@Override
    public boolean isVirtual(MetaField metaField) {
        return true;
    }
generate table options

@return options
@see <a href="https://ververica.github.io/flink-cdc-connectors/master/content/connectors/postgres-cdc.html">postgres
cdc</a>
inlong-sort/sort-common/src/main/java/org/apache/inlong/sort/protocol/node/extract/PostgresExtractNode.java