kimmking edited a comment on issue #4014: Not support JDBC getCatalog URL: https://github.com/apache/incubator-shardingsphere/issues/4014#issuecomment-575965787 @shalousun Actually, mysql&oracle doesn’t support catalog. In an abstract Database model, a db instance contains several catalogs, each catalog contains several schema, every schema have many tables/views and other objects.Then we used to use Database in a specified case instead of the two concepts: catalog&schema. In mysql jdbc driver, the method connection.getCatalog will return databaseName string. We can use null or databaseName(mysql)/userName(oracle) instead of catalog in many methods like your above codes. Further more, sharding jdbc/proxy can wrap and route a logic database to more than one database, so we can't decide which db name should be returned to caller. So, then you will know as a result, sharding jdbc/proxy can't support the feature till now.
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