init

db_include/catalog/pg_enum.h

@@ -0,0 +1,69 @@
+/*-------------------------------------------------------------------------
+ *
+ * pg_enum.h
+ *	  definition of the "enum" system catalog (pg_enum)
+ *
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/catalog/pg_enum.h
+ *
+ * NOTES
+ *	  The Catalog.pm module reads this file and derives schema
+ *	  information.
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PG_ENUM_H
+#define PG_ENUM_H
+
+#include "catalog/genbki.h"
+#include "catalog/pg_enum_d.h"
+
+#include "nodes/pg_list.h"
+
+/* ----------------
+ *		pg_enum definition.  cpp turns this into
+ *		typedef struct FormData_pg_enum
+ * ----------------
+ */
+CATALOG(pg_enum,3501,EnumRelationId)
+{
+	Oid			oid;			/* oid */
+	Oid			enumtypid BKI_LOOKUP(pg_type);	/* OID of owning enum type */
+	float4		enumsortorder;	/* sort position of this enum value */
+	NameData	enumlabel;		/* text representation of enum value */
+} FormData_pg_enum;
+
+/* ----------------
+ *		Form_pg_enum corresponds to a pointer to a tuple with
+ *		the format of pg_enum relation.
+ * ----------------
+ */
+typedef FormData_pg_enum *Form_pg_enum;
+
+DECLARE_UNIQUE_INDEX_PKEY(pg_enum_oid_index, 3502, on pg_enum using btree(oid oid_ops));
+#define EnumOidIndexId	3502
+DECLARE_UNIQUE_INDEX(pg_enum_typid_label_index, 3503, on pg_enum using btree(enumtypid oid_ops, enumlabel name_ops));
+#define EnumTypIdLabelIndexId 3503
+DECLARE_UNIQUE_INDEX(pg_enum_typid_sortorder_index, 3534, on pg_enum using btree(enumtypid oid_ops, enumsortorder float4_ops));
+#define EnumTypIdSortOrderIndexId 3534
+
+/*
+ * prototypes for functions in pg_enum.c
+ */
+extern void EnumValuesCreate(Oid enumTypeOid, List *vals);
+extern void EnumValuesDelete(Oid enumTypeOid);
+extern void AddEnumLabel(Oid enumTypeOid, const char *newVal,
+						 const char *neighbor, bool newValIsAfter,
+						 bool skipIfExists);
+extern void RenameEnumLabel(Oid enumTypeOid,
+							const char *oldVal, const char *newVal);
+extern bool EnumUncommitted(Oid enum_id);
+extern Size EstimateUncommittedEnumsSpace(void);
+extern void SerializeUncommittedEnums(void *space, Size size);
+extern void RestoreUncommittedEnums(void *space);
+extern void AtEOXact_Enum(void);
+
+#endif							/* PG_ENUM_H */