82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
/*-------------------------------------------------------------------------
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*
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* reltrigger.h
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* POSTGRES relation trigger definitions.
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*
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*
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* Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/utils/reltrigger.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef RELTRIGGER_H
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#define RELTRIGGER_H
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/*
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* These struct really belongs to trigger.h, but we put it separately so that
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* it can be cleanly included in rel.h and other places.
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*/
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typedef struct Trigger
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{
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Oid tgoid; /* OID of trigger (pg_trigger row) */
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/* Remaining fields are copied from pg_trigger, see pg_trigger.h */
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char *tgname;
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Oid tgfoid;
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int16 tgtype;
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char tgenabled;
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bool tgisinternal;
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bool tgisclone;
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Oid tgconstrrelid;
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Oid tgconstrindid;
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Oid tgconstraint;
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bool tgdeferrable;
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bool tginitdeferred;
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int16 tgnargs;
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int16 tgnattr;
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int16 *tgattr;
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char **tgargs;
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char *tgqual;
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char *tgoldtable;
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char *tgnewtable;
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} Trigger;
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typedef struct TriggerDesc
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{
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Trigger *triggers; /* array of Trigger structs */
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int numtriggers; /* number of array entries */
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/*
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* These flags indicate whether the array contains at least one of each
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* type of trigger. We use these to skip searching the array if not.
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*/
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bool trig_insert_before_row;
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bool trig_insert_after_row;
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bool trig_insert_instead_row;
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bool trig_insert_before_statement;
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bool trig_insert_after_statement;
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bool trig_update_before_row;
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bool trig_update_after_row;
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bool trig_update_instead_row;
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bool trig_update_before_statement;
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bool trig_update_after_statement;
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bool trig_delete_before_row;
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bool trig_delete_after_row;
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bool trig_delete_instead_row;
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bool trig_delete_before_statement;
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bool trig_delete_after_statement;
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/* there are no row-level truncate triggers */
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bool trig_truncate_before_statement;
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bool trig_truncate_after_statement;
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/* Is there at least one trigger specifying each transition relation? */
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bool trig_insert_new_table;
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bool trig_update_old_table;
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bool trig_update_new_table;
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bool trig_delete_old_table;
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} TriggerDesc;
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#endif /* RELTRIGGER_H */
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