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Get latest conversation with last message per user. (MySQL query)
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SELECT | |
* | |
FROM | |
messages, | |
( | |
SELECT | |
MAX(id) as lastid | |
FROM | |
messages | |
WHERE | |
( | |
messages.to_id = 1 -- ID to compare with (logged in users's ID) | |
OR messages.from_id = 1 -- ID to compare with (logged in users's ID) | |
) | |
GROUP BY | |
CONCAT( | |
LEAST(messages.to_id, messages.from_id), | |
'.', | |
GREATEST(messages.to_id, messages.from_id) | |
) | |
) as conversations | |
WHERE | |
id = conversations.lastid | |
ORDER BY | |
messages.created_at DESC | |
/* Another way using join */ | |
SELECT | |
* | |
FROM messages m | |
INNER JOIN | |
( | |
SELECT MAX(id) as lastid | |
FROM messages | |
WHERE | |
( | |
messages.to = 1 -- ID to compare with (logged in users's ID) | |
OR | |
messages.from_id = 1 -- ID to compare with (logged in users's ID) | |
) | |
GROUP BY | |
CONCAT( | |
LEAST(messages.to_id, messages.from_id), | |
'.', | |
GREATEST(messages.to_id, messages.from_id) | |
) | |
) conversations | |
ON conversations.lastid = m.id | |
ORDER BY | |
m.created_at DESC |
Here is how you can achieve this within Laravel.
https://gist.github.com/hassanrazadev/767046c36aba528918c63bdb8f47ab25
How can i get the number of unread messages that from that user and the receiver is the current loggedUser
thank you a lot
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U saved me ❤️