pkp/pkp-lib#11252 Calculate latest round withing latest stage

[jardakotesovec]

No description provided.

[jardakotesovec]

Here is the query for argmax.. as it might be easier to read:

LEFT JOIN (
    SELECT ramax_stage.submission_id,
           ramax_stage.reviewer_id,
           ramax_stage.latest_stage,
           MAX(ramax_round.round) AS latest_round
    FROM (
        SELECT ramax_stage_inner.reviewer_id,
               ramax_stage_inner.submission_id,
               MAX(ramax_stage_inner.stage_id) AS latest_stage
        FROM review_assignments AS ramax_stage_inner
        WHERE ramax_stage_inner.reviewer_id IN (9)
        GROUP BY ramax_stage_inner.submission_id,
                 ramax_stage_inner.reviewer_id
    ) AS ramax_stage
    INNER JOIN review_assignments AS ramax_round
        ON ramax_stage.submission_id = ramax_round.submission_id
        AND ramax_stage.reviewer_id = ramax_round.reviewer_id
        AND ramax_stage.latest_stage = ramax_round.stage_id
    GROUP BY ramax_stage.submission_id,
             ramax_stage.latest_stage,
             ramax_stage.reviewer_id
) AS agrmax