KomachiSion commented on issue #2431: when select no rows, sharding return Cannot invoke method intdiv() on null object URL: https://github.com/apache/incubator-shardingsphere/issues/2431#issuecomment-495070530 Hi @thineagle, the problem is not caused by SQL return null, it should be caused by shardingsphere can't find column `inner_ac_id`. So can you provide your full configuration, SQLs, table metadata? If you used by jpa, entity and repo also need.
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