[GitHub] [incubator-doris] hwwxg edited a comment on issue #5184: 同一个表应该天然支持cocolate join

[GitBox <gi...@apache.org>]

hwwxg edited a comment on issue #5184:
URL: https://github.com/apache/incubator-doris/issues/5184#issuecomment-752882882


   我发现和是不是同一个表没关系，而是只要条件中带了函数，就会报"colocate: false, reason: Node type not match"，比如
   select count() from (select user_id from t_event where event_name = 'AppOpen' group by user_id having count() > 3) t1 where user_id in (select user_id from t_tag where tag_1 ='male') 
   select count() from (select user_id from t_event where event_name = 'AppOpen' ) t1 where user_id in (select distinct(user_id) from t_tag where tag_1 ='male') 
   
   如果没带函数，就可以走cocolate join，如
   select count() from (select user_id from t_event where event_name = 'AppOpen' ) t1 where user_id in (select user_id from t_tag where tag_1 ='male') 


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