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https://issues.apache.org/jira/browse/IMPALA-7889?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gabor Kaszab updated IMPALA-7889:
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Fix Version/s: Impala 3.2.0
> Write new logical types in Parquet
> ----------------------------------
>
> Key: IMPALA-7889
> URL: https://issues.apache.org/jira/browse/IMPALA-7889
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Csaba Ringhofer
> Assignee: Csaba Ringhofer
> Priority: Major
> Labels: parquet
> Fix For: Impala 3.2.0
>
>
> Parquet added LogicalTypeAnnotation as a new way to express metadata about
> columns. For types that already exist, the old way (ConvertedType) should be
> also written to remain compatible with older readers, but new types (like
> int64 nano) are only added as LogicalTypeAnnotation.
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