public static NativeFlinkSqlParser getInstance(TableEnvironment tableEnv, String statements) {
        return new NativeFlinkSqlParser(tableEnv, statements);
    }
Get a instance of NativeFlinkSqlParser

@param tableEnv The tableEnv,it is the execution environment of flink sql
@param statements The statements, it is statement set
@return NativeFlinkSqlParser The flink sql parse handler
inlong-sort/sort-core/src/main/java/org/apache/inlong/sort/parser/impl/NativeFlinkSqlParser.java