New topics (by month)

data & reporting
1

New topics

Lists all new topics created with a given month, ordered by category and creation_date. The query accepts a ‘months_ago’ parameter. It defaults to 0 to give you the stats for the current month.

-- [params]
-- int :months_ago = 1

WITH query_period as (
    SELECT
        date_trunc('month', CURRENT_DATE) - INTERVAL ':months_ago months' as period_start,
        date_trunc('month', CURRENT_DATE) - INTERVAL ':months_ago months' + INTERVAL '1 month' - INTERVAL '1 second' as period_end
)

SELECT
    t.id as topic_id,
    t.category_id
FROM topics t
RIGHT JOIN query_period qp
    ON t.created_at >= qp.period_start
        AND t.created_at <= qp.period_end
WHERE t.user_id > 0
    AND t.category_id IS NOT NULL
ORDER BY t.category_id, t.created_at DESC