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On Mon, Feb 5, 2018 at 3:30 PM, Fernando Rodriguez <[email protected]> wrote: > unsubscribe > > On Mon, Feb 5, 2018 at 4:27 PM, Xinran Yu Tinney <[email protected]> > 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 <[email protected]>: >> >> > An exchange node can only have one child >> > >> > On Mon, Feb 5, 2018 at 9:52 AM, Xinran Yu Tinney <[email protected] >> > >> > 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 >> > > >> > >>
