Ted-Jiang commented on code in PR #2460:
URL: https://github.com/apache/arrow-rs/pull/2460#discussion_r946552003
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parquet/src/file/serialized_reader.rs:
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@@ -667,12 +742,32 @@ impl<T: Read + Send> PageReader for
SerializedPageReader<T> {
fn skip_next_page(&mut self) -> Result<()> {
match &mut self.buf {
- SerializedPages::Chunk { .. } => { Err(general_err!("Must set
page_offset_index when using skip_next_page in SerializedPageReader.")) }
- SerializedPages::Pages { offset_index, seen_num_data_pages, .. }
=> {
+ SerializedPages::Chunk {
+ next_page_header,
+ buf,
+ } => {
+ if let Some(header) = next_page_header.take() {
+ let to_skip = header.compressed_page_size;
+ let mut buffer = Vec::with_capacity(to_skip as usize);
+ buf.read_exact(&mut buffer)?;
Review Comment:
I try to implement seek for the `PageReader`, there are two types 'File' and
'tokio::bytes' need process.
But the 'tokio::bytes' not impl `std::io::seek`.
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