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

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reltrigger.h
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1/*-------------------------------------------------------------------------
2 *
3 * reltrigger.h
4 * POSTGRES relation trigger definitions.
5 *
6 *
7 * Portions Copyright (c) 1996-2025, 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 bool tgisclone;
33 Oid tgconstrrelid;
34 Oid tgconstrindid;
35 Oid tgconstraint;
36 bool tgdeferrable;
37 bool tginitdeferred;
38 int16 tgnargs;
39 int16 tgnattr;
40 int16 *tgattr;
41 char **tgargs;
42 char *tgqual;
43 char *tgoldtable;
44 char *tgnewtable;
45 } Trigger;
46
47 typedef struct TriggerDesc
48{
49 Trigger *triggers; /* array of Trigger structs */
50 int numtriggers; /* number of array entries */
51
52 /*
53 * These flags indicate whether the array contains at least one of each
54 * type of trigger. We use these to skip searching the array if not.
55 */
56 bool trig_insert_before_row;
57 bool trig_insert_after_row;
58 bool trig_insert_instead_row;
59 bool trig_insert_before_statement;
60 bool trig_insert_after_statement;
61 bool trig_update_before_row;
62 bool trig_update_after_row;
63 bool trig_update_instead_row;
64 bool trig_update_before_statement;
65 bool trig_update_after_statement;
66 bool trig_delete_before_row;
67 bool trig_delete_after_row;
68 bool trig_delete_instead_row;
69 bool trig_delete_before_statement;
70 bool trig_delete_after_statement;
71 /* there are no row-level truncate triggers */
72 bool trig_truncate_before_statement;
73 bool trig_truncate_after_statement;
74 /* Is there at least one trigger specifying each transition relation? */
75 bool trig_insert_new_table;
76 bool trig_update_old_table;
77 bool trig_update_new_table;
78 bool trig_delete_old_table;
79 } TriggerDesc;
80
81#endif /* RELTRIGGER_H */
int16_t int16
Definition: c.h:533
unsigned int Oid
Definition: postgres_ext.h:32
struct TriggerDesc TriggerDesc
struct Trigger Trigger
int numtriggers
Definition: reltrigger.h:50
bool trig_delete_before_row
Definition: reltrigger.h:66
bool trig_update_instead_row
Definition: reltrigger.h:63
Trigger * triggers
Definition: reltrigger.h:49
bool trig_delete_instead_row
Definition: reltrigger.h:68
bool trig_update_after_row
Definition: reltrigger.h:62
bool trig_insert_instead_row
Definition: reltrigger.h:58
bool trig_update_new_table
Definition: reltrigger.h:77
bool trig_insert_after_row
Definition: reltrigger.h:57
bool trig_update_after_statement
Definition: reltrigger.h:65
bool trig_update_before_row
Definition: reltrigger.h:61
bool trig_truncate_before_statement
Definition: reltrigger.h:72
bool trig_insert_new_table
Definition: reltrigger.h:75
bool trig_update_before_statement
Definition: reltrigger.h:64
bool trig_truncate_after_statement
Definition: reltrigger.h:73
bool trig_insert_before_statement
Definition: reltrigger.h:59
bool trig_delete_old_table
Definition: reltrigger.h:78
bool trig_delete_after_row
Definition: reltrigger.h:67
bool trig_insert_before_row
Definition: reltrigger.h:56
bool trig_delete_after_statement
Definition: reltrigger.h:70
bool trig_delete_before_statement
Definition: reltrigger.h:69
bool trig_update_old_table
Definition: reltrigger.h:76
bool trig_insert_after_statement
Definition: reltrigger.h:60
char tgenabled
Definition: reltrigger.h:30
Oid tgoid
Definition: reltrigger.h:25
char * tgoldtable
Definition: reltrigger.h:43
char * tgnewtable
Definition: reltrigger.h:44
Oid tgconstrindid
Definition: reltrigger.h:34
Oid tgconstraint
Definition: reltrigger.h:35
Oid tgconstrrelid
Definition: reltrigger.h:33
char * tgname
Definition: reltrigger.h:27
Oid tgfoid
Definition: reltrigger.h:28
int16 tgnargs
Definition: reltrigger.h:38
char * tgqual
Definition: reltrigger.h:42
int16 tgnattr
Definition: reltrigger.h:39
bool tgdeferrable
Definition: reltrigger.h:36
bool tginitdeferred
Definition: reltrigger.h:37
bool tgisinternal
Definition: reltrigger.h:31
char ** tgargs
Definition: reltrigger.h:41
int16 tgtype
Definition: reltrigger.h:29
int16 * tgattr
Definition: reltrigger.h:40
bool tgisclone
Definition: reltrigger.h:32

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