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https://issues.apache.org/jira/browse/SPARK-8785?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Lian updated SPARK-8785:
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Assignee: Liang-Chi Hsieh
> Improve Parquet schema merging
> ------------------------------
>
> Key: SPARK-8785
> URL: https://issues.apache.org/jira/browse/SPARK-8785
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Liang-Chi Hsieh
> Assignee: Liang-Chi Hsieh
>
> Currently, the parquet schema merging (ParquetRelation2.readSchema) may spend
> much time to merge duplicate schema. We can select only non duplicate schema
> and merge them later.
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