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20 lines
1.1 KiB
Plaintext
20 lines
1.1 KiB
Plaintext
--
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-- issue_519.t
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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('#', `i`, `y`, CRC32(`t`), CONCAT(ISNULL(`t`)))) AS UNSIGNED)), 10, 16)), 0) AS crc FROM `issue_519`.`t` FORCE INDEX(`y`) WHERE ((`y` >= ?)) AND ((`y` <= ?)) /*checksum chunk*/
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REPLACE INTO `percona`.`checksums` (db, tbl, chunk, chunk_index, lower_boundary, upper_boundary, this_cnt, this_crc) SELECT ?, ?, ?, ?, ?, ?, COUNT(*), '0' FROM `issue_519`.`t` FORCE INDEX(`y`) WHERE ((`y` < ?)) ORDER BY `y` /*past lower chunk*/
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REPLACE INTO `percona`.`checksums` (db, tbl, chunk, chunk_index, lower_boundary, upper_boundary, this_cnt, this_crc) SELECT ?, ?, ?, ?, ?, ?, COUNT(*), '0' FROM `issue_519`.`t` FORCE INDEX(`y`) WHERE ((`y` > ?)) ORDER BY `y` /*past upper chunk*/
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SELECT /*!40001 SQL_NO_CACHE */ `y` FROM `issue_519`.`t` FORCE INDEX(`y`) WHERE ((`y` >= ?)) ORDER BY `y` LIMIT ?, 2 /*next chunk boundary*/
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1 2000 2002
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2 2003 2005
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3 2006 2008
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4 2009 2010
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5 2000
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6 2010
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