alamb commented on code in PR #8350:
URL: https://github.com/apache/arrow-rs/pull/8350#discussion_r2369622082
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arrow-schema/src/field.rs:
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@@ -391,6 +398,49 @@ impl Field {
/// ```
pub fn with_data_type(mut self, data_type: DataType) -> Self {
self.set_data_type(data_type);
+ self.without_extension_type()
Review Comment:
In order to support mapping strings --> types we would have to add some sort
of 'registry' for types I think
IN datafusion we have `SessionState` for this kind of information, but there
is nothing analogous in arrow / parquet that I know of (and I am not sure if
there should be)
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