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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/07/02 09:32:04 UTC

[jira] [Commented] (SPARK-8785) Improve Parquet schema merging

    [ https://issues.apache.org/jira/browse/SPARK-8785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14611605#comment-14611605 ] 

Apache Spark commented on SPARK-8785:
-------------------------------------

User 'viirya' has created a pull request for this issue:
https://github.com/apache/spark/pull/7182

> 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
>
> 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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