[ https://issues.apache.org/jira/browse/KYLIN-3669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16701336#comment-16701336 ]
ASF subversion and git services commented on KYLIN-3669: -------------------------------------------------------- Commit 48a2bec01caa7b764d55bfa74b3da5a4936c598d in kylin's branch refs/heads/2.5.x-hadoop3.1 from [~Aron.tao] [ https://gitbox.apache.org/repos/asf?p=kylin.git;h=48a2bec ] KYLIN-3669, add log to indicate the case when using GTStreamAggregateScanner. > Add log to GTStreamAggregateScanner > ----------------------------------- > > Key: KYLIN-3669 > URL: https://issues.apache.org/jira/browse/KYLIN-3669 > Project: Kylin > Issue Type: Improvement > Components: Query Engine > Reporter: Jiatao Tao > Assignee: Jiatao Tao > Priority: Trivial > Fix For: v2.5.2 > > > There's no log printing in GTStreamAggregateScanner, and you know nothing > about whether you go to this path or not, it's pretty unfriendly for trouble > shooting. > Code in _SegmentCubeTupleIterator_. > {code:java} > boolean hasMultiplePartitions = records instanceof > SortMergedPartitionResultIterator; > if (hasMultiplePartitions && context.isStreamAggregateEnabled()) { > ... > // input records are ordered, leverage stream aggregator to produce > possibly fewer records > try (GTStreamAggregateScanner aggregator = new > GTStreamAggregateScanner(inputScanner, scanRequest)) { > result = aggregator.valuesIterator(gtDimsIdx, gtMetricsIdx); > } catch (IOException ioe) { > // implementation of close method of anonymous IGTScanner is empty, > no way throw exception > throw new IllegalStateException("IOException is not expected here.", > ioe); > } > return result; > } > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)