elbaro commented on issue #5187:
URL:
https://github.com/apache/arrow-datafusion/issues/5187#issuecomment-1418264366
The bug is in parsing a column name.
```rs
println!("{:?}", Column::from_qualified_name("?table?.key"));
```
```rs
Column { relation: None, name: "?table?.key" }
```
The below worked.
```rs
let df = df.select(vec![
col(Column::new(Some("?table?"), "key")).alias("key"),
col(Column::new(Some("?table?"), "size")).alias("size"),
col(Column::new(Some("?table?"),
"last_modified_date")).alias("last_modified_date"),
])?;
```
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