private void dealSideSign(Matcher matcher, AbstractTableInfo tableInfo){
        //FIXME SIDE_TABLE_SIGN current just used as a sign for side table; and do nothing
    }
Reason:
Date: 2018/8/2
Company: www.dtstack.com
@author xuchao
core/src/main/java/com/dtstack/flink/sql/table/AbstractSideTableParser.java