diff options
Diffstat (limited to 'src/include/catalog')
| -rw-r--r-- | src/include/catalog/catversion.h | 2 | ||||
| -rw-r--r-- | src/include/catalog/pg_trigger.h | 31 |
2 files changed, 30 insertions, 3 deletions
diff --git a/src/include/catalog/catversion.h b/src/include/catalog/catversion.h index c9212ab584b..910474cdcfc 100644 --- a/src/include/catalog/catversion.h +++ b/src/include/catalog/catversion.h @@ -53,6 +53,6 @@ */ /* yyyymmddN */ -#define CATALOG_VERSION_NO 201009281 +#define CATALOG_VERSION_NO 201010101 #endif diff --git a/src/include/catalog/pg_trigger.h b/src/include/catalog/pg_trigger.h index 46285ac3038..4eb72f20916 100644 --- a/src/include/catalog/pg_trigger.h +++ b/src/include/catalog/pg_trigger.h @@ -38,7 +38,7 @@ CATALOG(pg_trigger,2620) Oid tgrelid; /* relation trigger is attached to */ NameData tgname; /* trigger's name */ Oid tgfoid; /* OID of function to be called */ - int2 tgtype; /* BEFORE/AFTER UPDATE/DELETE/INSERT + int2 tgtype; /* BEFORE/AFTER/INSTEAD, UPDATE/DELETE/INSERT, * ROW/STATEMENT; see below */ char tgenabled; /* trigger's firing configuration WRT * session_replication_role */ @@ -91,22 +91,49 @@ typedef FormData_pg_trigger *Form_pg_trigger; #define TRIGGER_TYPE_DELETE (1 << 3) #define TRIGGER_TYPE_UPDATE (1 << 4) #define TRIGGER_TYPE_TRUNCATE (1 << 5) +#define TRIGGER_TYPE_INSTEAD (1 << 6) + +#define TRIGGER_TYPE_LEVEL_MASK (TRIGGER_TYPE_ROW) +#define TRIGGER_TYPE_STATEMENT 0 + +/* Note bits within TRIGGER_TYPE_TIMING_MASK aren't adjacent */ +#define TRIGGER_TYPE_TIMING_MASK \ + (TRIGGER_TYPE_BEFORE | TRIGGER_TYPE_INSTEAD) +#define TRIGGER_TYPE_AFTER 0 + +#define TRIGGER_TYPE_EVENT_MASK \ + (TRIGGER_TYPE_INSERT | TRIGGER_TYPE_DELETE | TRIGGER_TYPE_UPDATE | TRIGGER_TYPE_TRUNCATE) /* Macros for manipulating tgtype */ #define TRIGGER_CLEAR_TYPE(type) ((type) = 0) #define TRIGGER_SETT_ROW(type) ((type) |= TRIGGER_TYPE_ROW) +#define TRIGGER_SETT_STATEMENT(type) ((type) |= TRIGGER_TYPE_STATEMENT) #define TRIGGER_SETT_BEFORE(type) ((type) |= TRIGGER_TYPE_BEFORE) +#define TRIGGER_SETT_AFTER(type) ((type) |= TRIGGER_TYPE_AFTER) +#define TRIGGER_SETT_INSTEAD(type) ((type) |= TRIGGER_TYPE_INSTEAD) #define TRIGGER_SETT_INSERT(type) ((type) |= TRIGGER_TYPE_INSERT) #define TRIGGER_SETT_DELETE(type) ((type) |= TRIGGER_TYPE_DELETE) #define TRIGGER_SETT_UPDATE(type) ((type) |= TRIGGER_TYPE_UPDATE) #define TRIGGER_SETT_TRUNCATE(type) ((type) |= TRIGGER_TYPE_TRUNCATE) #define TRIGGER_FOR_ROW(type) ((type) & TRIGGER_TYPE_ROW) -#define TRIGGER_FOR_BEFORE(type) ((type) & TRIGGER_TYPE_BEFORE) +#define TRIGGER_FOR_BEFORE(type) (((type) & TRIGGER_TYPE_TIMING_MASK) == TRIGGER_TYPE_BEFORE) +#define TRIGGER_FOR_AFTER(type) (((type) & TRIGGER_TYPE_TIMING_MASK) == TRIGGER_TYPE_AFTER) +#define TRIGGER_FOR_INSTEAD(type) (((type) & TRIGGER_TYPE_TIMING_MASK) == TRIGGER_TYPE_INSTEAD) #define TRIGGER_FOR_INSERT(type) ((type) & TRIGGER_TYPE_INSERT) #define TRIGGER_FOR_DELETE(type) ((type) & TRIGGER_TYPE_DELETE) #define TRIGGER_FOR_UPDATE(type) ((type) & TRIGGER_TYPE_UPDATE) #define TRIGGER_FOR_TRUNCATE(type) ((type) & TRIGGER_TYPE_TRUNCATE) +/* + * Efficient macro for checking if tgtype matches a particular level + * (TRIGGER_TYPE_ROW or TRIGGER_TYPE_STATEMENT), timing (TRIGGER_TYPE_BEFORE, + * TRIGGER_TYPE_AFTER or TRIGGER_TYPE_INSTEAD), and event (TRIGGER_TYPE_INSERT, + * TRIGGER_TYPE_DELETE, TRIGGER_TYPE_UPDATE, or TRIGGER_TYPE_TRUNCATE). Note + * that a tgtype can match more than one event, but only one level or timing. + */ +#define TRIGGER_TYPE_MATCHES(type, level, timing, event) \ + (((type) & (TRIGGER_TYPE_LEVEL_MASK | TRIGGER_TYPE_TIMING_MASK | (event))) == ((level) | (timing) | (event))) + #endif /* PG_TRIGGER_H */ |