granicus.if.org Git - postgresql/blob - src/include/catalog/indexing.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * indexing.h
   4  *        This file provides some definitions to support indexing
   5  *        on system catalogs
   6  *
   7  *
   8  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
   9  * Portions Copyright (c) 1994, Regents of the University of California
  10  *
  11  * $Id: indexing.h,v 1.47 2001/01/24 19:43:20 momjian Exp $
  12  *
  13  *-------------------------------------------------------------------------
  14  */
  15 #ifndef INDEXING_H
  16 #define INDEXING_H
  17
  18 #include "access/htup.h"
  19
  20 /*
  21  * Number of indices that exist for each system catalog
  22  */
  23 #define Num_pg_aggregate_indices        1
  24 #define Num_pg_am_indices                       1
  25 #define Num_pg_amop_indices                     2
  26 #define Num_pg_attr_indices                     2
  27 #define Num_pg_attrdef_indices          1
  28 #define Num_pg_class_indices            2
  29 #define Num_pg_description_indices      1
  30 #define Num_pg_group_indices            2
  31 #define Num_pg_index_indices            2
  32 #define Num_pg_inherits_indices         1
  33 #define Num_pg_language_indices         2
  34 #define Num_pg_largeobject_indices      1
  35 #define Num_pg_listener_indices         1
  36 #define Num_pg_opclass_indices          2
  37 #define Num_pg_operator_indices         2
  38 #define Num_pg_proc_indices                     2
  39 #define Num_pg_relcheck_indices         1
  40 #define Num_pg_rewrite_indices          2
  41 #define Num_pg_shadow_indices           2
  42 #define Num_pg_statistic_indices        1
  43 #define Num_pg_trigger_indices          3
  44 #define Num_pg_type_indices                     2
  45
  46 /*
  47  * Names of indices on system catalogs
  48  */
  49 #define AccessMethodOpidIndex           "pg_amop_opid_index"
  50 #define AccessMethodStrategyIndex       "pg_amop_strategy_index"
  51 #define AggregateNameTypeIndex          "pg_aggregate_name_type_index"
  52 #define AmNameIndex                                     "pg_am_name_index"
  53 #define AttrDefaultIndex                        "pg_attrdef_adrelid_index"
  54 #define AttributeRelidNameIndex         "pg_attribute_relid_attnam_index"
  55 #define AttributeRelidNumIndex          "pg_attribute_relid_attnum_index"
  56 #define ClassNameIndex                          "pg_class_relname_index"
  57 #define ClassOidIndex                           "pg_class_oid_index"
  58 #define DescriptionObjIndex                     "pg_description_objoid_index"
  59 #define GroupNameIndex                          "pg_group_name_index"
  60 #define GroupSysidIndex                         "pg_group_sysid_index"
  61 #define IndexIndrelidIndex                      "pg_index_indrelid_index"
  62 #define IndexRelidIndex                         "pg_index_indexrelid_index"
  63 #define InheritsRelidSeqnoIndex         "pg_inherits_relid_seqno_index"
  64 #define LanguageNameIndex                       "pg_language_name_index"
  65 #define LanguageOidIndex                        "pg_language_oid_index"
  66 #define LargeObjectLOidPNIndex          "pg_largeobject_loid_pn_index"
  67 #define ListenerPidRelnameIndex         "pg_listener_pid_relname_index"
  68 #define OpclassDeftypeIndex                     "pg_opclass_deftype_index"
  69 #define OpclassNameIndex                        "pg_opclass_name_index"
  70 #define OperatorNameIndex                       "pg_operator_oprname_l_r_k_index"
  71 #define OperatorOidIndex                        "pg_operator_oid_index"
