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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/11/24 18:22:11 UTC
[jira] [Commented] (SPARK-11955) Mark one side fields in merging
schema for safely pushdowning filters in parquet
[ https://issues.apache.org/jira/browse/SPARK-11955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15024893#comment-15024893 ]
Apache Spark commented on SPARK-11955:
--------------------------------------
User 'viirya' has created a pull request for this issue:
https://github.com/apache/spark/pull/9940
> Mark one side fields in merging schema for safely pushdowning filters in parquet
> --------------------------------------------------------------------------------
>
> Key: SPARK-11955
> URL: https://issues.apache.org/jira/browse/SPARK-11955
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Liang-Chi Hsieh
>
> Currently we simply skip pushdowning filters in parquet if we enable schema merging.
> However, we can actually mark one side fields in merging schema for safely pushdowning filters in parquet.
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