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https://issues.apache.org/jira/browse/SPARK-17719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15531797#comment-15531797
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Apache Spark commented on SPARK-17719:
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User 'HyukjinKwon' has created a pull request for this issue:
https://github.com/apache/spark/pull/15292
> Unify and tie up options in a single place in JDBC datasource API
> -----------------------------------------------------------------
>
> Key: SPARK-17719
> URL: https://issues.apache.org/jira/browse/SPARK-17719
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Hyukjin Kwon
> Priority: Minor
>
> - JDBC options are arbitrarily located as {{Map[String, String}},
> {{Properties}} and {{JDBCOptions}}. It'd be great if we can unify the usages.
> - Also, there are several options not placed in {{JDBCOptions}} which are,
> {{batchsize}}, {{fetchszie}} and {{isolationlevel}}. It'd be good if we put
> them together.
> - {{batchSize}} and {{isolationLevel}} are undocumented.
> - We could verify and check the argument before actually executing. For
> example, it seems {{fetchsize}} is being checked after execution and it seems
> throwing an exception wrapped by {{SparkException}}.
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