68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*-------------------------------------------------------------------------
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*
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* pg_inherits.h
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* definition of the "inherits" system catalog (pg_inherits)
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*
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*
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* Portions Copyright (c) 1996-2024, 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/pg_inherits.h
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*
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* NOTES
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* The Catalog.pm module reads this file and derives schema
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* information.
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef PG_INHERITS_H
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#define PG_INHERITS_H
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#include "catalog/genbki.h"
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#include "catalog/pg_inherits_d.h"
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#include "nodes/pg_list.h"
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#include "storage/lock.h"
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/* ----------------
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* pg_inherits definition. cpp turns this into
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* typedef struct FormData_pg_inherits
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* ----------------
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*/
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CATALOG(pg_inherits,2611,InheritsRelationId)
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{
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Oid inhrelid BKI_LOOKUP(pg_class);
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Oid inhparent BKI_LOOKUP(pg_class);
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int32 inhseqno;
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bool inhdetachpending;
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} FormData_pg_inherits;
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/* ----------------
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* Form_pg_inherits corresponds to a pointer to a tuple with
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* the format of pg_inherits relation.
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* ----------------
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*/
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typedef FormData_pg_inherits *Form_pg_inherits;
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DECLARE_UNIQUE_INDEX_PKEY(pg_inherits_relid_seqno_index, 2680, InheritsRelidSeqnoIndexId, pg_inherits, btree(inhrelid oid_ops, inhseqno int4_ops));
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DECLARE_INDEX(pg_inherits_parent_index, 2187, InheritsParentIndexId, pg_inherits, btree(inhparent oid_ops));
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extern List *find_inheritance_children(Oid parentrelId, LOCKMODE lockmode);
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extern List *find_inheritance_children_extended(Oid parentrelId, bool omit_detached,
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LOCKMODE lockmode, bool *detached_exist, TransactionId *detached_xmin);
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extern List *find_all_inheritors(Oid parentrelId, LOCKMODE lockmode,
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List **numparents);
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extern bool has_subclass(Oid relationId);
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extern bool has_superclass(Oid relationId);
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extern bool typeInheritsFrom(Oid subclassTypeId, Oid superclassTypeId);
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extern void StoreSingleInheritance(Oid relationId, Oid parentOid,
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int32 seqNumber);
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extern bool DeleteInheritsTuple(Oid inhrelid, Oid inhparent,
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bool expect_detach_pending,
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const char *childname);
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extern bool PartitionHasPendingDetach(Oid partoid);
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#endif /* PG_INHERITS_H */
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