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Cleanup of min tuple size.

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This commit is contained in:
Bruce Momjian 1999-07-07 09:27:28 +00:00
parent 1391098851
commit 9f7ac20e57
3 changed files with 9 additions and 7 deletions
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8
src/backend/catalog/index.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.80 1999/07/03 00:32:38 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.81 1999/07/07 09:27:25 momjian Exp $
*
*
* INTERFACE ROUTINES
@ -57,8 +57,10 @@
/*
* macros used in guessing how many tuples are on a page.
*/
#define AVG_TUPLE_SIZE MinTupleSize
#define NTUPLES_PER_PAGE(natts) (BLCKSZ/((natts)*AVG_TUPLE_SIZE))
#define AVG_ATTR_SIZE 8
#define NTUPLES_PER_PAGE(natts) \
((BLCKSZ - MAXALIGN(sizeof (PageHeaderData))) / \
((natts) * AVG_ATTR_SIZE + MAXALIGN(sizeof(HeapTupleHeaderData))))
/* non-export function prototypes */
static Oid GetHeapRelationOid(char *heapRelationName, char *indexRelationName,

4
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 1.39 1999/07/07 09:11:15 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/costsize.c,v 1.40 1999/07/07 09:27:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -51,7 +51,7 @@ bool _enable_nestloop_ = true;
bool _enable_mergejoin_ = true;
bool _enable_hashjoin_ = true;
Cost _cpu_page_weight_ = _CPU_PAGE_WEIGHT_;
Cost _cpu_page_weight_ = _CPU_PAGE_WEIGHT_;
Cost _cpu_index_page_wight_ = _CPU_INDEX_PAGE_WEIGHT_;
/*

4
src/include/optimizer/internal.h
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@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: internal.h,v 1.20 1999/05/25 16:14:18 momjian Exp $
* $Id: internal.h,v 1.21 1999/07/07 09:27:28 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -27,7 +27,7 @@
* System-dependent tuning constants
*
*/
#define _CPU_PAGE_WEIGHT_ 0.033/* CPU-heap-to-page cost weighting factor */
#define _CPU_PAGE_WEIGHT_ 0.033 /* CPU-heap-to-page cost weighting factor */
#define _CPU_INDEX_PAGE_WEIGHT_ 0.017 /* CPU-index-to-page cost
* weighting factor */
#define _MAX_KEYS_ INDEX_MAX_KEYS /* maximum number of keys in an