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https://issues.apache.org/jira/browse/ORC-373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prasanth Jayachandran reassigned ORC-373:
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> Option to disable dictionary encoding
> --------------------------------------
>
> Key: ORC-373
> URL: https://issues.apache.org/jira/browse/ORC-373
> Project: ORC
> Issue Type: Bug
> Affects Versions: 1.5.2
> Reporter: Prasanth Jayachandran
> Assignee: Prasanth Jayachandran
> Priority: Major
>
> Currently dictionary check happens after first creating first row group
> entry. Even when row indexes are disabled, rows end up in red-black tree
> first before getting flushed during write stripe.
> If dictionary threshold is set to <= 0.0 disable dictionary and write
> directly to stream. This is useful for hive streaming ingest where delta
> files explicitly disables dictionaries.
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