Quanlong Huang has posted comments on this change. ( http://gerrit.cloudera.org:8080/15403 )
Change subject: IMPALA-6505: Min-Max predicate push down in ORC scanner ...................................................................... Patch Set 2: (1 comment) I'm reviving this patch since ORC-751 is resolved. http://gerrit.cloudera.org:8080/#/c/15403/2/be/src/exec/hdfs-orc-scanner.cc File be/src/exec/hdfs-orc-scanner.cc: http://gerrit.cloudera.org:8080/#/c/15403/2/be/src/exec/hdfs-orc-scanner.cc@978 PS2, Line 978: eval > For parquet, the actual min/max values are available from the MinMaxFilter These are not runtime min-max filters, but BinaryPredicates that can be evaluated on file statistics. They are collected/generated by the planner: https://github.com/apache/impala/blob/caea9d3e14bfe4140221cc22721fb0b038345e9d/fe/src/main/java/org/apache/impala/planner/HdfsScanNode.java#L652 I filed a sperated JIRA for pushing down runtime min-max filters: IMPALA-10878. -- To view, visit http://gerrit.cloudera.org:8080/15403 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: I136622413db21e0941d238ab6aeea901a6464845 Gerrit-Change-Number: 15403 Gerrit-PatchSet: 2 Gerrit-Owner: Norbert Luksa <norbert.lu...@cloudera.com> Gerrit-Reviewer: Anonymous Coward (520) Gerrit-Reviewer: Csaba Ringhofer <csringho...@cloudera.com> Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com> Gerrit-Reviewer: Norbert Luksa <norbert.lu...@cloudera.com> Gerrit-Reviewer: Qifan Chen <qc...@cloudera.com> Gerrit-Reviewer: Quanlong Huang <huangquanl...@gmail.com> Gerrit-Reviewer: Zoltan Borok-Nagy <borokna...@cloudera.com> Gerrit-Comment-Date: Mon, 23 Aug 2021 12:35:42 +0000 Gerrit-HasComments: Yes
