SELECT
    date,
    pos,
    author,
    message,
    ts_headline('russian', message, q, 'HighlightAll = true, StartSel = "", StopSel = ""') AS body
FROM
    logs,
    plainto_tsquery('russian', $1) AS q
WHERE
    to_tsvector('russian', message) @@ q
    AND NOT author = ANY ($2)
ORDER BY
    date ASC,
    pos DESC
LIMIT 2000