Spracherkennung für: .test vermutete Sprache: SQL {SQL[153] ABAP[85] ADA[68]} [Methode: maximale Elemente, drei Dimensionen]
#
# 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;
[Dauer der Verarbeitung: 0.5 Sekunden]
