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) 1996-2002, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $Id: heap.h,v 1.56 2002/09/02 01:05:06 tgl Exp $
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef HEAP_H
  15 #define HEAP_H
  16
  17 #include "catalog/pg_attribute.h"
  18 #include "nodes/parsenodes.h"
  19 #include "parser/parse_node.h"
  20 #include "utils/rel.h"
  21
  22
  23 typedef struct RawColumnDefault
  24 {
  25         AttrNumber      attnum;                 /* attribute to attach default to */
  26         Node       *raw_default;        /* default value (untransformed parse
  27                                                                  * tree) */
  28 } RawColumnDefault;
  29
  30 extern Relation heap_create(const char *relname,
  31                         Oid relnamespace,
  32                         TupleDesc tupDesc,
  33                         bool shared_relation,
  34                         bool storage_create,
  35                         bool allow_system_table_mods);
  36
  37 extern void heap_storage_create(Relation rel);
  38
  39 extern Oid heap_create_with_catalog(const char *relname,
  40                                                  Oid relnamespace,
  41                                                  TupleDesc tupdesc,
  42                                                  char relkind,
  43                                                  bool shared_relation,
  44                                                  bool allow_system_table_mods);
  45
  46 extern void heap_drop_with_catalog(Oid rid);
  47
  48 extern void heap_truncate(Oid rid);
  49
  50 extern void AddRelationRawConstraints(Relation rel,
  51                                                   List *rawColDefaults,
  52                                                   List *rawConstraints);
  53
  54 extern Node *cookDefault(ParseState *pstate,
  55                                                  Node *raw_default,
  56                                                  Oid atttypid,
  57                                                  int32 atttypmod,
  58                                                  char *attname);
  59
  60 extern int      RemoveRelConstraints(Relation rel, const char *constrName,
  61                                                                  DropBehavior behavior);
  62
  63 extern void DeleteRelationTuple(Oid relid);
  64 extern void DeleteAttributeTuples(Oid relid);
  65 extern void RemoveAttributeById(Oid relid, AttrNumber attnum);
  66 extern void RemoveAttrDefault(Oid relid, AttrNumber attnum,
  67                                                           DropBehavior behavior, bool complain);
  68 extern void RemoveAttrDefaultById(Oid attrdefId);
  69
  70 extern Form_pg_attribute SystemAttributeDefinition(AttrNumber attno,
  71                                                   bool relhasoids);
  72
  73 extern Form_pg_attribute SystemAttributeByName(const char *attname,
  74                                           bool relhasoids);
  75
  76 #endif   /* HEAP_H */