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https://issues.apache.org/jira/browse/HIVE-26884?focusedWorklogId=835189&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-835189
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ASF GitHub Bot logged work on HIVE-26884:
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Author: ASF GitHub Bot
Created on: 22/Dec/22 06:11
Start Date: 22/Dec/22 06:11
Worklog Time Spent: 10m
Work Description: ayushtkn opened a new pull request, #3890:
URL: https://github.com/apache/hive/pull/3890
### What changes were proposed in this pull request?
Fix Row Number calculation in Parquet Vectorized V2 reads.
### Why are the changes needed?
Vectorized V2 reads with multiple blocks and some getting filtered leads to
wrong positions being calculated, messing up with the PositionalDeleteFilter
### Does this PR introduce _any_ user-facing change?
Yes, Correct Results with Parquet V2 reads
### How was this patch tested?
On Local Env with subset of data from the actual Env. (Further in progress)
Issue Time Tracking
-------------------
Worklog Id: (was: 835189)
Remaining Estimate: 0h
Time Spent: 10m
> Iceberg: V2 Vectorization returns wrong results with deletes
> ------------------------------------------------------------
>
> Key: HIVE-26884
> URL: https://issues.apache.org/jira/browse/HIVE-26884
> Project: Hive
> Issue Type: Bug
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> In case of Iceberg V2 reads, if we have delete files, and a couple of parquet
> blocks are skipped in that case the row number calculation is screwed and
> that leads to mismatch with delete filter row positions and hence leading to
> wrong results.
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