public static FlinkSqlParser getInstance(TableEnvironment tableEnv, GroupInfo groupInfo) {
        return new FlinkSqlParser(tableEnv, groupInfo);
    }
Get an instance of FlinkSqlParser

@param tableEnv The tableEnv, it is the execution environment of flink sql
@param groupInfo The groupInfo, it is the data model abstraction of task execution
@return FlinkSqlParser The flink sql parse handler
inlong-sort/sort-core/src/main/java/org/apache/inlong/sort/parser/impl/FlinkSqlParser.java