GitHub user huaxingao opened a pull request:
https://github.com/apache/spark/pull/9473
[SPARK-11474][SQL]change fetchSize to fetchsize
In DefaultDataSource.scala, it has
override def createRelation(
sqlContext: SQLContext,
parameters: Map[String, String]): BaseRelation
The parameters is CaseInsensitiveMap.
After this line
parameters.foreach(kv => properties.setProperty(kv._1, kv._2))
properties is set to all lower case key/value pairs and fetchSize becomes
fetchsize.
However, in compute method in JDBCRDD, it has
val fetchSize = properties.getProperty("fetchSize", "0").toInt
so fetchSize value is always 0 and never gets set correctly.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/huaxingao/spark spark-11474
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9473.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #9473
----
commit 31e18562643bc8e4e60dd395f5062e5e3d7660a6
Author: Huaxin Gao <[email protected]>
Date: 2015-11-04T07:28:30Z
[SPARK-11474][SQL]change fetchSize to fetchsize
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