Thomas Tauber-Marshall has posted comments on this change. Change subject: DRAFT - IMPALA-5498: Support for partial sorts ......................................................................
Patch Set 1: (2 comments) I haven't looked much at the Planner changes needed, eg. in SortNode.computeResourceProfile, but this patch gives a good idea of the interface changes needed. http://gerrit.cloudera.org:8080/#/c/7267/1/be/src/exec/partial-sort-node.cc File be/src/exec/partial-sort-node.cc: Line 41: Status PartialSortNode::Init(const TPlanNode& tnode, RuntimeState* state) { There's a lot of boiler plate here and in Prepare, Open, and Codegen that could be shared with SortNode. http://gerrit.cloudera.org:8080/#/c/7267/1/fe/src/main/java/org/apache/impala/planner/SortNode.java File fe/src/main/java/org/apache/impala/planner/SortNode.java: Line 65: private final boolean useTopN_; This will be replaced with TSortType.TOPN -- To view, visit http://gerrit.cloudera.org:8080/7267 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: comment Gerrit-Change-Id: Ieec2a15a0cc5240b1c13682067ab64670d1e0a38 Gerrit-PatchSet: 1 Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-Owner: Thomas Tauber-Marshall <tmarsh...@cloudera.com> Gerrit-Reviewer: Thomas Tauber-Marshall <tmarsh...@cloudera.com> Gerrit-HasComments: Yes