wgtmac commented on code in PR #13901:
URL: https://github.com/apache/arrow/pull/13901#discussion_r1752986047
##########
cpp/src/parquet/properties.h:
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@@ -941,6 +942,18 @@ class PARQUET_EXPORT ArrowReaderProperties {
return coerce_int96_timestamp_unit_;
}
+ /// Enable Parquet supported Arrow ExtensionTypes.
+ ///
+ /// When enabled, Parquet will use supported Arrow ExtensionTypes by mapping
correctly
+ /// mapping them to Arrow types at read time. Currently only
arrow::extension::json()
+ /// extension type is supported. Columns whose LogicalType is JSON will be
interpreted
+ /// as arrow::extension::json() ExtensionType with storage type utf8,
large_utf8 or
Review Comment:
Yes, I think this is a more general question for all string types.
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