Marcel Kornacker has posted comments on this change. Change subject: IMPALA-5036: Parquet count star optimization ......................................................................
Patch Set 1: (1 comment) http://gerrit.cloudera.org:8080/#/c/6812/1/testdata/workloads/functional-planner/queries/PlannerTest/parquet-stats-agg.test File testdata/workloads/functional-planner/queries/PlannerTest/parquet-stats-agg.test: Line 34: | output: sum_zero_if_empty(functional_parquet.alltypes.parquet-stats: num_rows) i don't know what this means. could we reference 'count(*)' directly? that's going to be more intuitive than <some function over>(num_rows) -- To view, visit http://gerrit.cloudera.org:8080/6812 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: comment Gerrit-Change-Id: I536b85c014821296aed68a0c68faadae96005e62 Gerrit-PatchSet: 1 Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-Owner: Taras Bobrovytsky <[email protected]> Gerrit-Reviewer: Alex Behm <[email protected]> Gerrit-Reviewer: Lars Volker <[email protected]> Gerrit-Reviewer: Marcel Kornacker <[email protected]> Gerrit-HasComments: Yes
