Wenzhe Zhou has posted comments on this change. ( http://gerrit.cloudera.org:8080/17842 )
Change subject: IMPALA-5741: Initial support for reading tiny RDBMS tables ...................................................................... Patch Set 28: (4 comments) http://gerrit.cloudera.org:8080/#/c/17842/27//COMMIT_MSG Commit Message: http://gerrit.cloudera.org:8080/#/c/17842/27//COMMIT_MSG@13 PS27, Line 13: - It is not distributed, e.g, fregment is unpartitioned. The queries > Unclear what this actually means. Queries executed on the coordinator? The fragment is unpartitioned, one instance for each query, and queries are executed on coordinator. The Plan is like: F00:PLAN FRAGMENT [UNPARTITIONED] hosts=1 instances=1 | Per-Host Resources: mem-estimate=1.00GB mem-reservation=4.00MB thread-reservation=1 PLAN-ROOT SINK | output exprs: id, bool_col, Int_col | mem-estimate=4.00MB mem-reservation=4.00MB spill-buffer=2.00MB thread-reservation=0 | 00:SCAN DATA SOURCE [functional.alltypes_jdbc_datasource] limit: 10 http://gerrit.cloudera.org:8080/#/c/17842/27//COMMIT_MSG@14 PS27, Line 14: are executed on coordinator. > Change wording: fixed. http://gerrit.cloudera.org:8080/#/c/17842/27//COMMIT_MSG@16 PS27, Line 16: are not supported: > Will between/in/like planned be supported in the future? Yes http://gerrit.cloudera.org:8080/#/c/17842/27//COMMIT_MSG@43 PS27, Line 43: > Does this require mincluster restart? No -- To view, visit http://gerrit.cloudera.org:8080/17842 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: I8244e978c7717c6f1452f66f1630b6441392e7d2 Gerrit-Change-Number: 17842 Gerrit-PatchSet: 28 Gerrit-Owner: Fucun Chu <[email protected]> Gerrit-Reviewer: Abhishek Rawat <[email protected]> Gerrit-Reviewer: Anonymous Coward <[email protected]> Gerrit-Reviewer: Csaba Ringhofer <[email protected]> Gerrit-Reviewer: Fucun Chu <[email protected]> Gerrit-Reviewer: Impala Public Jenkins <[email protected]> Gerrit-Reviewer: Kurt Deschler <[email protected]> Gerrit-Reviewer: Quanlong Huang <[email protected]> Gerrit-Reviewer: Riza Suminto <[email protected]> Gerrit-Reviewer: Wenzhe Zhou <[email protected]> Gerrit-Comment-Date: Mon, 09 Oct 2023 18:21:05 +0000 Gerrit-HasComments: Yes
