[jira] [Updated] (HIVE-14514) OrcRecordUpdater should clone writerOptions when creating delete event writers

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-14514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HIVE-14514:
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    Labels: pull-request-available  (was: )

> OrcRecordUpdater should clone writerOptions when creating delete event writers
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-14514
>                 URL: https://issues.apache.org/jira/browse/HIVE-14514
>             Project: Hive
>          Issue Type: Improvement
>          Components: Transactions
>    Affects Versions: 2.2.0
>            Reporter: Saket Saurabh
>            Assignee: Dmitriy Fingerman
>            Priority: Critical
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> When split-update is enabled for ACID, OrcRecordUpdater creates two sets of writers: one for the insert deltas and one for the delete deltas. The deleteEventWriter is initialized with similar writerOptions as the normal writer, except that it has a different callback handler. Due to the lack of copy constructor/ clone() method in writerOptions, the same writerOptions object is mutated to specify a different callback for the delete case. Although, this is harmless for now, but it may become a source of confusion and possible error in future. The ideal way to fix this would be to create a clone() method for writerOptions- however this requires that the parent class of WriterOptions in the OrcFile.WriterOptions should implement Cloneable or provide a copy constructor.



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