File: lp1276424.test

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#
# LP:1276424 Deadlock with insertion of NULL unique ke
#

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

CREATE TABLE t1 (f1 INT DEFAULT NULL, UNIQUE KEY i1 (f1)) ENGINE=InnoDB;

INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (NULL);

--connection node_2
SELECT COUNT(*) = 2 FROM t1;
SELECT f1 IS NULL FROM t1;

DROP TABLE t1;