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/*-------------------------------------------------------------------------
*
* pg_constraint_fn.h
* prototypes for functions in catalog/pg_constraint.c
*
*
* Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/catalog/pg_constraint_fn.h
*
*-------------------------------------------------------------------------
*/
#ifndef PG_CONSTRAINT_FN_H
#define PG_CONSTRAINT_FN_H
#include "catalog/dependency.h"
#include "nodes/pg_list.h"
/*
* Identify constraint type for lookup purposes
*/
typedef enum ConstraintCategory
{
CONSTRAINT_RELATION,
CONSTRAINT_DOMAIN,
CONSTRAINT_ASSERTION /* for future expansion */
} ConstraintCategory;
extern Oid CreateConstraintEntry(const char *constraintName,
Oid constraintNamespace,
char constraintType,
bool isDeferrable,
bool isDeferred,
bool isValidated,
Oid relId,
const int16 *constraintKey,
int constraintNKeys,
Oid domainId,
Oid indexRelId,
Oid foreignRelId,
const int16 *foreignKey,
const Oid *pfEqOp,
const Oid *ppEqOp,
const Oid *ffEqOp,
int foreignNKeys,
char foreignUpdateType,
char foreignDeleteType,
char foreignMatchType,
const Oid *exclOp,
Node *conExpr,
const char *conBin,
const char *conSrc,
bool conIsLocal,
int conInhCount,
bool conNoInherit,
bool is_internal);
extern void RemoveConstraintById(Oid conId);
extern void RenameConstraintById(Oid conId, const char *newname);
extern void SetValidatedConstraintById(Oid conId);
extern bool ConstraintNameIsUsed(ConstraintCategory conCat, Oid objId,
Oid objNamespace, const char *conname);
extern char *ChooseConstraintName(const char *name1, const char *name2,
const char *label, Oid namespaceid,
List *others);
extern void AlterConstraintNamespaces(Oid ownerId, Oid oldNspId,
Oid newNspId, bool isType, ObjectAddresses *objsMoved);
extern Oid get_relation_constraint_oid(Oid relid, const char *conname, bool missing_ok);
extern Bitmapset *get_relation_constraint_attnos(Oid relid, const char *conname,
bool missing_ok, Oid *constraintOid);
extern Oid get_domain_constraint_oid(Oid typid, const char *conname, bool missing_ok);
extern Bitmapset *get_primary_key_attnos(Oid relid, bool deferrableOk,
Oid *constraintOid);
extern bool check_functional_grouping(Oid relid,
Index varno, Index varlevelsup,
List *grouping_columns,
List **constraintDeps);
#endif /* PG_CONSTRAINT_FN_H */