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 1.23 1999/07/20 17:14:07 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_attr_indices             3
  23 #define Num_pg_proc_indices             3
  24 #define Num_pg_type_indices             2
  25 #define Num_pg_class_indices    2
  26 #define Num_pg_attrdef_indices  1
  27 #define Num_pg_relcheck_indices 1
  28 #define Num_pg_trigger_indices  1
  29 #define Num_pg_description_indices      1
  30
  31
  32 /*
  33  * Names of indices on system catalogs
  34  */
  35 #define AttributeNameIndex "pg_attribute_relid_attnam_index"
  36 #define AttributeNumIndex  "pg_attribute_relid_attnum_index"
  37 #define AttributeRelidIndex "pg_attribute_attrelid_index"
  38 #define ProcedureOidIndex  "pg_proc_oid_index"
  39 #define ProcedureNameIndex "pg_proc_proname_narg_type_index"
  40 #define ProcedureSrcIndex  "pg_proc_prosrc_index"
  41 #define TypeOidIndex       "pg_type_oid_index"
  42 #define TypeNameIndex      "pg_type_typname_index"
  43 #define ClassOidIndex      "pg_class_oid_index"
  44 #define ClassNameIndex     "pg_class_relname_index"
  45 #define AttrDefaultIndex   "pg_attrdef_adrelid_index"
  46 #define RelCheckIndex      "pg_relcheck_rcrelid_index"
  47 #define TriggerRelidIndex  "pg_trigger_tgrelid_index"
  48 #define DescriptionObjIndex "pg_description_objoid_index"
  49
  50 extern char *Name_pg_attr_indices[];
  51 extern char *Name_pg_proc_indices[];
  52 extern char *Name_pg_type_indices[];
  53 extern char *Name_pg_class_indices[];
  54 extern char *Name_pg_attrdef_indices[];
  55 extern char *Name_pg_relcheck_indices[];
  56 extern char *Name_pg_trigger_indices[];
  57 extern char *Name_pg_description_indices[];
  58
  59 extern char *IndexedCatalogNames[];
  60
  61 /*
  62  * indexing.c prototypes
  63  *
  64  * Functions for each index to perform the necessary scan on a cache miss.
  65  */
  66 extern void CatalogOpenIndices(int nIndices, char **names, Relation *idescs);
  67 extern void CatalogCloseIndices(int nIndices, Relation *idescs);
  68 extern void CatalogIndexInsert(Relation *idescs,
  69                                    int nIndices,
  70                                    Relation heapRelation,
  71                                    HeapTuple heapTuple);
  72 extern bool CatalogHasIndex(char *catName, Oid catId);
  73
  74 extern HeapTuple AttributeNameIndexScan(Relation heapRelation,
  75                                            Oid relid,
  76                                            char *attname);
  77
  78 extern HeapTuple AttributeNumIndexScan(Relation heapRelation,
  79                                           Oid relid,
  80                                           AttrNumber attnum);
  81 extern HeapTuple ProcedureOidIndexScan(Relation heapRelation, Oid procId);
  82 extern HeapTuple ProcedureNameIndexScan(Relation heapRelation,
  83                                            char *procName, int2 nargs, Oid *argTypes);
  84 extern HeapTuple ProcedureSrcIndexScan(Relation heapRelation, text *procSrc);
  85 extern HeapTuple TypeOidIndexScan(Relation heapRelation, Oid typeId);
  86 extern HeapTuple TypeNameIndexScan(Relation heapRelation, char *typeName);
  87 extern HeapTuple ClassNameIndexScan(Relation heapRelation, char *relName);
  88 extern HeapTuple ClassOidIndexScan(Relation heapRelation, Oid relId);
  89
  90
  91 /*
  92  * What follows are lines processed by genbki.sh to create the statements
  93  * the bootstrap parser will turn into DefineIndex commands.
  94  *
  95  * The keyword is DECLARE_INDEX every thing after that is just like in a
  96  * normal specification of the 'define index' POSTQUEL command.
  97  */
  98 DECLARE_INDEX(pg_attribute_relid_attnam_index on pg_attribute using btree(attrelid oid_ops, attname name_ops));
  99 DECLARE_INDEX(pg_attribute_relid_attnum_index on pg_attribute using btree(attrelid oid_ops, attnum int2_ops));
 100 DECLARE_INDEX(pg_attribute_attrelid_index on pg_attribute using btree(attrelid oid_ops));
 101
 102 DECLARE_INDEX(pg_proc_oid_index on pg_proc using btree(oid oid_ops));
 103 DECLARE_INDEX(pg_proc_proname_narg_type_index on pg_proc using btree(proname name_ops, pronargs int2_ops, proargtypes oid8_ops));
 104 DECLARE_INDEX(pg_proc_prosrc_index on pg_proc using btree(prosrc text_ops));
 105
 106 DECLARE_INDEX(pg_type_oid_index on pg_type using btree(oid oid_ops));
 107 DECLARE_INDEX(pg_type_typname_index on pg_type using btree(typname name_ops));
 108
 109 DECLARE_INDEX(pg_class_oid_index on pg_class using btree(oid oid_ops));
 110 DECLARE_INDEX(pg_class_relname_index on pg_class using btree(relname name_ops));
 111
 112 DECLARE_INDEX(pg_attrdef_adrelid_index on pg_attrdef using btree(adrelid oid_ops));
 113
 114 DECLARE_INDEX(pg_relcheck_rcrelid_index on pg_relcheck using btree(rcrelid oid_ops));
 115
 116 DECLARE_INDEX(pg_trigger_tgrelid_index on pg_trigger using btree(tgrelid oid_ops));
 117
 118 DECLARE_INDEX(pg_description_objoid_index on pg_description using btree(objoid oid_ops));
 119
 120 /* now build indices in the initialization scripts */
 121 BUILD_INDICES
 122
 123 #endif   /* INDEXING_H */