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https://issues.apache.org/jira/browse/TAJO-774?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14034826#comment-14034826
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ASF GitHub Bot commented on TAJO-774:
-------------------------------------
Github user jihoonson commented on a diff in the pull request:
https://github.com/apache/tajo/pull/13#discussion_r13899554
--- Diff:
tajo-algebra/src/main/java/org/apache/tajo/algebra/WindowSpec.java ---
@@ -109,10 +136,10 @@ boolean equalsTo(Expr expr) {
FOLLOWING
}
- public static class WindowFrame {
- WindowFrameUnit unit;
- private WindowStartBound startBound;
- private WindowEndBound endBound;
+ public static class WindowFrame implements Cloneable {
+ @Expose WindowFrameUnit unit;
--- End diff --
It would be better to specify an explicit access modifier.
> Implement logical plan part and physical executor for window function.
> ----------------------------------------------------------------------
>
> Key: TAJO-774
> URL: https://issues.apache.org/jira/browse/TAJO-774
> Project: Tajo
> Issue Type: Sub-task
> Components: planner/optimizer
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Fix For: 0.9.0
>
>
> See the title. The main objective of this issue is to implement the logical
> planning part for window function support.
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