presto-thrift/src/main/java/io/prestosql/plugin/thrift/ThriftTableMetadata.java/ThriftTableMetadata/toConnectorTableMetadata
class ThriftTableMetadata:    public ConnectorTableMetadata toConnectorTableMetadata()
    {
        return new ConnectorTableMetadata(
                schemaTableName,
                columns,
                ImmutableMap.of(),
                comment);
    }