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

MergeSort was sometimes called mergejoin and was confusing. Now

Browse Source 
it is now only mergejoin.
This commit is contained in:
Bruce Momjian
1998-08-04 16:44:31 +00:00
parent 7db9ea5c1e
commit d9be0ff432
23 changed files with 117 additions and 116 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/include/optimizer/cost.h
View File

@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: cost.h,v 1.9 1998/07/18 04:22:46 momjian Exp $
* $Id: cost.h,v 1.10 1998/08/04 16:44:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -27,7 +27,7 @@ extern bool _enable_indexscan_;
extern bool _enable_sort_;
extern bool _enable_hash_;
extern bool _enable_nestloop_;
extern bool _enable_mergesort_;
extern bool _enable_mergejoin_;
extern bool _enable_hashjoin_;
extern Cost cost_seqscan(int relid, int relpages, int reltuples);
@@ -40,7 +40,7 @@ extern Cost
cost_nestloop(Cost outercost, Cost innercost, int outertuples,
int innertuples, int outerpages, bool is_indexjoin);
extern Cost
cost_mergesort(Cost outercost, Cost innercost,
cost_mergejoin(Cost outercost, Cost innercost,
List *outersortkeys, List *innersortkeys,
int outersize, int innersize, int outerwidth, int innerwidth);
extern Cost

4
src/include/optimizer/pathnode.h
View File

@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: pathnode.h,v 1.8 1998/07/18 04:22:51 momjian Exp $
* $Id: pathnode.h,v 1.9 1998/08/04 16:44:29 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -33,7 +33,7 @@ extern JoinPath *
create_nestloop_path(RelOptInfo *joinrel, RelOptInfo *outer_rel,
Path *outer_path, Path *inner_path, List *keys);
extern MergePath *
create_mergesort_path(RelOptInfo *joinrel, int outersize,
create_mergejoin_path(RelOptInfo *joinrel, int outersize,
int innersize, int outerwidth, int innerwidth, Path *outer_path,
Path *inner_path, List *keys, MergeOrder *order,
List *mergeclauses, List *outersortkeys, List *innersortkeys);