wangyang 026eb90644 [SPARK-15875] Try to use Seq.isEmpty and Seq.nonEmpty instead of Seq.length == 0 and Seq.length > 0 ... ## What changes were proposed in this pull request? In scala, immutable.List.length is an expensive operation so we should avoid using Seq.length == 0 or Seq.lenth > 0, and use Seq.isEmpty and Seq.nonEmpty instead. ## How was this patch tested? existing tests Author: wangyang <wangyang@haizhi.com> Closes #13601 from yangw1234/isEmpty.		2016-06-10 13:10:03 -07:00
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src	[SPARK-15875] Try to use Seq.isEmpty and Seq.nonEmpty instead of Seq.length == 0 and Seq.length > 0	2016-06-10 13:10:03 -07:00
pom.xml	[SPARK-15290][BUILD] Move annotations, like @Since / @DeveloperApi, into spark-tags	2016-05-17 09:55:53 +01:00