[GitHub] [incubator-shardingsphere] RaigorJiang commented on issue #3518: A table without rules cannot get column information through "show full fields from table name"

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RaigorJiang commented on issue #3518: A table without rules cannot get column information through "show full fields from table name"
URL: https://github.com/apache/incubator-shardingsphere/issues/3518#issuecomment-554835538
 
 
   Hi, @waterMeteors 
   According to the existing logic, when the DAL statement (like show full fields, show create table) cannot find the routing rule, it uses random routing.  so that:
   1,  if the routing database **has** the target table, we will get correct result;
   2, if the routing database **doesn't have** the target table, we will get an error: 'table doesn't exist';
   
   Did you configure the 'defaultDataSourceName'?     
   If you can configure 'defaultDataSourceName', I think we can route to default data source in the case.
   What do you think? 

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