Create a Network chart of your forum - data visualization

[riking (Kane York)]

SELECT liker liker_user_id, liked liked_user_id, count(*)
FROM pairs, group_users AS a, groups AS b

Replace these two lines with this to have the usernames instead:

SELECT u1.username_lower liker_username, u2.username_lower liked_username, count(*)
FROM pairs, group_users AS a, groups AS b
LEFT JOIN users u1 ON u1.id = liker
LEFT JOIN users u2 ON u2.id = liked