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ec498cdcbb
systable_endscan_ordered that have API similar to systable_beginscan etc (in particular, the passed-in scankeys have heap not index attnums), but guarantee ordered output, unlike the existing functions. For the moment these are just very thin wrappers around index_beginscan/index_getnext/etc. Someday they might need to get smarter; but for now this is just a code refactoring exercise to reduce the number of direct callers of index_getnext, in preparation for changing that function's API. In passing, remove index_getnext_indexitem, which has been dead code for quite some time, and will have even less use than that in the presence of run-time-lossy indexes.
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/*-------------------------------------------------------------------------
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*
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* catalog.h
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* prototypes for functions in backend/catalog/catalog.c
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*
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*
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* Portions Copyright (c) 1996-2008, 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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* $PostgreSQL: pgsql/src/include/catalog/catalog.h,v 1.39 2008/04/12 23:14:21 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef CATALOG_H
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#define CATALOG_H
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#include "utils/rel.h"
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extern char *relpath(RelFileNode rnode);
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extern char *GetDatabasePath(Oid dbNode, Oid spcNode);
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extern bool IsSystemRelation(Relation relation);
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extern bool IsToastRelation(Relation relation);
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extern bool IsSystemClass(Form_pg_class reltuple);
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extern bool IsToastClass(Form_pg_class reltuple);
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extern bool IsSystemNamespace(Oid namespaceId);
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extern bool IsToastNamespace(Oid namespaceId);
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extern bool IsReservedName(const char *name);
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extern bool IsSharedRelation(Oid relationId);
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extern Oid GetNewOid(Relation relation);
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extern Oid GetNewOidWithIndex(Relation relation, Oid indexId,
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AttrNumber oidcolumn);
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extern Oid GetNewRelFileNode(Oid reltablespace, bool relisshared,
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Relation pg_class);
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#endif /* CATALOG_H */
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