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4513
(b) we also release possible 'SQL statement level resources' InnoDB may
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4514
have for this SQL statement. The MySQL interpreter does NOT execute
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4515
autocommit for pure read transactions, though it should. That is why the
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4518
B) If the user has explicitly set MySQL table level locks, then MySQL
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4519
does NOT call ::external_lock at the start of the statement. To determine