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124 lines
4.6 KiB
C
124 lines
4.6 KiB
C
/*-------------------------------------------------------------------------
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*
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* indexing.h
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* This include provides some definitions to support indexing
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* on system catalogs
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*
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: indexing.h,v 1.23 1999/07/20 17:14:07 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef INDEXING_H
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#define INDEXING_H
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#include "access/htup.h"
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/*
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* Some definitions for indices on pg_attribute
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*/
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#define Num_pg_attr_indices 3
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#define Num_pg_proc_indices 3
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#define Num_pg_type_indices 2
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#define Num_pg_class_indices 2
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#define Num_pg_attrdef_indices 1
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#define Num_pg_relcheck_indices 1
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#define Num_pg_trigger_indices 1
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#define Num_pg_description_indices 1
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/*
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* Names of indices on system catalogs
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*/
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#define AttributeNameIndex "pg_attribute_relid_attnam_index"
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#define AttributeNumIndex "pg_attribute_relid_attnum_index"
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#define AttributeRelidIndex "pg_attribute_attrelid_index"
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#define ProcedureOidIndex "pg_proc_oid_index"
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#define ProcedureNameIndex "pg_proc_proname_narg_type_index"
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#define ProcedureSrcIndex "pg_proc_prosrc_index"
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#define TypeOidIndex "pg_type_oid_index"
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#define TypeNameIndex "pg_type_typname_index"
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#define ClassOidIndex "pg_class_oid_index"
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#define ClassNameIndex "pg_class_relname_index"
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#define AttrDefaultIndex "pg_attrdef_adrelid_index"
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#define RelCheckIndex "pg_relcheck_rcrelid_index"
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#define TriggerRelidIndex "pg_trigger_tgrelid_index"
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#define DescriptionObjIndex "pg_description_objoid_index"
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extern char *Name_pg_attr_indices[];
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extern char *Name_pg_proc_indices[];
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extern char *Name_pg_type_indices[];
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extern char *Name_pg_class_indices[];
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extern char *Name_pg_attrdef_indices[];
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extern char *Name_pg_relcheck_indices[];
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extern char *Name_pg_trigger_indices[];
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extern char *Name_pg_description_indices[];
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extern char *IndexedCatalogNames[];
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/*
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* indexing.c prototypes
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*
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* Functions for each index to perform the necessary scan on a cache miss.
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*/
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extern void CatalogOpenIndices(int nIndices, char **names, Relation *idescs);
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extern void CatalogCloseIndices(int nIndices, Relation *idescs);
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extern void CatalogIndexInsert(Relation *idescs,
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int nIndices,
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Relation heapRelation,
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HeapTuple heapTuple);
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extern bool CatalogHasIndex(char *catName, Oid catId);
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extern HeapTuple AttributeNameIndexScan(Relation heapRelation,
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Oid relid,
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char *attname);
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extern HeapTuple AttributeNumIndexScan(Relation heapRelation,
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Oid relid,
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AttrNumber attnum);
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extern HeapTuple ProcedureOidIndexScan(Relation heapRelation, Oid procId);
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extern HeapTuple ProcedureNameIndexScan(Relation heapRelation,
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char *procName, int2 nargs, Oid *argTypes);
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extern HeapTuple ProcedureSrcIndexScan(Relation heapRelation, text *procSrc);
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extern HeapTuple TypeOidIndexScan(Relation heapRelation, Oid typeId);
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extern HeapTuple TypeNameIndexScan(Relation heapRelation, char *typeName);
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extern HeapTuple ClassNameIndexScan(Relation heapRelation, char *relName);
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extern HeapTuple ClassOidIndexScan(Relation heapRelation, Oid relId);
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/*
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* What follows are lines processed by genbki.sh to create the statements
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* the bootstrap parser will turn into DefineIndex commands.
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*
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* The keyword is DECLARE_INDEX every thing after that is just like in a
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* normal specification of the 'define index' POSTQUEL command.
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*/
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DECLARE_INDEX(pg_attribute_relid_attnam_index on pg_attribute using btree(attrelid oid_ops, attname name_ops));
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DECLARE_INDEX(pg_attribute_relid_attnum_index on pg_attribute using btree(attrelid oid_ops, attnum int2_ops));
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DECLARE_INDEX(pg_attribute_attrelid_index on pg_attribute using btree(attrelid oid_ops));
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DECLARE_INDEX(pg_proc_oid_index on pg_proc using btree(oid oid_ops));
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DECLARE_INDEX(pg_proc_proname_narg_type_index on pg_proc using btree(proname name_ops, pronargs int2_ops, proargtypes oid8_ops));
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DECLARE_INDEX(pg_proc_prosrc_index on pg_proc using btree(prosrc text_ops));
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DECLARE_INDEX(pg_type_oid_index on pg_type using btree(oid oid_ops));
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DECLARE_INDEX(pg_type_typname_index on pg_type using btree(typname name_ops));
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DECLARE_INDEX(pg_class_oid_index on pg_class using btree(oid oid_ops));
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DECLARE_INDEX(pg_class_relname_index on pg_class using btree(relname name_ops));
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DECLARE_INDEX(pg_attrdef_adrelid_index on pg_attrdef using btree(adrelid oid_ops));
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DECLARE_INDEX(pg_relcheck_rcrelid_index on pg_relcheck using btree(rcrelid oid_ops));
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DECLARE_INDEX(pg_trigger_tgrelid_index on pg_trigger using btree(tgrelid oid_ops));
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DECLARE_INDEX(pg_description_objoid_index on pg_description using btree(objoid oid_ops));
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/* now build indices in the initialization scripts */
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BUILD_INDICES
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#endif /* INDEXING_H */
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