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Add forked Maatkit tools in bin/ and their tests in t/.
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10
t/pt-visual-explain/samples/uncacheable_subquery.sql
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10
t/pt-visual-explain/samples/uncacheable_subquery.sql
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mysql> explain select actor_id, (select @foo := coalesce(@foo, 0) + 1 from sakila.actor) as foo from sakila.actor;
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+----+----------------------+-------+-------+---------------+---------+---------+------+------+-------------+
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| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
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+----+----------------------+-------+-------+---------------+---------+---------+------+------+-------------+
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| 1 | PRIMARY | actor | index | NULL | PRIMARY | 2 | NULL | 200 | Using index |
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| 2 | UNCACHEABLE SUBQUERY | actor | index | NULL | PRIMARY | 2 | NULL | 200 | Using index |
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+----+----------------------+-------+-------+---------------+---------+---------+------+------+-------------+
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2 rows in set (0.00 sec)
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mysql> notee
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