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13 lines
612 B
Plaintext
13 lines
612 B
Plaintext
--
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-- osc.t2
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--
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REPLACE INTO `percona`.`checksums` (db, tbl, chunk, chunk_index, lower_boundary, upper_boundary, this_cnt, this_crc) SELECT ?, ?, ?, ?, ?, ?, COUNT(*) AS cnt, COALESCE(LOWER(CONV(BIT_XOR(CAST(CRC32(CONCAT_WS('#', `c`, CONCAT(ISNULL(`c`)))) AS UNSIGNED)), 10, 16)), 0) AS crc FROM `osc`.`t2` FORCE INDEX(`c`) WHERE (((? IS NULL OR `c` >= ?))) AND (((? IS NULL OR `c` <= ?))) ORDER BY `c` /*checksum chunk*/
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SELECT /*!40001 SQL_NO_CACHE */ `c`, `c` FROM `osc`.`t2` FORCE INDEX(`c`) WHERE (((? IS NULL OR `c` >= ?))) ORDER BY `c` LIMIT ?, 2 /*next chunk boundary*/
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1 a,a b,b
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2 b,b d,d
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3 d,d g,g
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