src/include/catalog/toasting.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * toasting.h
   4  *        This file provides some definitions to support creation of toast tables
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $PostgreSQL$
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef TOASTING_H
  15 #define TOASTING_H
  16
  17 /*
  18  * toasting.c prototypes
  19  */
  20 extern void AlterTableCreateToastTable(Oid relOid, Oid toastOid,
  21                                                    Datum reloptions, bool force);
  22 extern void BootstrapToastTable(char *relName,
  23                                         Oid toastOid, Oid toastIndexOid);
  24
  25
  26 /*
  27  * This macro is just to keep the C compiler from spitting up on the
  28  * upcoming commands for genbki.sh.
  29  */
  30 #define DECLARE_TOAST(name,toastoid,indexoid) extern int no_such_variable
  31
  32
  33 /*
  34  * What follows are lines processed by genbki.sh to create the statements
  35  * the bootstrap parser will turn into BootstrapToastTable commands.
  36  * Each line specifies the system catalog that needs a toast table,
  37  * the OID to assign to the toast table, and the OID to assign to the
  38  * toast table's index.  The reason we hard-wire these OIDs is that we
  39  * need stable OIDs for shared relations, and that includes toast tables
  40  * of shared relations.
  41  */
  42
  43 /* normal catalogs */
  44 DECLARE_TOAST(pg_attrdef, 2830, 2831);
  45 DECLARE_TOAST(pg_constraint, 2832, 2833);
  46 DECLARE_TOAST(pg_description, 2834, 2835);
  47 DECLARE_TOAST(pg_proc, 2836, 2837);
  48 DECLARE_TOAST(pg_rewrite, 2838, 2839);
  49 DECLARE_TOAST(pg_statistic, 2840, 2841);
  50
  51 /* shared catalogs */
  52 DECLARE_TOAST(pg_authid, 2842, 2843);
  53 #define PgAuthidToastTable 2842
  54 #define PgAuthidToastIndex 2843
  55 DECLARE_TOAST(pg_database, 2844, 2845);
  56 #define PgDatabaseToastTable 2844
  57 #define PgDatabaseToastIndex 2845
  58 DECLARE_TOAST(pg_shdescription, 2846, 2847);
  59 #define PgShdescriptionToastTable 2846
  60 #define PgShdescriptionToastIndex 2847
  61
  62 #endif   /* TOASTING_H */