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https://issues.apache.org/jira/browse/SPARK-27241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liang-Chi Hsieh updated SPARK-27241:
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Description: {{SelectedField}} in nested schema pruning doesn't support
map_keys and map_values now. When map key or map value is complex struct, we
should be able to prune unnecessary fields from keys/values. (was:
{{SelectedField}} in nested schema pruning doesn't support map keys now. When
map key is complex struct, we should be able to prune unnecessary fields from
keys.)
> Add map_keys and map_values support to SelectedField in nested schema pruning
> -----------------------------------------------------------------------------
>
> Key: SPARK-27241
> URL: https://issues.apache.org/jira/browse/SPARK-27241
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Liang-Chi Hsieh
> Priority: Major
>
> {{SelectedField}} in nested schema pruning doesn't support map_keys and
> map_values now. When map key or map value is complex struct, we should be
> able to prune unnecessary fields from keys/values.
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