[
https://issues.apache.org/jira/browse/TAJO-978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14082091#comment-14082091
]
Hudson commented on TAJO-978:
-----------------------------
SUCCESS: Integrated in Tajo-master-build #321 (See
[https://builds.apache.org/job/Tajo-master-build/321/])
TAJO-978: RoundFloat8 should return Float8Datum type. (Hyoungjun Kim via
hyunsik) (hyunsik: rev 650157c5907c43a2f9228cd9a3ff59619e24efb6)
* tajo-core/src/test/resources/queries/TestSelectQuery/testCaseWhenRound.sql
* tajo-core/src/test/java/org/apache/tajo/engine/query/TestSelectQuery.java
* tajo-core/src/main/java/org/apache/tajo/engine/function/math/RoundFloat8.java
* tajo-core/src/test/resources/results/TestSelectQuery/testCaseWhenRound.result
* tajo-core/src/test/java/org/apache/tajo/engine/function/TestMathFunctions.java
* CHANGES
> RoundFloat8 should return Float8Datum type.
> -------------------------------------------
>
> Key: TAJO-978
> URL: https://issues.apache.org/jira/browse/TAJO-978
> Project: Tajo
> Issue Type: Bug
> Reporter: Hyoungjun Kim
> Assignee: Hyoungjun Kim
> Priority: Minor
> Fix For: 0.9.0
>
>
> Currently RoundFloat8 function returns TextDatum. So the following query
> occurs InvalidOperationException.
> {code:sql}
> select * from (
> select n_nationkey as key,
> case when n_nationkey < 6
> then round((n_nationkey * 100 / 2.123)::float4 /
> (n_regionkey + 1)::float4, 2)
> else 100.0
> end as val
> from nation) a
> order by a.key
> {code}
> {noformat}
> 2014-07-25 16:40:08,418 ERROR: org.apache.tajo.worker.Task (run(432)) -
> Cannot compare to FLOAT8 type datum
> org.apache.tajo.exception.InvalidOperationException: Cannot compare to FLOAT8
> type datum
> at org.apache.tajo.datum.TextDatum.compareTo(TextDatum.java:113)
> at
> org.apache.tajo.storage.TableStatistics.analyzeField(TableStatistics.java:91)
> at
> org.apache.tajo.storage.RawFile$RawFileAppender.addTuple(RawFile.java:600)
> at
> org.apache.tajo.engine.planner.physical.RangeShuffleFileWriteExec.next(RangeShuffleFileWriteExec.java:101)
> at org.apache.tajo.worker.Task.run(Task.java:425)
> at org.apache.tajo.worker.TaskRunner$1.run(TaskRunner.java:406)
> at java.lang.Thread.run(Thread.java:744)
> {noformat}
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