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https://issues.apache.org/jira/browse/HIVE-14434?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gopal V updated HIVE-14434:
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Attachment: HIVE-14434.1.patch
> Vectorization: BytesBytes lookup capped count can be =0, =1, >=2
> ----------------------------------------------------------------
>
> Key: HIVE-14434
> URL: https://issues.apache.org/jira/browse/HIVE-14434
> Project: Hive
> Issue Type: Improvement
> Components: Vectorization
> Affects Versions: 2.2.0
> Reporter: Gopal V
> Assignee: Gopal V
> Attachments: HIVE-14434.1.patch
>
>
> BytesBytesHashmap does not implement deep counters for the depth of a probe -
> but however it does distinguish between 0, 1 and > 1 rows.
> This information can be used in the vectorized hash join to avoid copying the
> probe side keys.
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