wgy8283335 commented on issue #4665: order by not support string column when query more than one database URL: https://github.com/apache/incubator-shardingsphere/issues/4665#issuecomment-598591584 I have traced the program and found that exception happened in 'org.apache.shardingsphere.core.execute.sql.execute.result.StreamQueryResult'. ``` @Override public boolean isCaseSensitive(final int columnIndex) throws SQLException { return resultSetMetaData.isCaseSensitive(columnIndex); } ``` The information of exception is below: java.sql.SQLException: Streaming result set com.mysql.jdbc.RowDataDynamic@3a1741d6 is still active. No statements may be issued when any streaming result sets are open and in use on a given connection. Ensure that you have called .close() on any active streaming result sets before attempting more queries.
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