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

   1 /*-------------------------------------------------------------------------
   2  *
   3  * indexing.h
   4  *        This include provides some definitions to support indexing
   5  *        on system catalogs
   6  *
   7  *
   8  * Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $Id: indexing.h,v 1.35 2000/01/24 03:08:27 momjian Exp $
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef INDEXING_H
  15 #define INDEXING_H
  16
  17 #include "access/htup.h"
  18
  19 /*
  20  * Some definitions for indices on pg_attribute
  21  */
  22 #define Num_pg_aggregate_indices        1
  23 #define Num_pg_am_indices                       1
  24 #define Num_pg_amop_indices                     2
  25 #define Num_pg_attr_indices                     2
  26 #define Num_pg_attrdef_indices          1
  27 #define Num_pg_class_indices            2
  28 #define Num_pg_description_indices      1
  29 #define Num_pg_group_indices            2
  30 #define Num_pg_index_indices            1
  31 #define Num_pg_inherits_indices         1
  32 #define Num_pg_language_indices         2
  33 #define Num_pg_listener_indices         1
  34 #define Num_pg_opclass_indices          2
  35 #define Num_pg_operator_indices         2
  36 #define Num_pg_proc_indices                     2
  37 #define Num_pg_relcheck_indices         1
  38 #define Num_pg_rewrite_indices          2
  39 #define Num_pg_shadow_indices           2
  40 #define Num_pg_statistic_indices        1
  41 #define Num_pg_trigger_indices          3
  42 #define Num_pg_type_indices                     2
  43
  44
  45 /*
  46  * Names of indices on system catalogs
  47  */
  48 #define AccessMethodOpidIndex           "pg_amop_opid_index"
  49 #define AccessMethodStrategyIndex       "pg_amop_strategy_index"
  50 #define AggregateNameTypeIndex          "pg_aggregate_name_type_index"
  51 #define AmNameIndex                                     "pg_am_name_index"
  52 #define AttrDefaultIndex                        "pg_attrdef_adrelid_index"
  53 #define AttributeRelidNameIndex         "pg_attribute_relid_attnam_index"
  54 #define AttributeRelidNumIndex          "pg_attribute_relid_attnum_index"
  55 #define ClassNameIndex                          "pg_class_relname_index"
  56 #define ClassOidIndex                           "pg_class_oid_index"
  57 #define DescriptionObjIndex                     "pg_description_objoid_index"
  58 #define GroupNameIndex                          "pg_group_name_index"
  59 #define GroupSysidIndex                         "pg_group_sysid_index"
  60 #define IndexRelidIndex                         "pg_index_indexrelid_index"
  61 #define InheritsRelidSeqnoIndex         "pg_inherits_relid_seqno_index"
  62 #define LanguageNameIndex                       "pg_language_name_index"
  63 #define LanguageOidIndex                        "pg_language_oid_index"
  64 #define ListenerRelnamePidIndex         "pg_listener_relname_pid_index"
  65 #define OpclassDeftypeIndex                     "pg_opclass_deftype_index"
  66 #define OpclassNameIndex                        "pg_opclass_name_index"
  67 #define OperatorNameIndex                       "pg_operator_oprname_l_r_k_index"
  68 #define OperatorOidIndex                        "pg_operator_oid_index"
  69 #define ProcedureNameIndex                      "pg_proc_proname_narg_type_index"
  70 #define ProcedureOidIndex                       "pg_proc_oid_index"
  71 #define RelCheckIndex                           "pg_relcheck_rcrelid_index"
  72 #define RewriteOidIndex                         "pg_rewrite_oid_index"
  73 #define RewriteRulenameIndex            "pg_rewrite_rulename_index"
  74 #define ShadowNameIndex                         "pg_shadow_name_index"
  75 #define ShadowSysidIndex                        "pg_shadow_sysid_index"
  76 #define StatisticRelidAttnumIndex       "pg_statistic_relid_att_index"
  77 #define TriggerConstrNameIndex          "pg_trigger_tgconstrname_index"
  78 #define TriggerConstrRelidIndex         "pg_trigger_tgconstrrelid_index"
  79 #define TriggerRelidIndex                       "pg_trigger_tgrelid_index"
  80 #define TypeNameIndex                           "pg_type_typname_index"
  81 #define TypeOidIndex                            "pg_type_oid_index"
  82
  83 extern char *Name_pg_aggregate_indices[];
  84 extern char *Name_pg_am_indices[];
  85 extern char *Name_pg_amop_indices[];
  86 extern char *Name_pg_attr_indices[];
  87 extern char *Name_pg_attrdef_indices[];
  88 extern char *Name_pg_class_indices[];
  89 extern char *Name_pg_description_indices[];
  90 extern char *Name_pg_group_indices[];
  91 extern char *Name_pg_index_indices[];
  92 extern char *Name_pg_inherits_indices[];
  93 extern char *Name_pg_language_indices[];
  94 extern char *Name_pg_listener_indices[];
  95 extern char *Name_pg_opclass_indices[];
  96 extern char *Name_pg_operator_indices[];
  97 extern char *Name_pg_proc_indices[];
  98 extern char *Name_pg_relcheck_indices[];
  99 extern char *Name_pg_rewrite_indices[];
 100 extern char *Name_pg_shadow_indices[];
 101 extern char *Name_pg_statistic_indices[];
 102 extern char *Name_pg_trigger_indices[];
 103 extern char *Name_pg_type_indices[];
 104
 105
 106 extern char *IndexedCatalogNames[];
 107
 108 /*
 109  * indexing.c prototypes
 110  *
 111  * Functions for each index to perform the necessary scan on a cache miss.
