PostgreSQL Source Code: src/include/utils/reltrigger.h Source File

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00001 /*-------------------------------------------------------------------------
00002  *
00003  * reltrigger.h
00004  *    POSTGRES relation trigger definitions.
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/utils/reltrigger.h
00011  *
00012  *-------------------------------------------------------------------------
00013  */
00014 #ifndef RELTRIGGER_H
00015 #define RELTRIGGER_H
00016 
00017 
00018 /*
00019  * These struct really belongs to trigger.h, but we put it separately so that
00020  * it can be cleanly included in rel.h and other places.
00021  */
00022 
00023 typedef struct Trigger
00024 {
00025     Oid         tgoid;          /* OID of trigger (pg_trigger row) */
00026     /* Remaining fields are copied from pg_trigger, see pg_trigger.h */
00027     char       *tgname;
00028     Oid         tgfoid;
00029     int16       tgtype;
00030     char        tgenabled;
00031     bool        tgisinternal;
00032     Oid         tgconstrrelid;
00033     Oid         tgconstrindid;
00034     Oid         tgconstraint;
00035     bool        tgdeferrable;
00036     bool        tginitdeferred;
00037     int16       tgnargs;
00038     int16       tgnattr;
00039     int16      *tgattr;
00040     char      **tgargs;
00041     char       *tgqual;
00042 } Trigger;
00043 
00044 typedef struct TriggerDesc
00045 {
00046     Trigger    *triggers;       /* array of Trigger structs */
00047     int         numtriggers;    /* number of array entries */
00048 
00049     /*
00050      * These flags indicate whether the array contains at least one of each
00051      * type of trigger.  We use these to skip searching the array if not.
00052      */
00053     bool        trig_insert_before_row;
00054     bool        trig_insert_after_row;
00055     bool        trig_insert_instead_row;
00056     bool        trig_insert_before_statement;
00057     bool        trig_insert_after_statement;
00058     bool        trig_update_before_row;
00059     bool        trig_update_after_row;
00060     bool        trig_update_instead_row;
00061     bool        trig_update_before_statement;
00062     bool        trig_update_after_statement;
00063     bool        trig_delete_before_row;
00064     bool        trig_delete_after_row;
00065     bool        trig_delete_instead_row;
00066     bool        trig_delete_before_statement;
00067     bool        trig_delete_after_statement;
00068     /* there are no row-level truncate triggers */
00069     bool        trig_truncate_before_statement;
00070     bool        trig_truncate_after_statement;
00071 } TriggerDesc;
00072 
00073 
00074 #endif   /* RELTRIGGER_H */
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reltrigger.h
