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

   1 /*-------------------------------------------------------------------------
   2  *
   3  * heap.h
   4  *        prototypes for functions in backend/catalog/heap.c
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * src/include/catalog/heap.h
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef HEAP_H
  15 #define HEAP_H
  16
  17 #include "parser/parse_node.h"
  18 #include "catalog/indexing.h"
  19
  20
  21 typedef struct RawColumnDefault
  22 {
  23         AttrNumber      attnum;                 /* attribute to attach default to */
  24         Node       *raw_default;        /* default value (untransformed parse tree) */
  25 } RawColumnDefault;
  26
  27 typedef struct CookedConstraint
  28 {
  29         ConstrType      contype;                /* CONSTR_DEFAULT or CONSTR_CHECK */
  30         char       *name;                       /* name, or NULL if none */
  31         AttrNumber      attnum;                 /* which attr (only for DEFAULT) */
  32         Node       *expr;                       /* transformed default or check expr */
  33         bool            skip_validation;        /* skip validation? (only for CHECK) */
  34         bool            is_local;               /* constraint has local (non-inherited) def */
  35         int                     inhcount;               /* number of times constraint is inherited */
  36         bool            is_no_inherit;  /* constraint has local def and cannot be
  37                                                                  * inherited */
  38 } CookedConstraint;
  39
  40 extern Relation heap_create(const char *relname,
  41                         Oid relnamespace,
  42                         Oid reltablespace,
  43                         Oid relid,
  44                         Oid relfilenode,
  45                         TupleDesc tupDesc,
  46                         char relkind,
  47                         char relpersistence,
  48                         bool shared_relation,
  49                         bool mapped_relation);
  50
  51 extern Oid heap_create_with_catalog(const char *relname,
  52                                                  Oid relnamespace,
  53                                                  Oid reltablespace,
  54                                                  Oid relid,
  55                                                  Oid reltypeid,
  56                                                  Oid reloftypeid,
  57                                                  Oid ownerid,
  58                                                  TupleDesc tupdesc,
  59                                                  List *cooked_constraints,
  60                                                  char relkind,
  61                                                  char relpersistence,
  62                                                  bool shared_relation,
  63                                                  bool mapped_relation,
  64                                                  bool oidislocal,
  65                                                  int oidinhcount,
  66                                                  OnCommitAction oncommit,
  67                                                  Datum reloptions,
  68                                                  bool use_user_acl,
  69                                                  bool allow_system_table_mods,
  70                                                  bool is_internal);
  71
  72 extern void heap_create_init_fork(Relation rel);
  73
  74 extern void heap_drop_with_catalog(Oid relid);
  75
  76 extern void heap_truncate(List *relids);
  77
  78 extern void heap_truncate_one_rel(Relation rel);
  79
  80 extern void heap_truncate_check_FKs(List *relations, bool tempTables);
  81
  82 extern List *heap_truncate_find_FKs(List *relationIds);
  83
  84 extern void InsertPgAttributeTuple(Relation pg_attribute_rel,
  85                                            Form_pg_attribute new_attribute,
  86                                            CatalogIndexState indstate);
  87
  88 extern void InsertPgClassTuple(Relation pg_class_desc,
  89                                    Relation new_rel_desc,
  90                                    Oid new_rel_oid,
  91                                    Datum relacl,
  92                                    Datum reloptions);
  93
  94 extern List *AddRelationNewConstraints(Relation rel,
  95                                                   List *newColDefaults,
  96                                                   List *newConstraints,
  97                                                   bool allow_merge,
  98                                                   bool is_local);
  99
 100 extern void StoreAttrDefault(Relation rel, AttrNumber attnum, Node *expr);
 101
 102 extern Node *cookDefault(ParseState *pstate,
 103                         Node *raw_default,
 104                         Oid atttypid,
 105                         int32 atttypmod,
 106                         char *attname);
 107
 108 extern void DeleteRelationTuple(Oid relid);
 109 extern void DeleteAttributeTuples(Oid relid);
 110 extern void DeleteSystemAttributeTuples(Oid relid);
 111 extern void RemoveAttributeById(Oid relid, AttrNumber attnum);
 112 extern void RemoveAttrDefault(Oid relid, AttrNumber attnum,
 113                                   DropBehavior behavior, bool complain, bool internal);
 114 extern void RemoveAttrDefaultById(Oid attrdefId);
 115 extern void RemoveStatistics(Oid relid, AttrNumber attnum);
 116
 117 extern Form_pg_attribute SystemAttributeDefinition(AttrNumber attno,
 118                                                   bool relhasoids);
 119
 120 extern Form_pg_attribute SystemAttributeByName(const char *attname,
 121                                           bool relhasoids);
 122
 123 extern void CheckAttributeNamesTypes(TupleDesc tupdesc, char relkind,
 124                                                  bool allow_system_table_mods);
 125
 126 extern void CheckAttributeType(const char *attname,
 127                                    Oid atttypid, Oid attcollation,
 128                                    List *containing_rowtypes,
 129                                    bool allow_system_table_mods);
 130
 131 #endif   /* HEAP_H */