/*------------------------------------------------------------------------- * * 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 */