[GitHub] [incubator-shardingsphere] caszhou commented on issue #2527: Get error when call ResultSetReturnedDatabaseMetaData.getActualTableNamePattern

[GitBox <gi...@apache.org>]

caszhou commented on issue #2527: Get error when call ResultSetReturnedDatabaseMetaData.getActualTableNamePattern
URL: https://github.com/apache/incubator-shardingsphere/issues/2527#issuecomment-500806883
 
 
   @KomachiSion I'm using master-slave modal, no sharding rules.
   
   I look into MasterSlaveDataSource, see
   
   `
       private DatabaseMetaData createCachedDatabaseMetaData(final Map<String, DataSource> dataSourceMap) throws SQLException {
           try (Connection connection = dataSourceMap.values().iterator().next().getConnection()) {
               return new CachedDatabaseMetaData(connection.getMetaData(), dataSourceMap, null);
           }
       }
   `
   
   when instance CachedDatabaseMetaData, the sharding rule is always null.

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