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

   1 /*-------------------------------------------------------------------------
   2  *
   3  * pg_rewrite.h
   4  *        definition of the system "rewrite-rule" relation (pg_rewrite)
   5  *        along with the relation's initial contents.
   6  *
   7  * As of Postgres 7.3, the primary key for this table is <ev_class, rulename>
   8  * --- ie, rule names are only unique among the rules of a given table.
   9  *
  10  *
  11  * Portions Copyright (c) 1996-2004, PostgreSQL Global Development Group
  12  * Portions Copyright (c) 1994, Regents of the University of California
  13  *
  14  * $PostgreSQL: pgsql/src/include/catalog/pg_rewrite.h,v 1.23 2004/08/29 04:13:05 momjian Exp $
  15  *
  16  * NOTES
  17  *        the genbki.sh script reads this file and generates .bki
  18  *        information from the DATA() statements.
  19  *
  20  *-------------------------------------------------------------------------
  21  */
  22 #ifndef PG_REWRITE_H
  23 #define PG_REWRITE_H
  24
  25 /* ----------------
  26  *              postgres.h contains the system type definitions and the
  27  *              CATALOG(), BOOTSTRAP and DATA() sugar words so this file
  28  *              can be read by both genbki.sh and the C compiler.
  29  * ----------------
  30  */
  31
  32 /* ----------------
  33  *              pg_rewrite definition.  cpp turns this into
  34  *              typedef struct FormData_pg_rewrite
  35  * ----------------
  36  */
  37 CATALOG(pg_rewrite)
  38 {
  39         NameData        rulename;
  40         Oid                     ev_class;
  41         int2            ev_attr;
  42         char            ev_type;
  43         bool            is_instead;
  44
  45         /* NB: remaining fields must be accessed via heap_getattr */
  46         text            ev_qual;
  47         text            ev_action;
  48 } FormData_pg_rewrite;
  49
  50 /* ----------------
  51  *              Form_pg_rewrite corresponds to a pointer to a tuple with
  52  *              the format of pg_rewrite relation.
  53  * ----------------
  54  */
  55 typedef FormData_pg_rewrite *Form_pg_rewrite;
  56
  57 /* ----------------
  58  *              compiler constants for pg_rewrite
  59  * ----------------
  60  */
  61 #define Natts_pg_rewrite                                7
  62 #define Anum_pg_rewrite_rulename                1
  63 #define Anum_pg_rewrite_ev_class                2
  64 #define Anum_pg_rewrite_ev_attr                 3
  65 #define Anum_pg_rewrite_ev_type                 4
  66 #define Anum_pg_rewrite_is_instead              5
  67 #define Anum_pg_rewrite_ev_qual                 6
  68 #define Anum_pg_rewrite_ev_action               7
  69
  70 #endif   /* PG_REWRITE_H */