Untitled query #85405

This query is marked as a draft This query has been published by Robertsky.

SQL

SELECT
    log_actor,
    DATE_FORMAT(log_timestamp, '%Y-%m-%d %H:00:00') AS timestamp,  -- Grouping by hour
    SUM(CASE WHEN log_type = 'delete' and log_action = 'delete' THEN 1 ELSE 0 END) AS deletions,
    SUM(CASE WHEN log_type = 'delete' and log_action = 'restore' THEN 1 ELSE 0 END) AS restorations
FROM
    logging
GROUP BY
    log_actor,
    DATE_FORMAT(log_timestamp, '%Y-%m-%d %H:00:00')
ORDER BY
    log_actor, timestamp;

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