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https://issues.apache.org/jira/browse/HIVE-18211?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ferdinand Xu updated HIVE-18211:
--------------------------------
Resolution: Fixed
Fix Version/s: 3.0.0
Status: Resolved (was: Patch Available)
Pushed to the master.
> Support to read multiple level definition for Map type in Parquet file
> ----------------------------------------------------------------------
>
> Key: HIVE-18211
> URL: https://issues.apache.org/jira/browse/HIVE-18211
> Project: Hive
> Issue Type: Sub-task
> Reporter: Colin Ma
> Assignee: Colin Ma
> Fix For: 3.0.0
>
> Attachments: HIVE-18211.001.patch, HIVE-18211.002.patch
>
>
> For the current implementation with VectorizedParquetRecordReader, only
> following definition for map type is supported:
> {code}
> repeated group map (MAP_KEY_VALUE) {
> required binary key (UTF8); optional binary value (UTF8);}
> }
> {code}
> The implementation should support multiple level definition like:
> {code}
> optional group m1 (MAP) {
> repeated group map (MAP_KEY_VALUE)
> {required binary key (UTF8); optional binary value (UTF8);}
> }
> {code}
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