Alex Behm has posted comments on this change. ( http://gerrit.cloudera.org:8080/9017 )
Change subject: IMPALA-6388: Fix the Union node number of hosts estimation ...................................................................... Patch Set 1: (1 comment) http://gerrit.cloudera.org:8080/#/c/9017/1/testdata/workloads/functional-planner/queries/PlannerTest/resource-requirements.test File testdata/workloads/functional-planner/queries/PlannerTest/resource-requirements.test: http://gerrit.cloudera.org:8080/#/c/9017/1/testdata/workloads/functional-planner/queries/PlannerTest/resource-requirements.test@3563 PS1, Line 3563: select coalesce(int_col, int_col) from functional.alltypes > We want to force the first union operand to be not passthrough. In the othe Why? If both operands are passthrough, then the order would stay the same right? -- To view, visit http://gerrit.cloudera.org:8080/9017 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: I51e1ecca8dbc84b2b5a72708667b2799d00279f0 Gerrit-Change-Number: 9017 Gerrit-PatchSet: 1 Gerrit-Owner: Taras Bobrovytsky <tbobrovyt...@cloudera.com> Gerrit-Reviewer: Alex Behm <alex.b...@cloudera.com> Gerrit-Reviewer: Taras Bobrovytsky <tbobrovyt...@cloudera.com> Gerrit-Comment-Date: Fri, 12 Jan 2018 21:14:08 +0000 Gerrit-HasComments: Yes
