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https://issues.apache.org/jira/browse/TAJO-843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14019342#comment-14019342
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Hudson commented on TAJO-843:
-----------------------------

SUCCESS: Integrated in Tajo-master-build #237 (See 
[https://builds.apache.org/job/Tajo-master-build/237/])
TAJO-843: implements COALESCE for BOOLEAN, DATE, TIME, TIMESTAMP. (Hyoungjun 
Kim via hyunsik) (hyunsik: rev 692ae6648be0b50b4289ca395f7d9d659033907d)
* 
tajo-core/src/main/java/org/apache/tajo/engine/function/builtin/CoalesceTimestamp.java
* 
tajo-core/src/main/java/org/apache/tajo/engine/function/builtin/CoalesceTime.java
* 
tajo-core/src/main/java/org/apache/tajo/engine/function/builtin/CoalesceDate.java
* CHANGES
* 
tajo-core/src/test/java/org/apache/tajo/engine/function/TestConditionalExpressions.java
* 
tajo-core/src/main/java/org/apache/tajo/engine/function/builtin/CoalesceBoolean.java
* 
tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/CatalogUtil.java


> implements COALESCE for BOOLEAN, DATE, TIME, TIMESTAMP
> ------------------------------------------------------
>
>                 Key: TAJO-843
>                 URL: https://issues.apache.org/jira/browse/TAJO-843
>             Project: Tajo
>          Issue Type: Improvement
>            Reporter: Hyoungjun Kim
>            Assignee: Hyoungjun Kim
>            Priority: Trivial
>             Fix For: 0.9.0
>
>
> See the title. Currently Tajo's COALESCE function only supports INT, FLOAT, 
> TEXT. We need COALESCE function for BOOLEAN, DATE, TIME, TIMESTAMP types.



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