[GitHub] [shardingsphere] Superainbower edited a comment on issue #11437: The result isn't right in Row to Column scenario

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

Superainbower edited a comment on issue #11437:
URL: https://github.com/apache/shardingsphere/issues/11437#issuecomment-895075521


   The error log is Function '{fn ifnull}' is not defined
   I refer to your suggestion, but you said ss will do it, it make me confused
   
   We need to rewrite the SQL to the following format:
   SELECT order_id, {fn IFNULL(SUM(cnt), 0)} AS totoal FROM (
   	SELECT order_id, user_id, COUNT(1) AS cnt FROM t_order GROUP BY order_id, user_id
   ) a GROUP BY order_id;
   


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