MassivePizza commented on code in PR #10345:
URL: https://github.com/apache/arrow-rs/pull/10345#discussion_r3614634844
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parquet/src/compression.rs:
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@@ -534,22 +535,31 @@ mod zstd_codec {
output_buf: &mut Vec<u8>,
uncompress_size: Option<usize>,
) -> Result<usize> {
- let capacity = uncompress_size.unwrap_or_else(|| {
- // Get the decompressed size from the zstd frame header
- zstd::zstd_safe::get_frame_content_size(input_buf)
- .ok()
- .flatten()
- .unwrap_or(input_buf.len() as u64 * 4) as usize
+ let offset = output_buf.len();
+ let len = uncompress_size.unwrap_or_else(|| {
Review Comment:
I am not a fan of the "input x 4" when frame size is missing, for the
record, but that would take a lot more effort to address properly.
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