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/*-------------------------------------------------------------------------
*
* pg_enum.h
* definition of the system "enum" relation (pg_enum)
*
*
* Copyright (c) 2006-2018, PostgreSQL Global Development Group
*
* 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 enumtypid; /* 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;
/*
* 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);
#endif /* PG_ENUM_H */
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