Table structure for PHP friendship systems

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Table structure for PHP friendship systems

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#1 by (2 votes)

2

I am developing a friends system in my system and would like to know how best to organize the table that will take care of such records amigos :

I've thought of something like this:

Tabela "amigos" (apenas 3 colunas)
-----------------------------------
   id | usuario | usuarioamigo

But I do not know if this is the best way to do it, let alone how you could do the query relationship to know if a user is friends with another user.

What is the best way to do this and how to do it?

php

asked by anonymous 25.04.2015 / 17:46

1 answer

Get information from user $ _SERVER via socket Difference between Merge () and getInstace () in JPA / Hibernate

score 2 · Accepted Answer

This is the simplest form having user and friend . In the query you check whether User ID matches the Friend ID and vice versa, either usuario or usuarioamigo

select * from amigos
where ( usuario = $IDUser or usuarioamigo = $IDUser )
  and ( usuario = $amigo  or usuarioamigo = $amigo  )

reference 1 , reference 2