@Override
    public JdbcRowConverter getRowConverter(RowType rowType) {
        return new PostgresRowConverter(rowType);
    }
copy from flink-jdbc
modify upsert statement implement
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/jdbc/src/main/java/org/apache/inlong/sort/jdbc/dialect/TDSQLPostgresDialect.java