Question

I have a table of items.

And a second table of variations.

There can be multiple variations per item.

I’m attempting something like:

SELECT items.*, variations.id from items
JOIN variations
ON variations.item_id = items.id
WHERE variations.id IN (23,25,29)
GROUP BY items.id

Which would return any items that have ALL of the above variations, 23, 25 and 29.

I also need to return all the variations.id values of the returned item.ids.

I’ve tried a heap of different join solutions, but don’t think it’s the way to go. Is a subquery the answer? Any thought would be appreciated greatly.

Answer 1

SELECT  i.*, v.id
FROM    items i
JOIN    variations v
ON      v.item_id = i.id
WHERE   (
        SELECT  COUNT(DISTINCT vi.id)
        FROM    variations vi
        WHERE   vi.item_id = i.id
                AND vi.id IN (23, 25, 29)
        ) = 3