comphead commented on code in PR #13576:
URL: https://github.com/apache/datafusion/pull/13576#discussion_r1880549113
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datafusion/common/src/config.rs:
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@@ -470,7 +478,7 @@ config_namespace! {
/// delta_byte_array, rle_dictionary, and byte_stream_split.
/// These values are not case sensitive. If NULL, uses
/// default parquet writer setting
- pub encoding: Option<String>, default = None
+ pub encoding: Option<String>, transform = str::to_lowercase, default =
None
Review Comment:
I feel it would be useful to describe the transform field in this case and
other cases where `transform` has been introduced
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