ACTUALIZADO
SELECT user_id,
COALESCE(MIN(CASE WHEN 1 BETWEEN DAY(start_date) AND DAY(end_date) THEN event_id END), 0) `1`,
COALESCE(MIN(CASE WHEN 2 BETWEEN DAY(start_date) AND DAY(end_date) THEN event_id END), 0) `2`,
COALESCE(MIN(CASE WHEN 3 BETWEEN DAY(start_date) AND DAY(end_date) THEN event_id END), 0) `3`,
COALESCE(MIN(CASE WHEN 4 BETWEEN DAY(start_date) AND DAY(end_date) THEN event_id END), 0) `4`,
COALESCE(MIN(CASE WHEN 5 BETWEEN DAY(start_date) AND DAY(end_date) THEN event_id END), 0) `5`,
COALESCE(MIN(CASE WHEN 6 BETWEEN DAY(start_date) AND DAY(end_date) THEN event_id END), 0) `6`,
COALESCE(MIN(CASE WHEN 7 BETWEEN DAY(start_date) AND DAY(end_date) THEN event_id END), 0) `7`,
COALESCE(MIN(CASE WHEN 8 BETWEEN DAY(start_date) AND DAY(end_date) THEN event_id END), 0) `8`,
COALESCE(MIN(CASE WHEN 9 BETWEEN DAY(start_date) AND DAY(end_date) THEN event_id END), 0) `9`,
COALESCE(MIN(CASE WHEN 10 BETWEEN DAY(start_date) AND DAY(end_date) THEN event_id END), 0) `10`,
COALESCE(MIN(CASE WHEN 11 BETWEEN DAY(start_date) AND DAY(end_date) THEN event_id END), 0) `11`,
COALESCE(MIN(CASE WHEN 12 BETWEEN DAY(start_date) AND DAY(end_date) THEN event_id END), 0) `12`,
COALESCE(MIN(CASE WHEN 13 BETWEEN DAY(start_date) AND DAY(end_date) THEN event_id END), 0) `13`,
COALESCE(MIN(CASE WHEN 14 BETWEEN DAY(start_date) AND DAY(end_date) THEN event_id END), 0) `14`,
COALESCE(MIN(CASE WHEN 15 BETWEEN DAY(start_date) AND DAY(end_date) THEN event_id END), 0) `15`
FROM
(
SELECT id, event_id,
CASE WHEN start_date < '2013-03-01' THEN '2013-03-01' ELSE start_date END start_date,
CASE WHEN end_date > '2013-03-31' THEN '2013-03-31' ELSE end_date END end_date,
user_id
FROM events
WHERE (start_date >= '2013-03-01' AND end_date <= '2013-03-31')
OR (start_date < '2013-03-01' AND end_date > '2013-03-31')
OR (start_date < '2013-03-01' AND end_date BETWEEN '2013-03-01' AND '2013-03-31')
OR (start_date BETWEEN '2013-03-01' AND '2013-03-31' AND end_date > '2013-03-31')
) q
GROUP BY user_id
Salida:
| USER_ID | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | ----------------------------------------------------------------------------- | 1 | 0 | 1 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | | 3 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Aquí está SQLFiddle demostración
