alamb commented on code in PR #7055: URL: https://github.com/apache/arrow-rs/pull/7055#discussion_r2083113493
########## parquet/src/arrow/array_reader/primitive_array.rs: ########## @@ -261,6 +262,45 @@ where // - date64: cast int32 to date32, then date32 to date64. // - decimal: cast int32 to decimal, int64 to decimal let array = match target_type { + // Using `arrow_cast::cast` has been found to be very slow for converting Review Comment: I briefly looked at others and it wasn't super obvious -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org