When numPartitions is 0, there is no data in the rdd: so getPartition is
never invoked.
- Mridul
On Friday, September 16, 2016, WangJianfei <wangjianfe...@otcaix.iscas.ac.cn>
wrote:
> if so, we will get exception when the numPartitions is 0.
> def getPartition(key: Any): Int = key match {
> case null => 0
> // case None => 0
> case _ => Utils.nonNegativeMod(key.hashCode, numPartitions)
> }
>
>
>
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