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MergeSort was sometimes called mergejoin and was confusing. Now

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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
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10
src/backend/optimizer/path/costsize.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/costsize.c,v 1.22 1998/07/18 04:22:31 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/costsize.c,v 1.23 1998/08/04 16:44:04 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -47,7 +47,7 @@ bool _enable_indexscan_ = true;
bool _enable_sort_ = true;
bool _enable_hash_ = true;
bool _enable_nestloop_ = true;
bool _enable_mergesort_ = true;
bool _enable_mergejoin_ = true;
bool _enable_hashjoin_ = true;
Cost _cpu_page_wight_ = _CPU_PAGE_WEIGHT_;
@@ -259,7 +259,7 @@ cost_nestloop(Cost outercost,
}
/*
* cost_mergesort--
* cost_mergejoin--
* 'outercost' and 'innercost' are the (disk+cpu) costs of scanning the
* outer and inner relations
* 'outersortkeys' and 'innersortkeys' are lists of the keys to be used
@@ -273,7 +273,7 @@ cost_nestloop(Cost outercost,
*
*/
Cost
cost_mergesort(Cost outercost,
cost_mergejoin(Cost outercost,
Cost innercost,
List *outersortkeys,
List *innersortkeys,
@@ -284,7 +284,7 @@ cost_mergesort(Cost outercost,
{
Cost temp = 0;
if (!_enable_mergesort_)
if (!_enable_mergejoin_)
temp += _disable_cost_;
temp += outercost;