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/*-------------------------------------------------------------------------
*
* geqo_pool.h
* pool representation in optimizer/geqo
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: geqo_pool.h,v 1.10 2000/09/19 18:42:32 tgl 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
#include "optimizer/geqo_gene.h"
#include "nodes/parsenodes.h"
extern Pool *alloc_pool(int pool_size, int string_length);
extern void free_pool(Pool *pool);
extern void random_init_pool(Query *root, List *initial_rels,
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 */
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