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CREATE TABLE t1 (f1 INTEGER) Engine=InnoDB;
INSERT INTO t1 VALUES (1), (1);
connection node_2;
SET SESSION wsrep_OSU_method = "RSU";
ALTER TABLE t1 ADD PRIMARY KEY (f1);
ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
SET SESSION wsrep_OSU_method = "TOI";
SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE WHERE TABLE_NAME = 't1';
COUNT(*) = 0
1
INSERT INTO t1 VALUES (1);
connection node_1;
SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE WHERE TABLE_NAME = 't1';
COUNT(*) = 0
1
SELECT COUNT(*) = 3 FROM t1;
COUNT(*) = 3
1
INSERT INTO t1 VALUES (1);
connection node_2;
SELECT COUNT(3) = 4 FROM t1;
COUNT(3) = 4
1
DROP TABLE t1;
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