--source suite/xengine/include/have_xengine.inc

# 
# Basic UPDATE statements.
# UPDATE LOW_PRIORITY is covered in update_low_prio test
# UPDATE IGNORE is covered in update_ignore test
# Multi-table update is covered in update_multi test
#

########################################
# TODO:
# The results of the transactional part
# are unusual due to "can't-see-own-changes"
########################################

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TABLE t1 (a INT, b CHAR(8), pk INT AUTO_INCREMENT PRIMARY KEY) ENGINE=xengine;
INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e'),(10000,'foobar');
INSERT INTO t1 (a,b) SELECT a, b FROM t1;

UPDATE t1 SET a=a+100;
--sorted_result
SELECT a,b FROM t1;

UPDATE t1 SET a=a-100, b=DEFAULT WHERE a>100;
--sorted_result
SELECT a,b FROM t1;

# ORDER BY and LIMIT
UPDATE t1 SET b = 'update' WHERE a <= 4 ORDER BY b DESC, a ASC LIMIT 1;
--sorted_result
SELECT a,b FROM t1;

DROP TABLE t1;

# 
# Transactional UPDATE
#

CREATE TABLE t1 (a INT, b CHAR(8), pk INT AUTO_INCREMENT PRIMARY KEY) ENGINE=xengine;
INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e'),(10000,'foobar');
INSERT INTO t1 (a,b) SELECT a, b FROM t1;

BEGIN;
UPDATE t1 SET a=a+100;
UPDATE t1 SET a=a-50, b=DEFAULT WHERE a>100;
COMMIT;
--sorted_result
SELECT * FROM t1 ORDER BY pk;

BEGIN;
UPDATE t1 SET b = 'update' WHERE a <= 4 ORDER BY a DESC, b ASC LIMIT 3;
UPDATE t1 SET b = '';
ROLLBACK;
SELECT * FROM t1 ORDER BY pk;

BEGIN;
UPDATE t1 SET b = 'update2' WHERE a <= 100;
SAVEPOINT spt1;
UPDATE t1 SET b = '';
--error ER_UNKNOWN_ERROR
ROLLBACK TO SAVEPOINT spt1;
--error ER_UNKNOWN_ERROR
UPDATE t1 SET b = 'upd' WHERE a = 10050;
ROLLBACK;
SELECT * FROM t1 ORDER BY pk;

DROP TABLE t1;

--source suite/xengine/include/check_xengine_log_error.inc