| 1 | /*------------------------------------------------------------------------- |
| 2 | * |
| 3 | * geqo_gene.h |
| 4 | * genome representation in optimizer/geqo |
| 5 | * |
| 6 | * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group |
| 7 | * Portions Copyright (c) 1994, Regents of the University of California |
| 8 | * |
| 9 | * src/include/optimizer/geqo_gene.h |
| 10 | * |
| 11 | *------------------------------------------------------------------------- |
| 12 | */ |
| 13 | |
| 14 | /* contributed by: |
| 15 | =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*= |
| 16 | * Martin Utesch * Institute of Automatic Control * |
| 17 | = = University of Mining and Technology = |
| 18 | * utesch@aut.tu-freiberg.de * Freiberg, Germany * |
| 19 | =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*= |
| 20 | */ |
| 21 | |
| 22 | |
| 23 | #ifndef GEQO_GENE_H |
| 24 | #define GEQO_GENE_H |
| 25 | |
| 26 | #include "nodes/nodes.h" |
| 27 | |
| 28 | /* we presume that int instead of Relid |
| 29 | is o.k. for Gene; so don't change it! */ |
| 30 | typedef int Gene; |
| 31 | |
| 32 | typedef struct Chromosome |
| 33 | { |
| 34 | Gene *string; |
| 35 | Cost worth; |
| 36 | } Chromosome; |
| 37 | |
| 38 | typedef struct Pool |
| 39 | { |
| 40 | Chromosome *data; |
| 41 | int size; |
| 42 | int string_length; |
| 43 | } Pool; |
| 44 | |
| 45 | #endif /* GEQO_GENE_H */ |
| 46 | |