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Posted to commits@pinot.apache.org by "klsince (via GitHub)" <gi...@apache.org> on 2024/06/10 19:31:21 UTC

[PR] Revert "support deleteColumn for compactionTask by extending the record reader [pinot]

klsince opened a new pull request, #13351:
URL: https://github.com/apache/pinot/pull/13351

   As analyzed in https://github.com/apache/pinot/pull/13347, it's not right to drop 'delete record' in compaction task, as that'd remove 'delete record' too soon, making the deleted records in older segments to be visible to queries again under some cases, e.g. when the server has to load old segments w/o the valid doc snapshots


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Re: [PR] Revert "support deleteColumn for compactionTask by extending the record reader [pinot]

Posted by "klsince (via GitHub)" <gi...@apache.org>.
klsince commented on PR #13351:
URL: https://github.com/apache/pinot/pull/13351#issuecomment-2159321440

   > (minor) We might want to keep the first 2 files unchanged since we are reverting some valid formatting change 
   
   Will keep this PR as a pure revert PR. and I'll open another PR for this, and will include the extension for the CompactedPinotSegmentRecordReader, as there are cases we'd know it's safe to skip 'delete record'.


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Re: [PR] Revert "support deleteColumn for compactionTask by extending the record reader [pinot]

Posted by "codecov-commenter (via GitHub)" <gi...@apache.org>.
codecov-commenter commented on PR #13351:
URL: https://github.com/apache/pinot/pull/13351#issuecomment-2159196572

   ## [Codecov](https://app.codecov.io/gh/apache/pinot/pull/13351?dropdown=coverage&src=pr&el=h1&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache) Report
   Attention: Patch coverage is `0%` with `9 lines` in your changes missing coverage. Please review.
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   | [...ent/readers/CompactedPinotSegmentRecordReader.java](https://app.codecov.io/gh/apache/pinot/pull/13351?src=pr&el=tree&filepath=pinot-segment-local%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fpinot%2Fsegment%2Flocal%2Fsegment%2Freaders%2FCompactedPinotSegmentRecordReader.java&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache#diff-cGlub3Qtc2VnbWVudC1sb2NhbC9zcmMvbWFpbi9qYXZhL29yZy9hcGFjaGUvcGlub3Qvc2VnbWVudC9sb2NhbC9zZWdtZW50L3JlYWRlcnMvQ29tcGFjdGVkUGlub3RTZWdtZW50UmVjb3JkUmVhZGVyLmphdmE=) | 0.00% | [2 Missing :warning: ](https://app.codecov.io/gh/apache/pinot/pull/13351?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache) |
   
   <details><summary>Additional details and impacted files</summary>
   
   
   ```diff
   @@              Coverage Diff              @@
   ##             master   #13351       +/-   ##
   =============================================
   - Coverage     61.75%    0.00%   -61.76%     
   =============================================
     Files          2436     2472       +36     
     Lines        133233   136241     +3008     
     Branches      20636    21159      +523     
   =============================================
   - Hits          82274        0    -82274     
   - Misses        44911   136241    +91330     
   + Partials       6048        0     -6048     
   ```
   
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Re: [PR] Revert "support deleteColumn for compactionTask by extending the record reader [pinot]

Posted by "klsince (via GitHub)" <gi...@apache.org>.
klsince merged PR #13351:
URL: https://github.com/apache/pinot/pull/13351


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