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1efdd5a572
(and to follow the naming conventons). keep old debug variable, but mark it as deprecated.
11 lines
406 B
Text
11 lines
406 B
Text
set session debug_dbug="+d,optimizer_innodb_icp";
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CREATE TABLE t1(c1 TIME NOT NULL, c2 TIME NULL, c3 DATE, PRIMARY
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KEY(c1), UNIQUE INDEX(c2)) engine=innodb;
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INSERT INTO t1 VALUES('8:29:45',NULL,'2009-02-01');
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SELECT * FROM t1 WHERE c2 <=> NULL ORDER BY c2 LIMIT 2;
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c1 c2 c3
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08:29:45 NULL 2009-02-01
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SELECT * FROM t1 WHERE c2 <=> NULL ORDER BY c2 LIMIT 2;
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c1 c2 c3
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08:29:45 NULL 2009-02-01
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drop table `t1`;
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