1 files changed, 72 insertions, 0 deletions
diff --git a/src/include/catalog/pg_conversion.h b/src/include/catalog/pg_conversion.h
new file mode 100644
index 0000000..0e7f13e
--- /dev/null
+++ b/src/include/catalog/pg_conversion.h
@@ -0,0 +1,72 @@
+/*-------------------------------------------------------------------------
+ *
+ * pg_conversion.h
+ *	  definition of the "conversion" system catalog (pg_conversion)
+ *
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/catalog/pg_conversion.h
+ *
+ * NOTES
+ *	  The Catalog.pm module reads this file and derives schema
+ *	  information.
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PG_CONVERSION_H
+#define PG_CONVERSION_H
+
+#include "catalog/genbki.h"
+#include "catalog/objectaddress.h"
+#include "catalog/pg_conversion_d.h"
+
+/* ----------------
+ *		pg_conversion definition.  cpp turns this into
+ *		typedef struct FormData_pg_conversion
+ * ----------------
+ */
+CATALOG(pg_conversion,2607,ConversionRelationId)
+{
+	/* oid */
+	Oid			oid;
+
+	/* name of the conversion */
+	NameData	conname;
+
+	/* namespace that the conversion belongs to */
+	Oid			connamespace BKI_DEFAULT(PGNSP);
+
+	/* owner of the conversion */
+	Oid			conowner BKI_DEFAULT(PGUID);
+
+	/* FOR encoding id */
+	int32		conforencoding BKI_LOOKUP(encoding);
+
+	/* TO encoding id */
+	int32		contoencoding BKI_LOOKUP(encoding);
+
+	/* OID of the conversion proc */
+	regproc		conproc BKI_LOOKUP(pg_proc);
+
+	/* true if this is a default conversion */
+	bool		condefault BKI_DEFAULT(t);
+} FormData_pg_conversion;
+
+/* ----------------
+ *		Form_pg_conversion corresponds to a pointer to a tuple with
+ *		the format of pg_conversion relation.
+ * ----------------
+ */
+typedef FormData_pg_conversion *Form_pg_conversion;
+
+
+extern ObjectAddress ConversionCreate(const char *conname, Oid connamespace,
+									  Oid conowner,
+									  int32 conforencoding, int32 contoencoding,
+									  Oid conproc, bool def);
+extern void RemoveConversionById(Oid conversionOid);
+extern Oid	FindDefaultConversion(Oid connamespace, int32 for_encoding,
+								  int32 to_encoding);
+
+#endif							/* PG_CONVERSION_H */