  72 #define ProcedureNameIndex                      "pg_proc_proname_narg_type_index"
  73 #define ProcedureOidIndex                       "pg_proc_oid_index"
  74 #define RelCheckIndex                           "pg_relcheck_rcrelid_index"
  75 #define RewriteOidIndex                         "pg_rewrite_oid_index"
  76 #define RewriteRulenameIndex            "pg_rewrite_rulename_index"
  77 #define ShadowNameIndex                         "pg_shadow_name_index"
  78 #define ShadowSysidIndex                        "pg_shadow_sysid_index"
  79 #define StatisticRelidAttnumIndex       "pg_statistic_relid_att_index"
  80 #define TriggerConstrNameIndex          "pg_trigger_tgconstrname_index"
  81 #define TriggerConstrRelidIndex         "pg_trigger_tgconstrrelid_index"
  82 #define TriggerRelidIndex                       "pg_trigger_tgrelid_index"
  83 #define TypeNameIndex                           "pg_type_typname_index"
  84 #define TypeOidIndex                            "pg_type_oid_index"
  85
  86 extern char *Name_pg_aggregate_indices[];
  87 extern char *Name_pg_am_indices[];
  88 extern char *Name_pg_amop_indices[];
  89 extern char *Name_pg_attr_indices[];
  90 extern char *Name_pg_attrdef_indices[];
  91 extern char *Name_pg_class_indices[];
  92 extern char *Name_pg_description_indices[];
  93 extern char *Name_pg_group_indices[];
  94 extern char *Name_pg_index_indices[];
  95 extern char *Name_pg_inherits_indices[];
  96 extern char *Name_pg_language_indices[];
  97 extern char *Name_pg_largeobject_indices[];
  98 extern char *Name_pg_listener_indices[];
  99 extern char *Name_pg_opclass_indices[];
 100 extern char *Name_pg_operator_indices[];
 101 extern char *Name_pg_proc_indices[];
 102 extern char *Name_pg_relcheck_indices[];
 103 extern char *Name_pg_rewrite_indices[];
 104 extern char *Name_pg_shadow_indices[];
 105 extern char *Name_pg_statistic_indices[];
 106 extern char *Name_pg_trigger_indices[];
 107 extern char *Name_pg_type_indices[];
 108
 109
 110 extern char *IndexedCatalogNames[];
 111
 112 /*
 113  * indexing.c prototypes
 114  */
 115 extern void CatalogOpenIndices(int nIndices, char **names, Relation *idescs);
 116 extern void CatalogCloseIndices(int nIndices, Relation *idescs);
 117 extern void CatalogIndexInsert(Relation *idescs, int nIndices,
 118                                                            Relation heapRelation, HeapTuple heapTuple);
 119
 120 /*
 121  * Canned functions for indexscans on certain system indexes.
 122  * All index-value arguments should be passed as Datum for portability!
 123  */
 124 extern HeapTuple AttributeRelidNumIndexScan(Relation heapRelation,
 125                                                                                         Datum relid, Datum attnum);
 126 extern HeapTuple ClassNameIndexScan(Relation heapRelation, Datum relName);
 127 extern HeapTuple ClassOidIndexScan(Relation heapRelation, Datum relId);
 128
 129
 130 /*
 131  * What follows are lines processed by genbki.sh to create the statements
 132  * the bootstrap parser will turn into DefineIndex commands.
 133  *
 134  * The keyword is DECLARE_INDEX every thing after that is just like in a
 135  * normal specification of the 'define index' POSTQUEL command.
 136  */
 137
 138 DECLARE_UNIQUE_INDEX(pg_aggregate_name_type_index on pg_aggregate using btree(aggname name_ops, aggbasetype oid_ops));
 139 DECLARE_UNIQUE_INDEX(pg_am_name_index on pg_am using btree(amname name_ops));
 140 DECLARE_UNIQUE_INDEX(pg_amop_opid_index on pg_amop using btree(amopclaid oid_ops, amopopr oid_ops, amopid oid_ops));
 141 DECLARE_UNIQUE_INDEX(pg_amop_strategy_index on pg_amop using btree(amopid oid_ops, amopclaid oid_ops, amopstrategy int2_ops));
