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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/06/16 05:37:05 UTC
[jira] [Assigned] (SPARK-15983) Remove FileFormat.prepareRead
[ https://issues.apache.org/jira/browse/SPARK-15983?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-15983:
------------------------------------
Assignee: Cheng Lian (was: Apache Spark)
> Remove FileFormat.prepareRead
> -----------------------------
>
> Key: SPARK-15983
> URL: https://issues.apache.org/jira/browse/SPARK-15983
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Cheng Lian
> Assignee: Cheng Lian
>
> Interface method {{FileFormat.prepareRead()}} was added in [PR #12088|https://github.com/apache/spark/pull/12088] to handle a special case in the LibSVM data source.
> However, the semantics of this interface method isn't intuitive: it returns a modified version of the data source options map. Considering that the LibSVM case can be easily handled using schema metadata inside {{inferSchema}}, we can remove this interface method to keep the {{FileFormat}} interface clean.
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