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41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/*-------------------------------------------------------------------------
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*
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* geqo_pool.h
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* pool representation in optimizer/geqo
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*
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* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: geqo_pool.h,v 1.15 2001/11/05 17:46:34 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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/* contributed by:
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=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
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* Martin Utesch * Institute of Automatic Control *
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= = University of Mining and Technology =
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* utesch@aut.tu-freiberg.de * Freiberg, Germany *
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=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
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*/
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#ifndef GEQO_POOL_H
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#define GEQO_POOL_H
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#include "optimizer/geqo_gene.h"
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#include "nodes/parsenodes.h"
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extern Pool *alloc_pool(int pool_size, int string_length);
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extern void free_pool(Pool *pool);
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extern void random_init_pool(Query *root, List *initial_rels,
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Pool *pool, int strt, int stop);
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extern Chromosome *alloc_chromo(int string_length);
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extern void free_chromo(Chromosome *chromo);
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extern void spread_chromo(Chromosome *chromo, Pool *pool);
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extern void sort_pool(Pool *pool);
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#endif /* GEQO_POOL_H */
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