postgres
/
postgres
mirror of https://github.com/postgres/postgres.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Now we have #define _CPU_INDEX_PAGE_WEIGHT_ 0.033 (/* CPU-index-to-page cost 

weighting factor */) in addition to
#define _CPU_PAGE_WEIGHT_  0.065 (/* CPU-heap-to-page cost weighting factor
*/).
pull/50/head
Vadim B. Mikheev 1997-04-09 02:24:19 +00:00
parent 2fd9273d97
commit 75e2370cc8
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/include/optimizer/internal.h
View File

@ -6,7 +6,7 @@
* *
* Copyright (c) 1994, Regents of the University of California * Copyright (c) 1994, Regents of the University of California
* *
* $Id: internal.h,v 1.3 1997/03/02 01:34:50 momjian Exp $ * $Id: internal.h,v 1.4 1997/04/09 02:24:19 vadim Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -27,9 +27,10 @@
* System-dependent tuning constants * System-dependent tuning constants
* *
*/ */
#define _CPU_PAGE_WEIGHT_ 0.065 /* CPU-to-page cost weighting factor */ #define _CPU_PAGE_WEIGHT_ 0.065 /* CPU-heap-to-page cost weighting factor */
#define _MAX_KEYS_ INDEX_MAX_KEYS /* maximum number of keys in an index */ #define _CPU_INDEX_PAGE_WEIGHT_ 0.033 /* CPU-index-to-page cost weighting factor */
#define _TID_SIZE_ 6 /* sizeof(itemid) (from ../h/itemid.h) */ #define _MAX_KEYS_ INDEX_MAX_KEYS /* maximum number of keys in an index */
#define _TID_SIZE_ 6 /* sizeof(itemid) (from ../h/itemid.h) */
/* /*
* Size estimates * Size estimates