Merging multiple rows into one row and multiple columns on mysql

Question

I am working in MYSQL and need to extract user data to be pulled into a view. I will be using the data in an email client, so I cannot do this in the app layer.

The

Answer 1

If these are the only columns you are concerned with, this will work for you:

SELECT um.user_id
   , fn.meta_data AS first_name
   , ln.meta_data AS last_name
   , e.meta_data AS email
FROM wp_userMeta AS um
LEFT JOIN wp_user_Meta AS fn ON um.user_id = fn.user_id
   AND fn.meta_key = 'first_name'
LEFT JOIN wp_user_Meta AS ln ON um.user_id = ln.user_id
   AND ln.meta_key = 'last_name'
LEFT JOIN wp_user_Meta AS e ON um.user_id = e.user_id
   AND e.meta_key = 'email'