presto-memory/src/main/java/io/prestosql/plugin/memory/TableInfo.java/TableInfo/getMetadata
class TableInfo:    public ConnectorTableMetadata getMetadata()
    {
        return new ConnectorTableMetadata(
                new SchemaTableName(schemaName, tableName),
                columns.stream()
                        .map(ColumnInfo::getMetadata)
                        .collect(Collectors.toList()));
    }