/usr/lib/mysql-testsuite/r/percona_bug1384568.result is in percona-server-test-5.6 5.6.22-rel71.0-0ubuntu4.
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1 2 3 4 5 6 7 8 9 | CREATE TABLE t(a INT KEY, b BLOB) ENGINE=MyISAM;
SELECT * FROM t x WHERE (a, b) IN ((0, 0), (1,0));
a b
DROP TABLE t;
CREATE TABLE t(a INT KEY, b BLOB) ENGINE=MyISAM;
EXPLAIN SELECT * FROM t x WHERE (a, b) IN ((0, 0), (1,0));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
DROP TABLE t;
|