INSERT IGNORE INTO cnas_process_method_search_new_file_seq (seq_date, sequence_value) VALUES (#{seqDate}, 0) SELECT sequence_value FROM cnas_process_method_search_new_file_seq WHERE seq_date = #{seqDate} FOR UPDATE SELECT COALESCE(MAX(seq_value), 0) FROM ( SELECT CAST(SUBSTRING(file_no, 9) AS UNSIGNED) AS seq_value FROM cnas_process_method_search_new WHERE file_no REGEXP CONCAT('^', #{prefix}, '[0-9]+$') UNION ALL SELECT CAST(SUBSTRING(file_no, 9) AS UNSIGNED) AS seq_value FROM cnas_process_method_search_new_backups WHERE file_no REGEXP CONCAT('^', #{prefix}, '[0-9]+$') ) numbers UPDATE cnas_process_method_search_new_file_seq SET sequence_value = #{value} WHERE seq_date = #{seqDate}