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https://issues.apache.org/jira/browse/IMPALA-5748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Becker reassigned IMPALA-5748:
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Assignee: Daniel Becker
> Switch all Parquet column readers to the batched interface
> ----------------------------------------------------------
>
> Key: IMPALA-5748
> URL: https://issues.apache.org/jira/browse/IMPALA-5748
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Affects Versions: Impala 2.10.0
> Reporter: Lars Volker
> Assignee: Daniel Becker
> Priority: Major
> Labels: complextype, parquet
>
> As a prerequisite for IMPALA-5185, we should switch the
> CollectionColumnReader to materialize collections using the batched
> interface. Afterwards we can remove the single-value interface. We should
> also try to remove the calls from {{ParquetColumnReader}} to
> {{HdfsParquetScanner::AssembleCollection()}}.
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