PostgreSQL Source Code: src/include/catalog/heap.h Source File

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00001 /*-------------------------------------------------------------------------
00002  *
00003  * heap.h
00004  *    prototypes for functions in backend/catalog/heap.c
00005  *
00006  *
00007  * Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group
00008  * Portions Copyright (c) 1994, Regents of the University of California
00009  *
00010  * src/include/catalog/heap.h
00011  *
00012  *-------------------------------------------------------------------------
00013  */
00014 #ifndef HEAP_H
00015 #define HEAP_H
00016 
00017 #include "parser/parse_node.h"
00018 #include "catalog/indexing.h"
00019 
00020 
00021 typedef struct RawColumnDefault
00022 {
00023     AttrNumber  attnum;         /* attribute to attach default to */
00024     Node       *raw_default;    /* default value (untransformed parse tree) */
00025 } RawColumnDefault;
00026 
00027 typedef struct CookedConstraint
00028 {
00029     ConstrType  contype;        /* CONSTR_DEFAULT or CONSTR_CHECK */
00030     char       *name;           /* name, or NULL if none */
00031     AttrNumber  attnum;         /* which attr (only for DEFAULT) */
00032     Node       *expr;           /* transformed default or check expr */
00033     bool        skip_validation;    /* skip validation? (only for CHECK) */
00034     bool        is_local;       /* constraint has local (non-inherited) def */
00035     int         inhcount;       /* number of times constraint is inherited */
00036     bool        is_no_inherit;  /* constraint has local def and cannot be
00037                                  * inherited */
00038 } CookedConstraint;
00039 
00040 extern Relation heap_create(const char *relname,
00041             Oid relnamespace,
00042             Oid reltablespace,
00043             Oid relid,
00044             Oid relfilenode,
00045             TupleDesc tupDesc,
00046             char relkind,
00047             char relpersistence,
00048             bool shared_relation,
00049             bool mapped_relation);
00050 
00051 extern Oid heap_create_with_catalog(const char *relname,
00052                          Oid relnamespace,
00053                          Oid reltablespace,
00054                          Oid relid,
00055                          Oid reltypeid,
00056                          Oid reloftypeid,
00057                          Oid ownerid,
00058                          TupleDesc tupdesc,
00059                          List *cooked_constraints,
00060                          char relkind,
00061                          char relpersistence,
00062                          bool shared_relation,
00063                          bool mapped_relation,
00064                          bool oidislocal,
00065                          int oidinhcount,
00066                          OnCommitAction oncommit,
00067                          Datum reloptions,
00068                          bool use_user_acl,
00069                          bool allow_system_table_mods,
00070                          bool is_internal);
00071 
00072 extern void heap_create_init_fork(Relation rel);
00073 extern bool heap_is_matview_init_state(Relation rel);
00074 
00075 extern void heap_drop_with_catalog(Oid relid);
00076 
00077 extern void heap_truncate(List *relids);
00078 
00079 extern void heap_truncate_one_rel(Relation rel);
00080 
00081 extern void heap_truncate_check_FKs(List *relations, bool tempTables);
00082 
00083 extern List *heap_truncate_find_FKs(List *relationIds);
00084 
00085 extern void InsertPgAttributeTuple(Relation pg_attribute_rel,
00086                        Form_pg_attribute new_attribute,
00087                        CatalogIndexState indstate);
00088 
00089 extern void InsertPgClassTuple(Relation pg_class_desc,
00090                    Relation new_rel_desc,
00091                    Oid new_rel_oid,
00092                    Datum relacl,
00093                    Datum reloptions);
00094 
00095 extern List *AddRelationNewConstraints(Relation rel,
00096                           List *newColDefaults,
00097                           List *newConstraints,
00098                           bool allow_merge,
00099                           bool is_local,
00100                           bool is_internal);
00101 
00102 extern void StoreAttrDefault(Relation rel, AttrNumber attnum,
00103                              Node *expr, bool is_internal);
00104 
00105 extern Node *cookDefault(ParseState *pstate,
00106             Node *raw_default,
00107             Oid atttypid,
00108             int32 atttypmod,
00109             char *attname);
00110 
00111 extern void DeleteRelationTuple(Oid relid);
00112 extern void DeleteAttributeTuples(Oid relid);
00113 extern void DeleteSystemAttributeTuples(Oid relid);
00114 extern void RemoveAttributeById(Oid relid, AttrNumber attnum);
00115 extern void RemoveAttrDefault(Oid relid, AttrNumber attnum,
00116                   DropBehavior behavior, bool complain, bool internal);
00117 extern void RemoveAttrDefaultById(Oid attrdefId);
00118 extern void RemoveStatistics(Oid relid, AttrNumber attnum);
00119 
00120 extern Form_pg_attribute SystemAttributeDefinition(AttrNumber attno,
00121                           bool relhasoids);
00122 
00123 extern Form_pg_attribute SystemAttributeByName(const char *attname,
00124                       bool relhasoids);
00125 
00126 extern void CheckAttributeNamesTypes(TupleDesc tupdesc, char relkind,
00127                          bool allow_system_table_mods);
00128 
00129 extern void CheckAttributeType(const char *attname,
00130                    Oid atttypid, Oid attcollation,
00131                    List *containing_rowtypes,
00132                    bool allow_system_table_mods);
00133 
00134 #endif   /* HEAP_H */
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heap.h