 112  */
 113 extern void CatalogOpenIndices(int nIndices, char **names, Relation *idescs);
 114 extern void CatalogCloseIndices(int nIndices, Relation *idescs);
 115 extern void CatalogIndexInsert(Relation *idescs,
 116                                         int nIndices,
 117                                         Relation heapRelation,
 118                                         HeapTuple heapTuple);
 119 extern bool CatalogHasIndex(char *catName, Oid catId);
 120
 121 extern HeapTuple AccessMethodOpidIndexScan(Relation heapRelation,
 122                                         Oid claid, Oid opopr, Oid opid);
 123 extern HeapTuple AccessMethodStrategyIndexScan(Relation heapRelation,
 124                                         Oid opid, Oid claid, int2 opstrategy);
 125 extern HeapTuple AggregateNameTypeIndexScan(Relation heapRelation,
 126                                         char *aggName, Oid aggType);
 127 extern HeapTuple AmNameIndexScan(Relation heapRelation, char *amName);
 128 extern HeapTuple AttributeRelidNameIndexScan(Relation heapRelation,
 129                                         Oid relid, char *attname);
 130 extern HeapTuple AttributeRelidNumIndexScan(Relation heapRelation,
 131                                         Oid relid, AttrNumber attnum);
 132 extern HeapTuple ClassNameIndexScan(Relation heapRelation, char *relName);
 133 extern HeapTuple ClassNameIndexScan(Relation heapRelation, char *relName);
 134 extern HeapTuple ClassOidIndexScan(Relation heapRelation, Oid relId);
 135 extern HeapTuple GroupNameIndexScan(Relation heapRelation, char *groName);
 136 extern HeapTuple GroupSysidIndexScan(Relation heapRelation, int4 sysId);
 137 extern HeapTuple IndexRelidIndexScan(Relation heapRelation, Oid relid);
 138 extern HeapTuple InheritsRelidSeqnoIndexScan(Relation heapRelation, Oid relid,
 139                                         int4 seqno);
 140 extern HeapTuple LanguageNameIndexScan(Relation heapRelation, char *lanName);
 141 extern HeapTuple LanguageOidIndexScan(Relation heapRelation, Oid lanId);
 142 extern HeapTuple ListenerRelnamePidIndexScan(Relation heapRelation, char *relName, int4 pid);
 143 extern HeapTuple OpclassDeftypeIndexScan(Relation heapRelation, Oid defType);
 144 extern HeapTuple OpclassNameIndexScan(Relation heapRelation, char *opcName);
 145 extern HeapTuple OperatorNameIndexScan(Relation heapRelation,
 146                                         char *oprName, Oid oprLeft, Oid oprRight, char oprKind);
 147 extern HeapTuple OperatorOidIndexScan(Relation heapRelation, Oid oprId);
 148 extern HeapTuple ProcedureNameIndexScan(Relation heapRelation,
 149                                         char *procName, int2 nargs, Oid *argTypes);
 150 extern HeapTuple ProcedureOidIndexScan(Relation heapRelation, Oid procId);
 151 extern HeapTuple RewriteOidIndexScan(Relation heapRelation, Oid rewriteId);
 152 extern HeapTuple RewriteRulenameIndexScan(Relation heapRelation,
 153                                         char *ruleName);
 154 extern HeapTuple ShadowNameIndexScan(Relation heapRelation, char *useName);
 155 extern HeapTuple ShadowSysidIndexScan(Relation heapRelation, int4 sysId);
 156 extern HeapTuple StatisticRelidAttnumIndexScan(Relation heapRelation,
 157                                  Oid relId, AttrNumber attNum);
 158 extern HeapTuple TypeNameIndexScan(Relation heapRelation, char *typeName);
 159 extern HeapTuple TypeOidIndexScan(Relation heapRelation, Oid typeId);
 160
 161
 162
 163
 164 /*
 165  * What follows are lines processed by genbki.sh to create the statements
 166  * the bootstrap parser will turn into DefineIndex commands.
 167  *
 168  * The keyword is DECLARE_INDEX every thing after that is just like in a
 169  * normal specification of the 'define index' POSTQUEL command.
