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SET autocommit = 0;
START TRANSACTION;
INSERT INTO t1 (`id`, `int1`, `int1_key`, `int1_unique`,
`int2`, `int2_key`, `int2_unique`,
`for_update`, `is_uncommitted`, `is_consistent`)
SELECT src.`id`, src.`int1`, src.`int1_key`, src.`int1_unique`,
src.`int2`, src.`int2_key`, src.`int2_unique`,
src.`for_update`, src.`is_uncommitted`, src.`is_consistent`
FROM t1 AS src
WHERE (src.`pk` BETWEEN 1000 AND 1049) AND (src.`id` > 0) AND (src.`is_consistent` = 1) AND (src.`int1_unique` MOD 8 = 0)
ON DUPLICATE KEY UPDATE `int1_unique`= src.`int1_unique` + CONNECTION_ID() + 1000, `int2_unique`= src.`int2_unique` - (CONNECTION_ID()+1000);
*** Updating id and connection_id if we actually inserted something (query log disabled)...
COMMIT;