Jefffrey commented on issue #6845:
URL:
https://github.com/apache/arrow-datafusion/issues/6845#issuecomment-1632369943
Seems root cause is how when searching for the column to rename, `Package`,
you need to ensure the string you passed in is properly quoted as noted in the
original issue:
```rust
.with_column_renamed("\"Package\"", "package")
```
Since otherwise it'll look for column `package` which doesn't exist.
https://github.com/apache/arrow-datafusion/blob/d6985b0fc1e4362b80beea059857c6bde65b4d04/datafusion/core/src/dataframe.rs#L1015-L1029
Maybe make the search for the field on line 1022, `field_from_column(...)`
more smarter by allowing to do case insensitive match as fallback if can't find
an exact match?
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