1
0
mirror of https://github.com/postgres/postgres.git synced 2025-10-27 00:12:01 +03:00

Tid access method feature from Hiroshi Inoue, Inoue@tpf.co.jp

This commit is contained in:
Bruce Momjian
1999-11-23 20:07:06 +00:00
parent 54ffd4677a
commit 6f9ff92cc0
28 changed files with 1396 additions and 32 deletions

View File

@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: cost.h,v 1.23 1999/08/06 04:00:13 tgl Exp $
* $Id: cost.h,v 1.24 1999/11/23 20:07:05 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -31,11 +31,13 @@ extern bool _enable_sort_;
extern bool _enable_nestloop_;
extern bool _enable_mergejoin_;
extern bool _enable_hashjoin_;
extern bool _enable_tidscan_;
extern Cost cost_seqscan(int relid, int relpages, int reltuples);
extern Cost cost_index(Oid indexid, int expected_indexpages, Cost selec,
int relpages, int reltuples, int indexpages,
int indextuples, bool is_injoin);
extern Cost cost_tidscan(List *evallist);
extern Cost cost_sort(List *pathkeys, int tuples, int width);
extern Cost cost_nestloop(Cost outercost, Cost innercost, int outertuples,
int innertuples, int outerpages, bool is_indexjoin);

View File

@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: pathnode.h,v 1.21 1999/08/16 02:17:45 tgl Exp $
* $Id: pathnode.h,v 1.22 1999/11/23 20:07:06 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -27,6 +27,7 @@ extern Path *create_seqscan_path(RelOptInfo *rel);
extern IndexPath *create_index_path(Query *root, RelOptInfo *rel,
RelOptInfo *index, List *restriction_clauses);
extern TidPath *create_tidscan_path(RelOptInfo *rel, List *tideval);
extern NestPath *create_nestloop_path(RelOptInfo *joinrel,
RelOptInfo *outer_rel, Path *outer_path, Path *inner_path,

View File

@@ -7,7 +7,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: paths.h,v 1.35 1999/08/21 03:49:15 tgl Exp $
* $Id: paths.h,v 1.36 1999/11/23 20:07:06 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -30,6 +30,12 @@ extern List *create_index_paths(Query *root, RelOptInfo *rel, List *indices,
List *joininfo_list);
extern List *expand_indexqual_conditions(List *indexquals);
/*
* tidpath.h
* routines to generate tid paths
*/
extern List *create_tidscan_paths(Query *root, RelOptInfo *rel);
/*
* joinpath.c
* routines to create join paths