First, last, and number of curation logs of users with any curation logs since 2015-03-27

SQL

SELECT
    CONCAT('[[User:', user_name, '|]]') AS 'Username',
    DATE_FORMAT(rev_min, '%Y-%m-%d') AS 'First edit',
    user_editcount AS 'Edit count',
    DATE_FORMAT(rev_max, '%Y-%m-%d') AS 'Last edit',
    recent_count AS 'Number of patrols (in time range)',
    DATE_FORMAT(log_min, '%Y-%m-%d') AS 'First patrol (ever)',
    DATE_FORMAT(log_max, '%Y-%m-%d') AS 'Last patrol'
FROM
(
    SELECT log_user AS recent_user, COUNT(*) AS recent_count
    FROM logging_userindex
    WHERE log_type='pagetriage-curation' AND log_timestamp >= 20150327000000
    GROUP BY log_user
) log_recent
LEFT JOIN
(
    SELECT
        log_user,
        MIN(log_timestamp) AS log_min,
        MAX(log_timestamp) AS log_max
    FROM logging_userindex
    WHERE log_type='pagetriage-curation'
    GROUP BY log_user
) log_minmax ON recent_user = log_user
LEFT JOIN
(
    SELECT
        rev_user,
        MIN(rev_timestamp) AS rev_min,
        MAX(rev_timestamp) AS rev_max
    FROM revision_userindex
    GROUP BY rev_user
) rev_minmax ON recent_user = rev_user
LEFT JOIN `user` ON recent_user = user_id;
SQL

Checking query status...
