CREATE TABLE t1 (a INT UNSIGNED PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES(42);
connect  con1,localhost,root,,test;
SET DEBUG_SYNC='before_rename_table_commit SIGNAL renamed WAIT_FOR ever';
RENAME TABLE t1 TO t2;
connection default;
SET DEBUG_SYNC='now WAIT_FOR renamed';
disconnect con1;
SELECT * FROM t1;
a
42
DROP TABLE t1;