Загрузка данных

SELECT 
    position('НомерЗапр' in convert_from(fbytes, 'UTF8')) as pos,
    left(convert_from(fbytes, 'UTF8'), 500) as content_start
FROM dev.model_file_to_verification
WHERE id = (
    SELECT model_file_to_verification_id
    FROM report.fns_reference_request_journal
    WHERE smevregisterid = 7618318
    LIMIT 1
)