Tim Armstrong has posted comments on this change. Change subject: IMPALA-4008: Don't bake ExprContext pointers into IR code ......................................................................
Patch Set 3: (1 comment) http://gerrit.cloudera.org:8080/#/c/4390/3/be/src/exec/partitioned-aggregation-node.cc File be/src/exec/partitioned-aggregation-node.cc: Line 157: if (evaluator->input_expr_ctxs().size() == 1) { > I'm really confused by the number of input expr contexts still. Are there a Ok, I figured this out. Some functions like group_concat() take additional arguments. The only reason why this is related to codegen is that codegen support for UDAs wasn't added. So I think we should think about how this would work for UDAs with > 1 input, or at least add a TODO explaining the limitation. -- To view, visit http://gerrit.cloudera.org:8080/4390 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: comment Gerrit-Change-Id: I42039eed803a39fa716b9ed647510b6440974ae5 Gerrit-PatchSet: 3 Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-Owner: Michael Ho <k...@cloudera.com> Gerrit-Reviewer: Michael Ho <k...@cloudera.com> Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com> Gerrit-HasComments: Yes