@Override
    public boolean canHandle(String url) {
        return url.startsWith("jdbc:postgresql:");
    }
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