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https://issues.apache.org/jira/browse/SPARK-4522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14220220#comment-14220220
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Apache Spark commented on SPARK-4522:
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User 'marmbrus' has created a pull request for this issue:
https://github.com/apache/spark/pull/3392
> Failure to read parquet schema with missing metadata.
> -----------------------------------------------------
>
> Key: SPARK-4522
> URL: https://issues.apache.org/jira/browse/SPARK-4522
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Michael Armbrust
> Assignee: Michael Armbrust
> Priority: Critical
>
> Our JSON parsing code is very strict and will fail, even if optional fields
> like metadata are missing. This means that people who are reading parquet
> files written with code from between 1.1 and 1.2 might loose type information
> for no reason.
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