unsubscribe On Mon, Feb 5, 2018 at 4:27 PM, Xinran Yu Tinney <yuxinran8...@gmail.com> wrote:
> Thanks Alex, should we clarify this in the comment of ExchangNode.java > "Typically, an ExchangeNode only has a single sender child but, > e.g., for distributed union queries an ExchangeNode may have one sender > child per > union operand." > > 2018-02-05 11:53 GMT-06:00 Alexander Behm <alex.b...@cloudera.com>: > > > An exchange node can only have one child > > > > On Mon, Feb 5, 2018 at 9:52 AM, Xinran Yu Tinney <yuxinran8...@gmail.com > > > > wrote: > > > > > Hi, Impala dev, > > > I am working on Jira IMPALA-5440 > > > <https://issues.apache.org/jira/browse/IMPALA-5440> and one of the > > problem > > > is to test that Impala will handle cardinality overflow when there are > > > multiple children under EXCHANGE node. I searched among the examples of > > > .test file and could not find one. I was wondering if anyone has > > experience > > > running such queries? Thanks! > > > > > > > > > Xinran > > > > > >
