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- /*-------------------------------------------------------------------------
- *
- * plancat.h
- * prototypes for plancat.c.
- *
- *
- * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * src/include/optimizer/plancat.h
- *
- *-------------------------------------------------------------------------
- */
- #ifndef PLANCAT_H
- #define PLANCAT_H
- #include "nodes/relation.h"
- #include "utils/relcache.h"
- /* Hook for plugins to get control in get_relation_info() */
- typedef void (*get_relation_info_hook_type) (PlannerInfo *root,
- Oid relationObjectId,
- bool inhparent,
- RelOptInfo *rel);
- extern PGDLLIMPORT get_relation_info_hook_type get_relation_info_hook;
- extern void get_relation_info(PlannerInfo *root, Oid relationObjectId,
- bool inhparent, RelOptInfo *rel);
- extern List *infer_arbiter_indexes(PlannerInfo *root);
- extern void estimate_rel_size(Relation rel, int32 *attr_widths,
- BlockNumber *pages, double *tuples, double *allvisfrac);
- extern int32 get_relation_data_width(Oid relid, int32 *attr_widths);
- extern bool relation_excluded_by_constraints(PlannerInfo *root,
- RelOptInfo *rel, RangeTblEntry *rte);
- extern List *build_physical_tlist(PlannerInfo *root, RelOptInfo *rel);
- extern bool has_unique_index(RelOptInfo *rel, AttrNumber attno);
- extern Selectivity restriction_selectivity(PlannerInfo *root,
- Oid operatorid,
- List *args,
- Oid inputcollid,
- int varRelid);
- extern Selectivity join_selectivity(PlannerInfo *root,
- Oid operatorid,
- List *args,
- Oid inputcollid,
- JoinType jointype,
- SpecialJoinInfo *sjinfo);
- extern bool has_row_triggers(PlannerInfo *root, Index rti, CmdType event);
- #endif /* PLANCAT_H */
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