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https://issues.apache.org/jira/browse/TAJO-904?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14061747#comment-14061747
]
Hudson commented on TAJO-904:
-----------------------------
SUCCESS: Integrated in Tajo-master-build #298 (See
[https://builds.apache.org/job/Tajo-master-build/298/])
TAJO-904: ORDER BY Null first support. (Hyoungjun Kim via hyunsik) (hyunsik:
rev 47d4fe22b8e5594d82054fa5a7b5cdc23f578be6)
* tajo-core/src/test/java/org/apache/tajo/engine/query/TestSortQuery.java
* tajo-core/src/main/java/org/apache/tajo/worker/Task.java
* tajo-core/src/main/java/org/apache/tajo/master/querymaster/Repartitioner.java
* tajo-core/src/main/java/org/apache/tajo/engine/utils/TupleUtil.java
* tajo-storage/src/main/java/org/apache/tajo/storage/TableStatistics.java
*
tajo-core/src/main/java/org/apache/tajo/engine/planner/RangePartitionAlgorithm.java
* tajo-storage/src/main/java/org/apache/tajo/storage/RowStoreUtil.java
*
tajo-yarn-pullserver/src/main/java/org/apache/tajo/pullserver/TajoPullServerService.java
*
tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/statistics/ColumnStats.java
* CHANGES
> ORDER BY Null first support
> ---------------------------
>
> Key: TAJO-904
> URL: https://issues.apache.org/jira/browse/TAJO-904
> Project: Tajo
> Issue Type: Bug
> Reporter: Hyoungjun Kim
> Assignee: Hyoungjun Kim
> Priority: Trivial
> Fix For: 0.9.0
>
>
> ORDER BY with a null column miss some data. I found RowStoreEncoder has a bug
> dealing with NULL values.
> "continue" statement should be add.
> {code}
> Column col;
> for (int i = 0; i < schema.size(); i++) {
> if (tuple.isNull(i)) {
> nullFlags.set(i);
> continue;
> }
> col = schema.getColumn(i);
> {code}
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