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Diffstat (limited to 'src/backend/catalog/indexing.c')
| -rw-r--r-- | src/backend/catalog/indexing.c | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/src/backend/catalog/indexing.c b/src/backend/catalog/indexing.c deleted file mode 100644 index 4f8ee1d3979..00000000000 --- a/src/backend/catalog/indexing.c +++ /dev/null @@ -1,169 +0,0 @@ -/*------------------------------------------------------------------------- - * - * indexing.c - * This file contains routines to support indices defined on system - * catalogs. - * - * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group - * Portions Copyright (c) 1994, Regents of the University of California - * - * - * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/catalog/indexing.c,v 1.94 2002/06/20 20:29:26 momjian Exp $ - * - *------------------------------------------------------------------------- - */ - -#include "postgres.h" - -#include "access/genam.h" -#include "access/heapam.h" -#include "catalog/catalog.h" -#include "catalog/catname.h" -#include "catalog/index.h" -#include "catalog/indexing.h" -#include "catalog/pg_index.h" -#include "miscadmin.h" -#include "utils/fmgroids.h" -#include "utils/syscache.h" - -/* - * Names of indices for each system catalog. - */ - -char *Name_pg_aggregate_indices[Num_pg_aggregate_indices] = -{AggregateFnoidIndex}; -char *Name_pg_am_indices[Num_pg_am_indices] = -{AmNameIndex, AmOidIndex}; -char *Name_pg_amop_indices[Num_pg_amop_indices] = -{AccessMethodOperatorIndex, AccessMethodStrategyIndex}; -char *Name_pg_amproc_indices[Num_pg_amproc_indices] = -{AccessMethodProcedureIndex}; -char *Name_pg_attr_indices[Num_pg_attr_indices] = -{AttributeRelidNameIndex, AttributeRelidNumIndex}; -char *Name_pg_attrdef_indices[Num_pg_attrdef_indices] = -{AttrDefaultIndex}; -char *Name_pg_class_indices[Num_pg_class_indices] = -{ClassNameNspIndex, ClassOidIndex}; -char *Name_pg_database_indices[Num_pg_database_indices] = -{DatabaseNameIndex, DatabaseOidIndex}; -char *Name_pg_group_indices[Num_pg_group_indices] = -{GroupNameIndex, GroupSysidIndex}; -char *Name_pg_index_indices[Num_pg_index_indices] = -{IndexRelidIndex, IndexIndrelidIndex}; -char *Name_pg_inherits_indices[Num_pg_inherits_indices] = -{InheritsRelidSeqnoIndex}; -char *Name_pg_language_indices[Num_pg_language_indices] = -{LanguageOidIndex, LanguageNameIndex}; -char *Name_pg_largeobject_indices[Num_pg_largeobject_indices] = -{LargeObjectLOidPNIndex}; -char *Name_pg_namespace_indices[Num_pg_namespace_indices] = -{NamespaceNameIndex, NamespaceOidIndex}; -char *Name_pg_opclass_indices[Num_pg_opclass_indices] = -{OpclassAmNameNspIndex, OpclassOidIndex}; -char *Name_pg_operator_indices[Num_pg_operator_indices] = -{OperatorOidIndex, OperatorNameNspIndex}; -char *Name_pg_proc_indices[Num_pg_proc_indices] = -{ProcedureOidIndex, ProcedureNameNspIndex}; -char *Name_pg_relcheck_indices[Num_pg_relcheck_indices] = -{RelCheckIndex}; -char *Name_pg_rewrite_indices[Num_pg_rewrite_indices] = -{RewriteOidIndex, RewriteRelRulenameIndex}; -char *Name_pg_shadow_indices[Num_pg_shadow_indices] = -{ShadowNameIndex, ShadowSysidIndex}; -char *Name_pg_statistic_indices[Num_pg_statistic_indices] = -{StatisticRelidAttnumIndex}; -char *Name_pg_trigger_indices[Num_pg_trigger_indices] = -{TriggerRelidNameIndex, TriggerConstrNameIndex, TriggerConstrRelidIndex, TriggerOidIndex}; -char *Name_pg_type_indices[Num_pg_type_indices] = -{TypeNameNspIndex, TypeOidIndex}; -char *Name_pg_description_indices[Num_pg_description_indices] = -{DescriptionObjIndex}; - - - -/* - * Changes (appends) to catalogs can and do happen at various places - * throughout the code. We need a generic routine that will open all of - * the indices defined on a given catalog and return the relation descriptors - * associated with them. - */ -void -CatalogOpenIndices(int nIndices, char **names, Relation *idescs) -{ - int i; - - if (IsIgnoringSystemIndexes()) - return; - for (i = 0; i < nIndices; i++) - idescs[i] = index_openr(names[i]); -} - -/* - * This is the inverse routine to CatalogOpenIndices() - */ -void -CatalogCloseIndices(int nIndices, Relation *idescs) -{ - int i; - - if (IsIgnoringSystemIndexes()) - return; - for (i = 0; i < nIndices; i++) - index_close(idescs[i]); -} - - -/* - * For the same reasons outlined above for CatalogOpenIndices(), we need a - * routine that takes a new catalog tuple and inserts an associated index - * tuple into each catalog index. - * - * NOTE: since this routine looks up all the pg_index data on each call, - * it's relatively inefficient for inserting a large number of tuples into - * the same catalog. We use it only for inserting one or a few tuples - * in a given command. See ExecOpenIndices() and related routines if you - * are inserting tuples in bulk. - * - * NOTE: we do not bother to handle partial indices. Nor do we try to - * be efficient for functional indices (the code should work for them, - * but may leak memory intraquery). This should be OK for system catalogs, - * but don't use this routine for user tables! - */ -void -CatalogIndexInsert(Relation *idescs, - int nIndices, - Relation heapRelation, - HeapTuple heapTuple) -{ - TupleDesc heapDescriptor; - Datum datum[INDEX_MAX_KEYS]; - char nullv[INDEX_MAX_KEYS]; - int i; - - if (IsIgnoringSystemIndexes() || (!heapRelation->rd_rel->relhasindex)) - return; - heapDescriptor = RelationGetDescr(heapRelation); - - for (i = 0; i < nIndices; i++) - { - IndexInfo *indexInfo; - InsertIndexResult indexRes; - - indexInfo = BuildIndexInfo(idescs[i]->rd_index); - - FormIndexDatum(indexInfo, - heapTuple, - heapDescriptor, - CurrentMemoryContext, - datum, - nullv); - - indexRes = index_insert(idescs[i], datum, nullv, - &heapTuple->t_self, heapRelation, - idescs[i]->rd_uniqueindex); - if (indexRes) - pfree(indexRes); - pfree(indexInfo); - } -} |