database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-11-28 11:44:57 +03:00
Code Activity

Merge in GEQO Optimizer

Browse Source 
From: "Martin S. Utesch" <utesch@aut.tu-freiberg.de>
This commit is contained in:
Marc G. Fournier
1997-02-19 12:59:07 +00:00
parent 34f35a4c19
commit 29138eeb3c
29 changed files with 3823 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
src/include/optimizer/geqo_pool.h Normal file
View File

@@ -0,0 +1,37 @@
/*-------------------------------------------------------------------------
*
* geqo_pool.h--
* pool representation in optimizer/geqo
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: geqo_pool.h,v 1.1 1997/02/19 12:58:59 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
/* contributed by:
=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
* Martin Utesch * Institute of Automatic Control *
= = University of Mining and Technology =
* utesch@aut.tu-freiberg.de * Freiberg, Germany *
=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
*/
#ifndef GEQO_POOL_H
#define GEQO_POOL_H
extern Pool *alloc_pool(int pool_size, int string_length);
extern void free_pool(Pool *pool);
extern void random_init_pool(Query *root, Pool *pool, int strt, int stop);
extern Chromosome *alloc_chromo(int string_length);
extern void free_chromo(Chromosome *chromo);
extern void spread_chromo(Chromosome *chromo, Pool *pool);
extern void sort_pool (Pool *pool);
#endif /* GEQO_POOL_H */