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) 1996-2008, 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);
  21 extern void BootstrapToastTable(char *relName,
  22                                         Oid toastOid, Oid toastIndexOid);
  23
  24
  25 /*
  26  * This macro is just to keep the C compiler from spitting up on the
  27  * upcoming commands for genbki.sh.
  28  */
  29 #define DECLARE_TOAST(name,toastoid,indexoid) extern int no_such_variable
  30
  31
  32 /*
  33  * What follows are lines processed by genbki.sh to create the statements
  34  * the bootstrap parser will turn into BootstrapToastTable commands.
  35  * Each line specifies the system catalog that needs a toast table,
  36  * the OID to assign to the toast table, and the OID to assign to the
  37  * toast table's index.  The reason we hard-wire these OIDs is that we
  38  * need stable OIDs for shared relations, and that includes toast tables
  39  * of shared relations.
  40  */
  41
  42 /* normal catalogs */
  43 DECLARE_TOAST(pg_attrdef, 2830, 2831);
  44 DECLARE_TOAST(pg_constraint, 2832, 2833);
  45 DECLARE_TOAST(pg_description, 2834, 2835);
  46 DECLARE_TOAST(pg_proc, 2836, 2837);
  47 DECLARE_TOAST(pg_rewrite, 2838, 2839);
  48 DECLARE_TOAST(pg_statistic, 2840, 2841);
  49
  50 /* shared catalogs */
  51 DECLARE_TOAST(pg_authid, 2842, 2843);
  52 #define PgAuthidToastTable 2842
  53 #define PgAuthidToastIndex 2843
  54 DECLARE_TOAST(pg_database, 2844, 2845);
  55 #define PgDatabaseToastTable 2844
  56 #define PgDatabaseToastIndex 2845
  57 DECLARE_TOAST(pg_shdescription, 2846, 2847);
  58 #define PgShdescriptionToastTable 2846
  59 #define PgShdescriptionToastIndex 2847
  60
  61 #endif   /* TOASTING_H */