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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 13:44:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 13:44:03 +0000
commit293913568e6a7a86fd1479e1cff8e2ecb58d6568 (patch)
treefc3b469a3ec5ab71b36ea97cc7aaddb838423a0c /src/include/optimizer/geqo_gene.h
parentInitial commit. (diff)
downloadpostgresql-16-293913568e6a7a86fd1479e1cff8e2ecb58d6568.tar.xz
postgresql-16-293913568e6a7a86fd1479e1cff8e2ecb58d6568.zip
Adding upstream version 16.2.upstream/16.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/include/optimizer/geqo_gene.h')
-rw-r--r--src/include/optimizer/geqo_gene.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/include/optimizer/geqo_gene.h b/src/include/optimizer/geqo_gene.h
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+/*-------------------------------------------------------------------------
+ *
+ * geqo_gene.h
+ * genome representation in optimizer/geqo
+ *
+ * Portions Copyright (c) 1996-2023, 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 */