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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2020/01/06 06:06:19 UTC

[GitHub] [incubator-shardingsphere] KomachiSion commented on issue #3644: part of sharding key in multiple sharding strategy can not null

KomachiSion commented on issue #3644: part of sharding key in multiple sharding strategy  can not null
URL: https://github.com/apache/incubator-shardingsphere/issues/3644#issuecomment-571016726
 
 
   Hi @zhuyaoming, in my opinion, The sharding column in ShardingSphere is similar to the primary key, which should can locate the DataNode accurately.
   Value `null` for sharding column may cause ambiguity, and it strongly depend on users implements, So ShardingSphere do not support `null` for sharding column in `Insert SQL`.

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