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        SELECT COUNT(*) as total FROM (
            (SELECT id FROM ***_ecms_news WHERE title LIKE BINARY '%2021全运会%' LIMIT 1000)
            UNION ALL
            (SELECT id FROM ***_ecms_lx WHERE title LIKE BINARY '%2021全运会%' LIMIT 1000)
            UNION ALL
            (SELECT id FROM ***_ecms_jj WHERE title LIKE BINARY '%2021全运会%' LIMIT 1000)
        ) as t