-- @@@ START COPYRIGHT @@@
--
-- Licensed to the Apache Software Foundation (ASF) under one
-- or more contributor license agreements.  See the NOTICE file
-- distributed with this work for additional information
-- regarding copyright ownership.  The ASF licenses this file
-- to you under the Apache License, Version 2.0 (the
-- "License"); you may not use this file except in compliance
-- with the License.  You may obtain a copy of the License at
--
--   http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing,
-- software distributed under the License is distributed on an
-- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-- KIND, either express or implied.  See the License for the
-- specific language governing permissions and limitations
-- under the License.
--
-- @@@ END COPYRIGHT @@@
-- conflict sets
-- RW-conflicting set

------------------------------------------------------------------
-- SET ENVIRONMENT
------------------------------------------------------------------


obey TEST_6_2_1_4(clean_up);
obey TEST_6_2_1_4(set_up);
log   LOG_6_2_1_4 clear;
obey TEST_6_2_1_4(tests);
LOG;
obey TEST_6_2_1_4(clean_up);
exit;

?section clean_up
set schema CAT1.SCHM;
DROP TRIGGER rt0;
DROP TRIGGER rt1;
DROP TRIGGER rt2;
DROP TRIGGER st3;
DROP TRIGGER btrig;

------------------------------------------------------------------
obey clearTables2;

?section set_up
INSERT INTO T2 VALUES (1,1);
INSERT INTO T2 VALUES (1,2);
INSERT INTO T1 VALUES (10,10);

---------------------------------
-- DEFINE TRIGGER rt0
---------------------------------

CREATE TRIGGER rt0
AFTER DELETE ON T1
FOR EACH ROW
UPDATE T2 SET b= b+1;

---------------------------------
-- DEFINE TRIGGER rt1
---------------------------------

CREATE TRIGGER rt1
AFTER UPDATE ON T2
REFERENCING OLD AS oldR
FOR EACH ROW
WHEN (oldR.a <> oldR.b)
INSERT INTO T1 VALUES (oldR.a+1, oldR.b);


---------------------------------
-- DEFINE TRIGGER rt2
---------------------------------

CREATE TRIGGER rt2
AFTER UPDATE ON T2
REFERENCING OLD AS oldR, NEW AS newR
FOR EACH ROW
WHEN (oldR.b <> 1)
INSERT INTO T3 VALUES (newR.a, newR.B);

---------------------------------
-- DEFINE TRIGGER st3
---------------------------------

CREATE TRIGGER st3
AFTER UPDATE ON T2
INSERT INTO T4 VALUES (100);

---------------------------------
-- DEFINE TRIGGER btrig
---------------------------------

CREATE TRIGGER btrig
BEFORE UPDATE OF (b) ON T2
REFERENCING NEW AS newR, OLD as oldR
FOR EACH ROW
WHEN (oldR.a <> oldR.b)
SET newR.b= oldR.a-1;
?section tests

------------------------------------------------------------------
--          TEST CASE
------------------------------------------------------------------

DELETE FROM T1 WHERE a>9;

SELECT * FROM T1 ORDER BY a; -- check result

SELECT * FROM T2 ORDER BY a,b; -- check result

SELECT * FROM T3 ORDER BY a; -- check result

SELECT * FROM T4 ORDER BY a; -- check result

------------------------------------------------------------------
--           END
------------------------------------------------------------------
