Spracherkennung für: .test vermutete Sprache: SQL {SQL[120] ABAP[72] VDM[36]} [Methode: maximale Elemente, drei Dimensionen]
#
# Test multi-table DELETE in the presence of FKs
#
--source include/galera_cluster.inc
--source include/have_innodb.inc
CREATE TABLE t0 (
f0 INT PRIMARY KEY
);
CREATE TABLE t1 (
f1 INT PRIMARY KEY,
f0 INTEGER,
FOREIGN KEY (f0)
REFERENCES t0(f0)
ON DELETE CASCADE
);
INSERT INTO t0 VALUES (0), (1);
INSERT INTO t1 VALUES (0, 0);
INSERT INTO t1 VALUES (1, 0);
--connection node_2
DELETE t0.*, t1.* FROM t0, t1 WHERE t0.f0 = 0 AND t1.f1 = 0;
--connection node_1
SELECT COUNT(*) = 1 FROM t0;
SELECT COUNT(*) = 0 FROM t1;
DROP TABLE t1;
DROP TABLE t0;
[Dauer der Verarbeitung: 0.12 Sekunden]