KYLIN-2134 dont reuse Object[] returned to calcite
Project: http://git-wip-us.apache.org/repos/asf/kylin/repo Commit: http://git-wip-us.apache.org/repos/asf/kylin/commit/5d1db92b Tree: http://git-wip-us.apache.org/repos/asf/kylin/tree/5d1db92b Diff: http://git-wip-us.apache.org/repos/asf/kylin/diff/5d1db92b Branch: refs/heads/yang21-cdh5.7 Commit: 5d1db92bea3bc05f02ca4e411100d58526a51cdf Parents: 5e3ea3c Author: Li Yang <liy...@apache.org> Authored: Thu Oct 27 17:09:22 2016 +0800 Committer: Li Yang <liy...@apache.org> Committed: Thu Oct 27 17:10:53 2016 +0800 ---------------------------------------------------------------------- .../kylin/storage/gtrecord/SegmentCubeTupleIterator.java | 4 ---- .../org/apache/kylin/query/enumerator/OLAPEnumerator.java | 8 ++++---- 2 files changed, 4 insertions(+), 8 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/kylin/blob/5d1db92b/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/SegmentCubeTupleIterator.java ---------------------------------------------------------------------- diff --git a/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/SegmentCubeTupleIterator.java b/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/SegmentCubeTupleIterator.java index 61267ae..00ba247 100644 --- a/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/SegmentCubeTupleIterator.java +++ b/core-storage/src/main/java/org/apache/kylin/storage/gtrecord/SegmentCubeTupleIterator.java @@ -37,8 +37,6 @@ import org.apache.kylin.storage.StorageContext; import org.slf4j.Logger; import org.slf4j.LoggerFactory; -import com.google.common.base.Preconditions; - public class SegmentCubeTupleIterator implements ITupleIterator { private static final Logger logger = LoggerFactory.getLogger(SegmentCubeTupleIterator.class); @@ -98,8 +96,6 @@ public class SegmentCubeTupleIterator implements ITupleIterator { } GTRecord curRecord = gtItr.next(); - Preconditions.checkNotNull(cubeTupleConverter); - // translate into tuple advMeasureFillers = cubeTupleConverter.translateResult(curRecord, tuple); http://git-wip-us.apache.org/repos/asf/kylin/blob/5d1db92b/query/src/main/java/org/apache/kylin/query/enumerator/OLAPEnumerator.java ---------------------------------------------------------------------- diff --git a/query/src/main/java/org/apache/kylin/query/enumerator/OLAPEnumerator.java b/query/src/main/java/org/apache/kylin/query/enumerator/OLAPEnumerator.java index dafbb5f..c7b3c71 100644 --- a/query/src/main/java/org/apache/kylin/query/enumerator/OLAPEnumerator.java +++ b/query/src/main/java/org/apache/kylin/query/enumerator/OLAPEnumerator.java @@ -18,6 +18,7 @@ package org.apache.kylin.query.enumerator; +import java.util.Arrays; import java.util.Map; import java.util.Properties; @@ -77,10 +78,9 @@ public class OLAPEnumerator implements Enumerator<Object[]> { } private Object[] convertCurrentRow(ITuple tuple) { - // make sure the tuple layout is correct - //assert tuple.getAllFields().equals(olapContext.returnTupleInfo.getAllFields()); - - current = tuple.getAllValues(); + // give calcite a new array every time, see details in KYLIN-2134 + Object[] values = tuple.getAllValues(); + current = Arrays.copyOf(values, values.length); return current; }
