@Override
    public String quoteIdentifier(String identifier) {
        return "`" + identifier + "`";
    }
Reason:
Date: 2018/9/19
Company: www.dtstack.com

@author xuchao
mysql/mysql-side/mysql-all-side/src/main/java/com/dtstack/flink/sql/side/mysql/MysqlAllSideInfo.java