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https://issues.apache.org/jira/browse/HIVE-14542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eugene Koifman updated HIVE-14542:
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Status: Patch Available (was: Open)
> VirtualColumn::equals() should use object equality
> --------------------------------------------------
>
> Key: HIVE-14542
> URL: https://issues.apache.org/jira/browse/HIVE-14542
> Project: Hive
> Issue Type: Improvement
> Reporter: Gopal V
> Assignee: Eugene Koifman
> Priority: Minor
> Attachments: HIVE-14542.patch, virtual-columns.png
>
>
> The VirtualColumn() constructor is private and is only called to initialize 5
> static objects.
> !virtual-columns.png!
> There's no reason for VirtualColumn::equals() to do a deep type inspection
> for each access of a complex type like ROW__ID.
> {code}
> else if(vc.equals(VirtualColumn.ROWID)) {
> if(ctx.getIoCxt().getRecordIdentifier() == null) {
> vcValues[i] = null;
> }
> {code}
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