 170  */
 171
 172 DECLARE_UNIQUE_INDEX(pg_aggregate_name_type_index on pg_aggregate using btree(aggname name_ops, aggbasetype oid_ops));
 173 DECLARE_UNIQUE_INDEX(pg_am_name_index on pg_am using btree(amname name_ops));
 174 DECLARE_UNIQUE_INDEX(pg_amop_opid_index on pg_amop using btree(amopclaid oid_ops, amopopr oid_ops, amopid oid_ops));
 175 DECLARE_UNIQUE_INDEX(pg_amop_strategy_index on pg_amop using btree(amopid oid_ops, amopclaid oid_ops, amopstrategy int2_ops));
 176 /* This following index is not used for a cache and is not unique */
 177 DECLARE_INDEX(pg_attrdef_adrelid_index on pg_attrdef using btree(adrelid oid_ops));
 178 DECLARE_UNIQUE_INDEX(pg_attribute_relid_attnam_index on pg_attribute using btree(attrelid oid_ops, attname name_ops));
 179 DECLARE_UNIQUE_INDEX(pg_attribute_relid_attnum_index on pg_attribute using btree(attrelid oid_ops, attnum int2_ops));
 180 DECLARE_UNIQUE_INDEX(pg_class_oid_index on pg_class using btree(oid oid_ops));
 181 DECLARE_UNIQUE_INDEX(pg_class_relname_index on pg_class using btree(relname name_ops));
 182 DECLARE_UNIQUE_INDEX(pg_description_objoid_index on pg_description using btree(objoid oid_ops));
 183 DECLARE_UNIQUE_INDEX(pg_group_name_index on pg_group using btree(groname name_ops));
 184 DECLARE_UNIQUE_INDEX(pg_group_sysid_index on pg_group using btree(grosysid int4_ops));
 185 DECLARE_UNIQUE_INDEX(pg_index_indexrelid_index on pg_index using btree(indexrelid oid_ops));
 186 DECLARE_UNIQUE_INDEX(pg_inherits_relid_seqno_index on pg_inherits using btree(inhrelid oid_ops, inhseqno int4_ops));
 187 DECLARE_UNIQUE_INDEX(pg_language_name_index on pg_language using btree(lanname name_ops));
 188 DECLARE_UNIQUE_INDEX(pg_language_oid_index on pg_language using btree(oid oid_ops));
 189 DECLARE_UNIQUE_INDEX(pg_listener_relname_pid_index on pg_listener using btree(relname name_ops, listenerpid int4_ops));
 190 /* This column needs to allow multiple zero entries, but is in the cache */
 191 DECLARE_INDEX(pg_opclass_deftype_index on pg_opclass using btree(opcdeftype oid_ops));
 192 DECLARE_UNIQUE_INDEX(pg_opclass_name_index on pg_opclass using btree(opcname name_ops));
 193 DECLARE_UNIQUE_INDEX(pg_operator_oid_index on pg_operator using btree(oid oid_ops));
 194 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));
 195 DECLARE_UNIQUE_INDEX(pg_proc_oid_index on pg_proc using btree(oid oid_ops));
 196 DECLARE_UNIQUE_INDEX(pg_proc_proname_narg_type_index on pg_proc using btree(proname name_ops, pronargs int2_ops, proargtypes oidvector_ops));
 197 /* This following index is not used for a cache and is not unique */
 198 DECLARE_INDEX(pg_relcheck_rcrelid_index on pg_relcheck using btree(rcrelid oid_ops));
 199 DECLARE_UNIQUE_INDEX(pg_rewrite_oid_index on pg_rewrite using btree(oid oid_ops));
 200 DECLARE_UNIQUE_INDEX(pg_rewrite_rulename_index on pg_rewrite using btree(rulename name_ops));
 201 /*
 202 xDECLARE_UNIQUE_INDEX(pg_shadow_name_index on pg_shadow using btree(usename name_ops));
 203 xDECLARE_UNIQUE_INDEX(pg_shadow_sysid_index on pg_shadow using btree(usesysid int4_ops));
 204 */
 205 DECLARE_INDEX(pg_statistic_relid_att_index on pg_statistic using btree(starelid oid_ops, staattnum int2_ops));
 206 DECLARE_INDEX(pg_trigger_tgconstrname_index on pg_trigger using btree(tgconstrname name_ops));
 207 DECLARE_INDEX(pg_trigger_tgconstrrelid_index on pg_trigger using btree(tgconstrrelid oid_ops));
 208 DECLARE_INDEX(pg_trigger_tgrelid_index on pg_trigger using btree(tgrelid oid_ops));
 209 DECLARE_UNIQUE_INDEX(pg_type_oid_index on pg_type using btree(oid oid_ops));
 210 DECLARE_UNIQUE_INDEX(pg_type_typname_index on pg_type using btree(typname name_ops));
 211
 212 /* now build indices in the initialization scripts */
 213 BUILD_INDICES
 214
 215 #endif   /* INDEXING_H */