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plancat.h
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1 /*-------------------------------------------------------------------------
2  *
3  * plancat.h
4  * prototypes for plancat.c.
5  *
6  *
7  * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
8  * Portions Copyright (c) 1994, Regents of the University of California
9  *
10  * src/include/optimizer/plancat.h
11  *
12  *-------------------------------------------------------------------------
13  */
14 #ifndef PLANCAT_H
15 #define PLANCAT_H
16 
17 #include "nodes/pathnodes.h"
18 #include "utils/relcache.h"
19 
20 /* Hook for plugins to get control in get_relation_info() */
22  Oid relationObjectId,
23  bool inhparent,
24  RelOptInfo *rel);
26 
27 
28 extern void get_relation_info(PlannerInfo *root, Oid relationObjectId,
29  bool inhparent, RelOptInfo *rel);
30 
32 
33 extern void estimate_rel_size(Relation rel, int32 *attr_widths,
34  BlockNumber *pages, double *tuples, double *allvisfrac);
35 
36 extern int32 get_rel_data_width(Relation rel, int32 *attr_widths);
37 extern int32 get_relation_data_width(Oid relid, int32 *attr_widths);
38 
40  RelOptInfo *rel, RangeTblEntry *rte);
41 
42 extern List *build_physical_tlist(PlannerInfo *root, RelOptInfo *rel);
43 
44 extern bool has_unique_index(RelOptInfo *rel, AttrNumber attno);
45 
47  Oid operatorid,
48  List *args,
49  Oid inputcollid,
50  int varRelid);
51 
53  Oid operatorid,
54  List *args,
55  Oid inputcollid,
56  JoinType jointype,
57  SpecialJoinInfo *sjinfo);
58 
60  Oid funcid,
61  List *args,
62  Oid inputcollid,
63  bool is_join,
64  int varRelid,
65  JoinType jointype,
66  SpecialJoinInfo *sjinfo);
67 
68 extern void add_function_cost(PlannerInfo *root, Oid funcid, Node *node,
69  QualCost *cost);
70 
71 extern double get_function_rows(PlannerInfo *root, Oid funcid, Node *node);
72 
73 extern bool has_row_triggers(PlannerInfo *root, Index rti, CmdType event);
74 
75 extern bool has_stored_generated_columns(PlannerInfo *root, Index rti);
76 
77 #endif /* PLANCAT_H */
void get_relation_info(PlannerInfo *root, Oid relationObjectId, bool inhparent, RelOptInfo *rel)
Definition: plancat.c:113
Selectivity join_selectivity(PlannerInfo *root, Oid operatorid, List *args, Oid inputcollid, JoinType jointype, SpecialJoinInfo *sjinfo)
Definition: plancat.c:1802
Selectivity function_selectivity(PlannerInfo *root, Oid funcid, List *args, Oid inputcollid, bool is_join, int varRelid, JoinType jointype, SpecialJoinInfo *sjinfo)
Definition: plancat.c:1843
bool has_stored_generated_columns(PlannerInfo *root, Index rti)
Definition: plancat.c:2097
bool has_row_triggers(PlannerInfo *root, Index rti, CmdType event)
Definition: plancat.c:2056
void add_function_cost(PlannerInfo *root, Oid funcid, Node *node, QualCost *cost)
Definition: plancat.c:1905
Definition: nodes.h:525
uint32 BlockNumber
Definition: block.h:31
double Selectivity
Definition: nodes.h:658
unsigned int Oid
Definition: postgres_ext.h:31
#define PGDLLIMPORT
Definition: c.h:1266
signed int int32
Definition: c.h:347
JoinType
Definition: nodes.h:692
int32 get_relation_data_width(Oid relid, int32 *attr_widths)
Definition: plancat.c:1129
Selectivity restriction_selectivity(PlannerInfo *root, Oid operatorid, List *args, Oid inputcollid, int varRelid)
Definition: plancat.c:1763
PGDLLIMPORT get_relation_info_hook_type get_relation_info_hook
Definition: plancat.c:60
List * build_physical_tlist(PlannerInfo *root, RelOptInfo *rel)
Definition: plancat.c:1580
double get_function_rows(PlannerInfo *root, Oid funcid, Node *node)
Definition: plancat.c:1966
unsigned int Index
Definition: c.h:476
void estimate_rel_size(Relation rel, int32 *attr_widths, BlockNumber *pages, double *tuples, double *allvisfrac)
Definition: plancat.c:946
void(* get_relation_info_hook_type)(PlannerInfo *root, Oid relationObjectId, bool inhparent, RelOptInfo *rel)
Definition: plancat.h:21
Definition: pg_list.h:50
int16 AttrNumber
Definition: attnum.h:21
CmdType
Definition: nodes.h:668
bool relation_excluded_by_constraints(PlannerInfo *root, RelOptInfo *rel, RangeTblEntry *rte)
Definition: plancat.c:1384
bool has_unique_index(RelOptInfo *rel, AttrNumber attno)
Definition: plancat.c:2024
int32 get_rel_data_width(Relation rel, int32 *attr_widths)
Definition: plancat.c:1087
List * infer_arbiter_indexes(PlannerInfo *root)
Definition: plancat.c:598