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/*-------------------------------------------------------------------------
*
* reltrigger.h
* POSTGRES relation trigger definitions.
*
*
* Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/utils/reltrigger.h
*
*-------------------------------------------------------------------------
*/
#ifndef RELTRIGGER_H
#define RELTRIGGER_H
/*
* These struct really belongs to trigger.h, but we put it separately so that
* it can be cleanly included in rel.h and other places.
*/
typedef struct Trigger
{
Oid tgoid; /* OID of trigger (pg_trigger row) */
/* Remaining fields are copied from pg_trigger, see pg_trigger.h */
char *tgname;
Oid tgfoid;
int16 tgtype;
char tgenabled;
bool tgisinternal;
bool tgisclone;
Oid tgconstrrelid;
Oid tgconstrindid;
Oid tgconstraint;
bool tgdeferrable;
bool tginitdeferred;
int16 tgnargs;
int16 tgnattr;
int16 *tgattr;
char **tgargs;
char *tgqual;
char *tgoldtable;
char *tgnewtable;
} Trigger;
typedef struct TriggerDesc
{
Trigger *triggers; /* array of Trigger structs */
int numtriggers; /* number of array entries */
/*
* These flags indicate whether the array contains at least one of each
* type of trigger. We use these to skip searching the array if not.
*/
bool trig_insert_before_row;
bool trig_insert_after_row;
bool trig_insert_instead_row;
bool trig_insert_before_statement;
bool trig_insert_after_statement;
bool trig_update_before_row;
bool trig_update_after_row;
bool trig_update_instead_row;
bool trig_update_before_statement;
bool trig_update_after_statement;
bool trig_delete_before_row;
bool trig_delete_after_row;
bool trig_delete_instead_row;
bool trig_delete_before_statement;
bool trig_delete_after_statement;
/* there are no row-level truncate triggers */
bool trig_truncate_before_statement;
bool trig_truncate_after_statement;
/* Is there at least one trigger specifying each transition relation? */
bool trig_insert_new_table;
bool trig_update_old_table;
bool trig_update_new_table;
bool trig_delete_old_table;
} TriggerDesc;
#endif /* RELTRIGGER_H */
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