postgresql/src/include/optimizer/geqo_gene.h

46 lines
1.1 KiB
C

/*-------------------------------------------------------------------------
*
* geqo_gene.h
* genome representation in optimizer/geqo
*
* Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/optimizer/geqo_gene.h
*
*-------------------------------------------------------------------------
*/
/* contributed by:
=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
* Martin Utesch * Institute of Automatic Control *
= = University of Mining and Technology =
* utesch@aut.tu-freiberg.de * Freiberg, Germany *
=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
*/
#ifndef GEQO_GENE_H
#define GEQO_GENE_H
#include "nodes/nodes.h"
/* we presume that int instead of Relid
is o.k. for Gene; so don't change it! */
typedef int Gene;
typedef struct Chromosome
{
Gene *string;
Cost worth;
} Chromosome;
typedef struct Pool
{
Chromosome *data;
int size;
int string_length;
} Pool;
#endif /* GEQO_GENE_H */