Return-Path: X-Original-To: apmail-spark-reviews-archive@minotaur.apache.org Delivered-To: apmail-spark-reviews-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 8F44618828 for ; Wed, 16 Dec 2015 20:21:34 +0000 (UTC) Received: (qmail 26666 invoked by uid 500); 16 Dec 2015 20:21:34 -0000 Delivered-To: apmail-spark-reviews-archive@spark.apache.org Received: (qmail 26649 invoked by uid 500); 16 Dec 2015 20:21:34 -0000 Mailing-List: contact reviews-help@spark.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list reviews@spark.apache.org Received: (qmail 26632 invoked by uid 99); 16 Dec 2015 20:21:34 -0000 Received: from git1-us-west.apache.org (HELO git1-us-west.apache.org) (140.211.11.23) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 16 Dec 2015 20:21:34 +0000 Received: by git1-us-west.apache.org (ASF Mail Server at git1-us-west.apache.org, from userid 33) id 26F82E00BB; Wed, 16 Dec 2015 20:21:34 +0000 (UTC) From: hvanhovell To: reviews@spark.apache.org Reply-To: reviews@spark.apache.org References: In-Reply-To: Subject: [GitHub] spark pull request: [Spark-12374][SPARK-12150][SQL] Adding logical... Content-Type: text/plain Message-Id: <20151216202134.26F82E00BB@git1-us-west.apache.org> Date: Wed, 16 Dec 2015 20:21:34 +0000 (UTC) Github user hvanhovell commented on a diff in the pull request: https://github.com/apache/spark/pull/10335#discussion_r47828506 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicOperators.scala --- @@ -210,6 +210,37 @@ case class Sort( override def output: Seq[Attribute] = child.output } +case class Range( + start: Long, + end: Long, + step: Long, + numSlices: Int) extends LeafNode { + require(step != 0, "step cannot be 0") + val numElements: BigInt = { + val safeStart = BigInt(start) + val safeEnd = BigInt(end) + if ((safeEnd - safeStart) % step == 0 || safeEnd > safeStart ^ step > 0) { --- End diff -- ```xor```s are typically really hard to follow. I think this might be easier: ```safeEnd > safeStart == step > 0``` --- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastructure@apache.org or file a JIRA ticket with INFRA. --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscribe@spark.apache.org For additional commands, e-mail: reviews-help@spark.apache.org