Hi ShardingSphere Team:

I want to ask a question.


If the databases or tables are sharding, ShardingSphere will load the tables 
MetaData, but if they aren’t not sharding, e.g only master-slave, 
ShardingSphere will not load the tables MetaData.


I read the source code.


org.apache.shardingsphere.shardingproxy.backend.schema.impl.MasterSlaveSchema.java


I find a “TODO” describe in the construct method.
“// TODO we should remove it after none-sharding parsingEngine completed."


And what is the "none-sharding parsingEngine”, and when does it completed?


Thanks.
Zonglei Dong
Apache ShardingSphere

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