postgresql/src/include/catalog/heap.h
Tom Lane 7bd631bfa4 Use the dependency mechanism to manage column defaults. We need this
so that dependencies in default expressions (on operators, functions,
etc) can be expressed properly.
2002-07-15 16:33:32 +00:00

77 lines
2.1 KiB
C

/*-------------------------------------------------------------------------
*
* heap.h
* prototypes for functions in backend/catalog/heap.c
*
*
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: heap.h,v 1.54 2002/07/15 16:33:31 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef HEAP_H
#define HEAP_H
#include "catalog/pg_attribute.h"
#include "nodes/parsenodes.h"
#include "parser/parse_node.h"
#include "utils/rel.h"
typedef struct RawColumnDefault
{
AttrNumber attnum; /* attribute to attach default to */
Node *raw_default; /* default value (untransformed parse
* tree) */
} RawColumnDefault;
extern Relation heap_create(const char *relname,
Oid relnamespace,
TupleDesc tupDesc,
bool shared_relation,
bool storage_create,
bool allow_system_table_mods);
extern void heap_storage_create(Relation rel);
extern Oid heap_create_with_catalog(const char *relname,
Oid relnamespace,
TupleDesc tupdesc,
char relkind,
bool shared_relation,
bool relhasoids,
bool allow_system_table_mods);
extern void heap_drop_with_catalog(Oid rid);
extern void heap_truncate(Oid rid);
extern void AddRelationRawConstraints(Relation rel,
List *rawColDefaults,
List *rawConstraints);
extern Node *cookDefault(ParseState *pstate,
Node *raw_default,
Oid atttypid,
int32 atttypmod,
char *attname);
extern int RemoveRelConstraints(Relation rel, const char *constrName,
DropBehavior behavior);
extern void DeleteRelationTuple(Oid relid);
extern void DeleteAttributeTuples(Oid relid);
extern void RemoveAttrDefault(Oid relid, AttrNumber attnum,
DropBehavior behavior, bool complain);
extern void RemoveAttrDefaultById(Oid attrdefId);
extern Form_pg_attribute SystemAttributeDefinition(AttrNumber attno,
bool relhasoids);
extern Form_pg_attribute SystemAttributeByName(const char *attname,
bool relhasoids);
#endif /* HEAP_H */