sql语句：select sum(case when (ID is null or ID = '') then 1 else 0 end) as num from (select * from TABLE_AAA) tt
报错：sql异常errCode = 2, detailMessage = Unexpected exception: null
使用explain也报错！
doris2.0.4版本，使用case...when语句时，语句中的column=''语法报错执行sql异常errCode = 2, detailMessage = Unexpected exception: null
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2 Answers
show variables like "%ner%"; 看下：
experimental_enable_nereids_planner是true还是false。
打开关闭分别测试下的
