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This makes them enforceable only on the parent table, not on children tables. This is useful in various situations, per discussion involving people bitten by the restrictive behavior introduced in 8.4. Message-Id: 8762mp93iw.fsf@comcast.net CAFaPBrSMMpubkGf4zcRL_YL-AERUbYF_-ZNNYfb3CVwwEqc9TQ@mail.gmail.com Authors: Nikhil Sontakke, Alex Hunsaker Reviewed by Robert Haas and myself
129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
/*-------------------------------------------------------------------------
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*
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* heap.h
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* prototypes for functions in backend/catalog/heap.c
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*
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*
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* Portions Copyright (c) 1996-2011, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/catalog/heap.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef HEAP_H
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#define HEAP_H
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#include "parser/parse_node.h"
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#include "catalog/indexing.h"
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typedef struct RawColumnDefault
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{
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AttrNumber attnum; /* attribute to attach default to */
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Node *raw_default; /* default value (untransformed parse tree) */
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} RawColumnDefault;
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typedef struct CookedConstraint
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{
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ConstrType contype; /* CONSTR_DEFAULT or CONSTR_CHECK */
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char *name; /* name, or NULL if none */
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AttrNumber attnum; /* which attr (only for DEFAULT) */
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Node *expr; /* transformed default or check expr */
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bool skip_validation; /* skip validation? (only for CHECK) */
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bool is_local; /* constraint has local (non-inherited) def */
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int inhcount; /* number of times constraint is inherited */
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bool is_only; /* constraint has local def and cannot be inherited */
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} CookedConstraint;
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extern Relation heap_create(const char *relname,
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Oid relnamespace,
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Oid reltablespace,
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Oid relid,
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Oid relfilenode,
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TupleDesc tupDesc,
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char relkind,
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char relpersistence,
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bool shared_relation,
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bool mapped_relation,
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bool allow_system_table_mods);
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extern Oid heap_create_with_catalog(const char *relname,
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Oid relnamespace,
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Oid reltablespace,
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Oid relid,
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Oid reltypeid,
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Oid reloftypeid,
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Oid ownerid,
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TupleDesc tupdesc,
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List *cooked_constraints,
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char relkind,
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char relpersistence,
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bool shared_relation,
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bool mapped_relation,
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bool oidislocal,
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int oidinhcount,
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OnCommitAction oncommit,
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Datum reloptions,
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bool use_user_acl,
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bool allow_system_table_mods);
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extern void heap_drop_with_catalog(Oid relid);
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extern void heap_truncate(List *relids);
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extern void heap_truncate_one_rel(Relation rel);
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extern void heap_truncate_check_FKs(List *relations, bool tempTables);
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extern List *heap_truncate_find_FKs(List *relationIds);
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extern void InsertPgAttributeTuple(Relation pg_attribute_rel,
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Form_pg_attribute new_attribute,
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CatalogIndexState indstate);
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extern void InsertPgClassTuple(Relation pg_class_desc,
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Relation new_rel_desc,
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Oid new_rel_oid,
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Datum relacl,
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Datum reloptions);
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extern List *AddRelationNewConstraints(Relation rel,
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List *newColDefaults,
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List *newConstraints,
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bool allow_merge,
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bool is_local,
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bool is_only);
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extern void StoreAttrDefault(Relation rel, AttrNumber attnum, Node *expr);
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extern Node *cookDefault(ParseState *pstate,
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Node *raw_default,
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Oid atttypid,
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int32 atttypmod,
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char *attname);
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extern void DeleteRelationTuple(Oid relid);
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extern void DeleteAttributeTuples(Oid relid);
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extern void RemoveAttributeById(Oid relid, AttrNumber attnum);
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extern void RemoveAttrDefault(Oid relid, AttrNumber attnum,
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DropBehavior behavior, bool complain);
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extern void RemoveAttrDefaultById(Oid attrdefId);
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extern void RemoveStatistics(Oid relid, AttrNumber attnum);
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extern Form_pg_attribute SystemAttributeDefinition(AttrNumber attno,
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bool relhasoids);
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extern Form_pg_attribute SystemAttributeByName(const char *attname,
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bool relhasoids);
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extern void CheckAttributeNamesTypes(TupleDesc tupdesc, char relkind,
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bool allow_system_table_mods);
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extern void CheckAttributeType(const char *attname,
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Oid atttypid, Oid attcollation,
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List *containing_rowtypes,
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bool allow_system_table_mods);
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#endif /* HEAP_H */
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