postgresql/src/include/catalog/pg_enum.h

71 lines
1.8 KiB
C

/*-------------------------------------------------------------------------
*
* pg_enum.h
* definition of the system "enum" relation (pg_enum)
* along with the relation's initial contents.
*
*
* Copyright (c) 2006-2011, PostgreSQL Global Development Group
*
* src/include/catalog/pg_enum.h
*
* NOTES
* the genbki.pl script reads this file and generates .bki
* information from the DATA() statements.
*
* XXX do NOT break up DATA() statements into multiple lines!
* the scripts are not as smart as you might think...
*
*-------------------------------------------------------------------------
*/
#ifndef PG_ENUM_H
#define PG_ENUM_H
#include "catalog/genbki.h"
#include "nodes/pg_list.h"
/* ----------------
* pg_enum definition. cpp turns this into
* typedef struct FormData_pg_enum
* ----------------
*/
#define EnumRelationId 3501
CATALOG(pg_enum,3501)
{
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;
/* ----------------
* compiler constants for pg_enum
* ----------------
*/
#define Natts_pg_enum 3
#define Anum_pg_enum_enumtypid 1
#define Anum_pg_enum_enumsortorder 2
#define Anum_pg_enum_enumlabel 3
/* ----------------
* pg_enum has no initial contents
* ----------------
*/
/*
* 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);
#endif /* PG_ENUM_H */