Select separate rows from two tables, order by date

Question

I don\'t want to any kind of JOIN here. I\'m building an RSS feed of two tables using PHP, and I want to select all the rows from the two tables, keeping t

Answer 1

Expanding on @Brendan Bullen's suggestion, here's an example using UNION ALL that should work for you:

SELECT id as id, NULL as title, NULL as body, downloads as downloads, 
  views as views, created as created, 'foo' as table_name
FROM foo
UNION ALL
SELECT NULL as id, title as title, body as body, NULL as downloads, 
  NULL as views, created as created, 'bar' as table_name
FROM bar
ORDER BY created ASC

Answer 2

Using dummy columns to account for the different structures, a union to join them and a parent select to handle the ordering:

SELECT * FROM (
    (SELECT foo.id, NULL AS title, NULL AS body, foo.downloads, foo.views, foo.created FROM foo)
    UNION ALL
    (SELECT NULL AS id, bar.title, bar.body, NULL AS downloads, NULL AS views, bar.created FROM bar)
) results
ORDER BY created ASC