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Implement peek_next_page and skip_next_page for `InMemoryColumnCh… #2155

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merged 2 commits into from Jul 26, 2022

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thinkharderdev
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…unkReader`

Which issue does this PR close?

Closes #2129 .

Rationale for this change

What changes are included in this PR?

Are there any user-facing changes?

@github-actions github-actions bot added the parquet Changes to the parquet crate label Jul 24, 2022
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Codecov Report

Merging #2155 (cee1ef8) into master (1621c71) will decrease coverage by 0.08%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #2155      +/-   ##
==========================================
- Coverage   82.85%   82.77%   -0.09%     
==========================================
  Files         237      237              
  Lines       61381    61440      +59     
==========================================
- Hits        50856    50854       -2     
- Misses      10525    10586      +61     
Impacted Files Coverage Δ
parquet/src/arrow/async_reader.rs 0.00% <0.00%> (ø)
arrow/src/datatypes/datatype.rs 62.69% <0.00%> (-0.32%) ⬇️
parquet/src/encodings/encoding.rs 93.43% <0.00%> (-0.20%) ⬇️
parquet_derive/src/parquet_field.rs 65.98% <0.00%> (ø)

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@tustvold tustvold left a comment

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Only a minor nit

Err(nyi_err!("https://github.com/apache/arrow-rs/issues/1792"))
while self.seen_num_values < self.chunk.num_values {
return if let Some(buffered_header) = self.next_page_header.as_ref() {
match buffered_header.type_ {
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Perhaps we could extract this conversion into a From implementation? This would reduce code duplication in this function and potentially elsewhere

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@alamb alamb left a comment

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@Ted-Jiang Ted-Jiang left a comment

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@thinkharderdev Nice work! 👍

@alamb alamb merged commit aeb2776 into apache:master Jul 26, 2022
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ursabot commented Jul 26, 2022

Benchmark runs are scheduled for baseline = 37dd037 and contender = aeb2776. aeb2776 is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
Conbench compare runs links:
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on ec2-t3-xlarge-us-east-2] ec2-t3-xlarge-us-east-2
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on test-mac-arm] test-mac-arm
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on ursa-i9-9960x] ursa-i9-9960x
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on ursa-thinkcentre-m75q] ursa-thinkcentre-m75q
Buildkite builds:
Supported benchmarks:
ec2-t3-xlarge-us-east-2: Supported benchmark langs: Python, R. Runs only benchmarks with cloud = True
test-mac-arm: Supported benchmark langs: C++, Python, R
ursa-i9-9960x: Supported benchmark langs: Python, R, JavaScript
ursa-thinkcentre-m75q: Supported benchmark langs: C++, Java

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Support peek_next_page() and skip_next_page in InMemoryColumnChunkReader
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