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https://issues.apache.org/jira/browse/DRILL-2719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hanifi Gunes updated DRILL-2719:
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Affects Version/s: 0.8.0
> Behavior of ValueVector#getBuffers(clear) is inconsistent across VV types
> -------------------------------------------------------------------------
>
> Key: DRILL-2719
> URL: https://issues.apache.org/jira/browse/DRILL-2719
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Data Types
> Affects Versions: 0.8.0
> Reporter: Hanifi Gunes
> Assignee: Hanifi Gunes
> Fix For: 0.9.0
>
>
> The major cause of inconsistency here is that reference count does not change
> upon a call to BaseDataVV#getBuffers. However, it does change when the method
> is invoked on a composite vector type. See for instance VariableLengthVV[1]
> or a NullableVV[2].
> The proposal is to make this behavior consistent first and later we can
> consider separating out the logic that clears a vector from the logic that
> returns underlying buffers.
> [1]:
> https://github.com/apache/drill/blob/master/exec/java-exec/src/main/codegen/templates/VariableLengthVectors.java#L151
> [2]:
> https://github.com/apache/drill/blob/master/exec/java-exec/src/main/codegen/templates/NullableValueVectors.java#L82
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