2012-07-18 16:16:16 +02:00
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-- should fail, return type mismatch
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create event trigger regress_event_trigger
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on ddl_command_start
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execute procedure pg_backend_pid();
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ERROR: function "pg_backend_pid" must return type "event_trigger"
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2012-07-20 17:38:47 +02:00
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-- OK
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create function test_event_trigger() returns event_trigger as $$
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BEGIN
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RAISE NOTICE 'test_event_trigger: % %', tg_event, tg_tag;
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END
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$$ language plpgsql;
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2012-07-18 16:16:16 +02:00
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-- should fail, no elephant_bootstrap entry point
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create event trigger regress_event_trigger on elephant_bootstrap
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2012-07-20 17:38:47 +02:00
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execute procedure test_event_trigger();
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2012-07-18 16:16:16 +02:00
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ERROR: unrecognized event name "elephant_bootstrap"
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-- OK
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create event trigger regress_event_trigger on ddl_command_start
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2012-07-20 17:38:47 +02:00
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execute procedure test_event_trigger();
|
2012-07-18 16:16:16 +02:00
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-- should fail, food is not a valid filter variable
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create event trigger regress_event_trigger2 on ddl_command_start
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|
when food in ('sandwhich')
|
2012-07-20 17:38:47 +02:00
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|
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execute procedure test_event_trigger();
|
2012-07-18 16:16:16 +02:00
|
|
|
ERROR: unrecognized filter variable "food"
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|
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-- should fail, sandwhich is not a valid command tag
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|
create event trigger regress_event_trigger2 on ddl_command_start
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|
|
|
when tag in ('sandwhich')
|
2012-07-20 17:38:47 +02:00
|
|
|
execute procedure test_event_trigger();
|
2012-07-18 16:16:16 +02:00
|
|
|
ERROR: filter value "sandwhich" not recognized for filter variable "tag"
|
|
|
|
-- should fail, create skunkcabbage is not a valid comand tag
|
|
|
|
create event trigger regress_event_trigger2 on ddl_command_start
|
|
|
|
when tag in ('create table', 'create skunkcabbage')
|
2012-07-20 17:38:47 +02:00
|
|
|
execute procedure test_event_trigger();
|
2012-07-18 16:16:16 +02:00
|
|
|
ERROR: filter value "create skunkcabbage" not recognized for filter variable "tag"
|
|
|
|
-- should fail, can't have event triggers on event triggers
|
|
|
|
create event trigger regress_event_trigger2 on ddl_command_start
|
|
|
|
when tag in ('DROP EVENT TRIGGER')
|
2012-07-20 17:38:47 +02:00
|
|
|
execute procedure test_event_trigger();
|
2012-07-18 16:16:16 +02:00
|
|
|
ERROR: event triggers are not supported for "DROP EVENT TRIGGER"
|
|
|
|
-- should fail, can't have same filter variable twice
|
|
|
|
create event trigger regress_event_trigger2 on ddl_command_start
|
|
|
|
when tag in ('create table') and tag in ('CREATE FUNCTION')
|
2012-07-20 17:38:47 +02:00
|
|
|
execute procedure test_event_trigger();
|
2012-07-18 16:16:16 +02:00
|
|
|
ERROR: filter variable "tag" specified more than once
|
|
|
|
-- OK
|
|
|
|
create event trigger regress_event_trigger2 on ddl_command_start
|
|
|
|
when tag in ('create table', 'CREATE FUNCTION')
|
2012-07-20 17:38:47 +02:00
|
|
|
execute procedure test_event_trigger();
|
2012-07-18 16:16:16 +02:00
|
|
|
-- OK
|
|
|
|
comment on event trigger regress_event_trigger is 'test comment';
|
|
|
|
-- should fail, event triggers are not schema objects
|
|
|
|
comment on event trigger wrong.regress_event_trigger is 'test comment';
|
|
|
|
ERROR: event trigger name cannot be qualified
|
|
|
|
-- drop as non-superuser should fail
|
|
|
|
create role regression_bob;
|
|
|
|
set role regression_bob;
|
|
|
|
create event trigger regress_event_trigger_noperms on ddl_command_start
|
2012-07-20 17:38:47 +02:00
|
|
|
execute procedure test_event_trigger();
|
2012-07-18 16:16:16 +02:00
|
|
|
ERROR: permission denied to create event trigger "regress_event_trigger_noperms"
|
|
|
|
HINT: Must be superuser to create an event trigger.
|
|
|
|
reset role;
|
|
|
|
-- all OK
|
|
|
|
alter event trigger regress_event_trigger enable replica;
|
|
|
|
alter event trigger regress_event_trigger enable always;
|
|
|
|
alter event trigger regress_event_trigger enable;
|
2012-07-20 17:38:47 +02:00
|
|
|
alter event trigger regress_event_trigger disable;
|
|
|
|
-- regress_event_trigger2 should fire, but not regress_event_trigger
|
|
|
|
create table event_trigger_fire1 (a int);
|
|
|
|
NOTICE: test_event_trigger: ddl_command_start CREATE TABLE
|
|
|
|
-- but nothing should fire here
|
|
|
|
drop table event_trigger_fire1;
|
2012-07-18 16:16:16 +02:00
|
|
|
-- alter owner to non-superuser should fail
|
|
|
|
alter event trigger regress_event_trigger owner to regression_bob;
|
|
|
|
ERROR: permission denied to change owner of event trigger "regress_event_trigger"
|
|
|
|
HINT: The owner of an event trigger must be a superuser.
|
|
|
|
-- alter owner to superuser should work
|
|
|
|
alter role regression_bob superuser;
|
|
|
|
alter event trigger regress_event_trigger owner to regression_bob;
|
|
|
|
-- should fail, name collision
|
|
|
|
alter event trigger regress_event_trigger rename to regress_event_trigger2;
|
|
|
|
ERROR: event trigger "regress_event_trigger2" already exists
|
|
|
|
-- OK
|
|
|
|
alter event trigger regress_event_trigger rename to regress_event_trigger3;
|
|
|
|
-- should fail, doesn't exist any more
|
|
|
|
drop event trigger regress_event_trigger;
|
|
|
|
ERROR: event trigger "regress_event_trigger" does not exist
|
|
|
|
-- should fail, regression_bob owns regress_event_trigger2/3
|
|
|
|
drop role regression_bob;
|
|
|
|
ERROR: role "regression_bob" cannot be dropped because some objects depend on it
|
|
|
|
DETAIL: owner of event trigger regress_event_trigger3
|
|
|
|
-- these are all OK; the second one should emit a NOTICE
|
|
|
|
drop event trigger if exists regress_event_trigger2;
|
|
|
|
drop event trigger if exists regress_event_trigger2;
|
|
|
|
NOTICE: event trigger "regress_event_trigger2" does not exist, skipping
|
|
|
|
drop event trigger regress_event_trigger3;
|
2012-07-20 17:38:47 +02:00
|
|
|
drop function test_event_trigger();
|
2012-07-18 16:16:16 +02:00
|
|
|
drop role regression_bob;
|