in function - MySQL IN problem -

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I am trying to use the value of any other field in IN 

  SELECT type.ID, type of title, auth_users.types type auth_users at auth_users.id IN (8 9) WHERE types.id IN (1,2,3) GROUP BY types Skip the type from .id

works 

  SELECT types.id, title, auth_users.types, visit auth_users at auth_users.id (8 9) WHERE types.id IN (auth_users.types) GROUP BY  
  auth_users.types = 1,2,3  / code>   
 < Div class = "post-text" itemprop = "text"> 
 You need to use the  FIND_IN_SET  - see this question:

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