granicus.if.org Git - postgresql/blob - src/include/utils/reltrigger.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * reltrigger.h
   4  *        POSTGRES relation trigger definitions.
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * src/include/utils/reltrigger.h
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef RELTRIGGER_H
  15 #define RELTRIGGER_H
  16
  17
  18 /*
  19  * These struct really belongs to trigger.h, but we put it separately so that
  20  * it can be cleanly included in rel.h and other places.
  21  */
  22
  23 typedef struct Trigger
  24 {
  25         Oid                     tgoid;                  /* OID of trigger (pg_trigger row) */
  26         /* Remaining fields are copied from pg_trigger, see pg_trigger.h */
  27         char       *tgname;
  28         Oid                     tgfoid;
  29         int16           tgtype;
  30         char            tgenabled;
  31         bool            tgisinternal;
  32         Oid                     tgconstrrelid;
  33         Oid                     tgconstrindid;
  34         Oid                     tgconstraint;
  35         bool            tgdeferrable;
  36         bool            tginitdeferred;
  37         int16           tgnargs;
  38         int16           tgnattr;
  39         int16      *tgattr;
  40         char      **tgargs;
  41         char       *tgqual;
  42 } Trigger;
  43
  44 typedef struct TriggerDesc
  45 {
  46         Trigger    *triggers;           /* array of Trigger structs */
  47         int                     numtriggers;    /* number of array entries */
  48
  49         /*
  50          * These flags indicate whether the array contains at least one of each
  51          * type of trigger.  We use these to skip searching the array if not.
  52          */
  53         bool            trig_insert_before_row;
  54         bool            trig_insert_after_row;
  55         bool            trig_insert_instead_row;
  56         bool            trig_insert_before_statement;
  57         bool            trig_insert_after_statement;
  58         bool            trig_update_before_row;
  59         bool            trig_update_after_row;
  60         bool            trig_update_instead_row;
  61         bool            trig_update_before_statement;
  62         bool            trig_update_after_statement;
  63         bool            trig_delete_before_row;
  64         bool            trig_delete_after_row;
  65         bool            trig_delete_instead_row;
  66         bool            trig_delete_before_statement;
  67         bool            trig_delete_after_statement;
  68         /* there are no row-level truncate triggers */
  69         bool            trig_truncate_before_statement;
  70         bool            trig_truncate_after_statement;
  71 } TriggerDesc;
  72
  73 #endif   /* RELTRIGGER_H */