zhuyaoming edited a comment on issue #3644: shardingvalue cannot Null ? URL: https://github.com/apache/incubator-shardingsphere/issues/3644#issuecomment-562053413 > Maybe we do not need talk about business logic here, we just make sure if we permit `null` for sharding value, which data node should the data inserted into? other sharding column(tenant_id,customer_id) can known data node.
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