robskrob :
Hi I have a SQL question. I am trying to get the rows of posts that do not have a corresponding s3 bucket row in another table. Here is the query I have which will get me the posts that have an associated row in the s3 bucket table.
SELECT * FROM wp_posts
INNER JOIN wp_as3cf_items
ON wp_as3cf_items.source_id = wp_posts.id
WHERE wp_posts.post_type = 'attachment';
What SQL can I write that will return the wp_posts rows that are of post_type attachment that do not have a an associate s3 row?
Gordon Linoff :
Use not exists:
SELECT p.*
FROM wp_posts p
WHERE NOT EXISTS (SELECT 1
FROM wp_as3cf_items i
WHERE i.source_id = p.id
) AND
p.post_type = 'attachment';
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