1 files changed, 45 insertions, 0 deletions
diff --git a/src/include/optimizer/geqo_gene.h b/src/include/optimizer/geqo_gene.h
new file mode 100644
index 0000000..9d3a94f
--- /dev/null
+++ b/src/include/optimizer/geqo_gene.h
@@ -0,0 +1,45 @@
+/*-------------------------------------------------------------------------
+ *
+ * geqo_gene.h
+ *	  genome representation in optimizer/geqo
+ *
+ * Portions Copyright (c) 1996-2020, 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 */