Xianqing He has uploaded a new patch set (#7). ( http://gerrit.cloudera.org:8080/18711 )
Change subject: IMPALA-11418: The only select constant statement need not to spool results ...................................................................... IMPALA-11418: The only select constant statement need not to spool results A statement that only selects constant does not need to spool query results. This query can execute with no reservation, but if enable result spooling it will set the minimum memory reservation in PlanRootSink, e.g. 'select 1' minimum memory reservation is 4MB. The only select constant statement with no reservation also reduce the exception 'Failed to get minimum memory reservation' if the host memory limit not available. Testing: - Add tests in result-spooling.test Change-Id: Icd4d73c21106048df68a270cf03d4abd56bd3aac --- M fe/src/main/java/org/apache/impala/analysis/AnalysisContext.java M fe/src/main/java/org/apache/impala/analysis/SelectStmt.java M testdata/workloads/functional-planner/queries/PlannerTest/result-spooling.test 3 files changed, 72 insertions(+), 0 deletions(-) git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/11/18711/7 -- To view, visit http://gerrit.cloudera.org:8080/18711 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: newpatchset Gerrit-Change-Id: Icd4d73c21106048df68a270cf03d4abd56bd3aac Gerrit-Change-Number: 18711 Gerrit-PatchSet: 7 Gerrit-Owner: Xianqing He <hexianqing...@126.com> Gerrit-Reviewer: Aman Sinha <amsi...@cloudera.com> Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com> Gerrit-Reviewer: Quanlong Huang <huangquanl...@gmail.com> Gerrit-Reviewer: Riza Suminto <riza.sumi...@cloudera.com> Gerrit-Reviewer: Xianqing He <hexianqing...@126.com>
