Github user chenghao-intel commented on the pull request:
https://github.com/apache/spark/pull/1612#issuecomment-50435389
Actually I am not sure the motivation of this PR, seems fix the bug in line
109 of `JdbcRDD.scala` is enough.
Creating the SchemaRDD from a normal RDD is easy while the `SQLContext`
instance declared, we can write the code like: `jdbcRDD.where(xxx)` directly,
see the implicit function `SQLContext.createSchemaRDD`.
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