HIVE-5324 adds new interfaces that can be implemented by ORC reader/writer to provide statistics. Writer provided statistics is used to update table/partition level statistics in metastore. Reader provided statistics can be used for reducer estimation, CBO etc. in the absence of metastore statistics.
|Status||Open [ 1 ]||Patch Available [ 10002 ]|
|Attachment||HIVE-5325-java-only.3.patch.txt [ 12606021 ]|
|Attachment||HIVE-5325.3.patch.txt [ 12606022 ]|
|Status||Patch Available [ 10002 ]||Resolved [ 5 ]|
|Resolution||Fixed [ 1 ]|