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https://issues.apache.org/jira/browse/TAJO-843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14019317#comment-14019317
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ASF GitHub Bot commented on TAJO-843:
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Github user hyunsik commented on the pull request:
https://github.com/apache/tajo/pull/26#issuecomment-45278523
+1
The patch looks nice to me. It includes enough unit tests.
> 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
>
> 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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