h,v 1.1 2008/10/21 20:42:53 tgl Exp $ + * + *------------------------------------------------------------------------- + */ +#ifndef PLACEHOLDER_H +#define PLACEHOLDER_H + +#include "nodes/relation.h" + + +extern PlaceHolderVar *make_placeholder_expr(PlannerInfo *root, Expr *expr, + Relids phrels); +extern PlaceHolderInfo *find_placeholder_info(PlannerInfo *root, + PlaceHolderVar *phv); +extern void fix_placeholder_eval_levels(PlannerInfo *root); +extern void add_placeholders_to_joinrel(PlannerInfo *root, + RelOptInfo *joinrel); + +#endif /* PLACEHOLDER_H */ diff --git a/src/include/optimizer/var.h b/src/include/optimizer/var.h index 4a8f84e553..c478259bcd 100644 --- a/src/include/optimizer/var.h +++ b/src/include/optimizer/var.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/optimizer/var.h,v 1.38 2008/09/01 20:42:45 tgl Exp $ + * $PostgreSQL: pgsql/src/include/optimizer/var.h,v 1.39 2008/10/21 20:42:53 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -24,7 +24,7 @@ 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 includeUpperVars); +extern List *pull_var_clause(Node *node, bool includePlaceHolderVars); extern Node *flatten_join_alias_vars(PlannerInfo *root, Node *node); #endif /* VAR_H */ |