错误的方式:
case when t.batchid <>' ' and is not null then 1 else 0 end
正确1:
case when (t.batchid <>' ' and t.batchid is not null) then 1 else 0 end
正确2,去掉括号:
case when t.batchid <>' ' and t.batchid is not null then 1 else 0 end
错误的方式:
case when t.batchid <>' ' and is not null then 1 else 0 end
正确1:
case when (t.batchid <>' ' and t.batchid is not null) then 1 else 0 end
正确2,去掉括号:
case when t.batchid <>' ' and t.batchid is not null then 1 else 0 end
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