File: galera_nopk_large_varchar.test

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#
# This checks that even tables with a single long VARCHARcolumn and no FK are replicated properly
#

--source include/galera_cluster.inc
--source include/have_innodb.inc

# From the Innodb manual: "The maximum row length, except for variable-length columns (VARBINARY, VARCHAR, BLOB and TEXT),
# is slightly less than half of a database page. That is, the maximum row length is about 8000 bytes"

CREATE TABLE t1 (f1 VARCHAR(8000)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (NULL),(CONCAT(REPEAT('x', 7999), 'a'));

--connection node_2
SELECT LENGTH(f1) FROM t1;

DELETE FROM t1 WHERE f1 IS NULL;
UPDATE t1 SET f1 = CONCAT(REPEAT('x', 7999), 'b') WHERE f1 = CONCAT(REPEAT('x', 7999), 'a');

--connection node_1
SELECT COUNT(*) = 1 FROM t1;
SELECT LENGTH(f1) = 8000 FROM t1;
SELECT f1 = CONCAT(REPEAT('x', 7999), 'b') FROM t1;

#
# Provoke a conflict
#

--connection node_1
CREATE TABLE t2 (f1 BLOB) ENGINE=InnoDB;
INSERT INTO t2 VALUES (CONCAT(REPEAT('x', 7999), 'a'));

SET AUTOCOMMIT=OFF;
START TRANSACTION;
UPDATE t2 SET f1 = 'abc' WHERE f1 = CONCAT(REPEAT('x', 7999), 'a');

--connection node_2
SET AUTOCOMMIT=OFF;
START TRANSACTION;
UPDATE t2 SET f1 = 'xyz' WHERE f1 = CONCAT(REPEAT('x', 7999), 'a');

--connection node_1
COMMIT;

--connection node_2
--error ER_LOCK_DEADLOCK
COMMIT;

DROP TABLE t1;
DROP TABLE t2;