 142 /* This following index is not used for a cache and is not unique */
 143 DECLARE_INDEX(pg_attrdef_adrelid_index on pg_attrdef using btree(adrelid oid_ops));
 144 DECLARE_UNIQUE_INDEX(pg_attribute_relid_attnam_index on pg_attribute using btree(attrelid oid_ops, attname name_ops));
 145 DECLARE_UNIQUE_INDEX(pg_attribute_relid_attnum_index on pg_attribute using btree(attrelid oid_ops, attnum int2_ops));
 146 DECLARE_UNIQUE_INDEX(pg_class_oid_index on pg_class using btree(oid oid_ops));
 147 DECLARE_UNIQUE_INDEX(pg_class_relname_index on pg_class using btree(relname name_ops));
 148 DECLARE_UNIQUE_INDEX(pg_description_objoid_index on pg_description using btree(objoid oid_ops));
 149 DECLARE_UNIQUE_INDEX(pg_group_name_index on pg_group using btree(groname name_ops));
 150 DECLARE_UNIQUE_INDEX(pg_group_sysid_index on pg_group using btree(grosysid int4_ops));
 151 /* This following index is not used for a cache and is not unique */
 152 DECLARE_INDEX(pg_index_indrelid_index on pg_index using btree(indrelid oid_ops));
 153 DECLARE_UNIQUE_INDEX(pg_index_indexrelid_index on pg_index using btree(indexrelid oid_ops));
 154 DECLARE_UNIQUE_INDEX(pg_inherits_relid_seqno_index on pg_inherits using btree(inhrelid oid_ops, inhseqno int4_ops));
 155 DECLARE_UNIQUE_INDEX(pg_language_name_index on pg_language using btree(lanname name_ops));
 156 DECLARE_UNIQUE_INDEX(pg_language_oid_index on pg_language using btree(oid oid_ops));
 157 DECLARE_UNIQUE_INDEX(pg_largeobject_loid_pn_index on pg_largeobject using btree(loid oid_ops, pageno int4_ops));
 158 DECLARE_UNIQUE_INDEX(pg_listener_pid_relname_index on pg_listener using btree(listenerpid int4_ops, relname name_ops));
 159 /* This column needs to allow multiple zero entries, but is in the cache */
 160 DECLARE_INDEX(pg_opclass_deftype_index on pg_opclass using btree(opcdeftype oid_ops));
 161 DECLARE_UNIQUE_INDEX(pg_opclass_name_index on pg_opclass using btree(opcname name_ops));
 162 DECLARE_UNIQUE_INDEX(pg_operator_oid_index on pg_operator using btree(oid oid_ops));
 163 DECLARE_UNIQUE_INDEX(pg_operator_oprname_l_r_k_index on pg_operator using btree(oprname name_ops, oprleft oid_ops, oprright oid_ops, oprkind char_ops));
 164 DECLARE_UNIQUE_INDEX(pg_proc_oid_index on pg_proc using btree(oid oid_ops));
 165 DECLARE_UNIQUE_INDEX(pg_proc_proname_narg_type_index on pg_proc using btree(proname name_ops, pronargs int2_ops, proargtypes oidvector_ops));
 166 /* This following index is not used for a cache and is not unique */
 167 DECLARE_INDEX(pg_relcheck_rcrelid_index on pg_relcheck using btree(rcrelid oid_ops));
 168 DECLARE_UNIQUE_INDEX(pg_rewrite_oid_index on pg_rewrite using btree(oid oid_ops));
 169 DECLARE_UNIQUE_INDEX(pg_rewrite_rulename_index on pg_rewrite using btree(rulename name_ops));
 170 /*
 171 xDECLARE_UNIQUE_INDEX(pg_shadow_name_index on pg_shadow using btree(usename name_ops));
 172 xDECLARE_UNIQUE_INDEX(pg_shadow_sysid_index on pg_shadow using btree(usesysid int4_ops));
 173 */
 174 DECLARE_INDEX(pg_statistic_relid_att_index on pg_statistic using btree(starelid oid_ops, staattnum int2_ops));
 175 DECLARE_INDEX(pg_trigger_tgconstrname_index on pg_trigger using btree(tgconstrname name_ops));
 176 DECLARE_INDEX(pg_trigger_tgconstrrelid_index on pg_trigger using btree(tgconstrrelid oid_ops));
 177 DECLARE_INDEX(pg_trigger_tgrelid_index on pg_trigger using btree(tgrelid oid_ops));
 178 DECLARE_UNIQUE_INDEX(pg_type_oid_index on pg_type using btree(oid oid_ops));
 179 DECLARE_UNIQUE_INDEX(pg_type_typname_index on pg_type using btree(typname name_ops));
 180
 181 /* now build indices in the initialization scripts */
 182 BUILD_INDICES
 183
 184 #endif   /* INDEXING_H */