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https://issues.apache.org/jira/browse/TAJO-1997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15055287#comment-15055287
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ASF GitHub Bot commented on TAJO-1997:
--------------------------------------
Github user jihoonson commented on a diff in the pull request:
https://github.com/apache/tajo/pull/883#discussion_r47456682
--- Diff:
tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/FunctionDesc.java
---
@@ -167,6 +171,13 @@ public boolean equals(Object obj) {
}
return false;
}
+
+ public boolean equalsSignature(Object obj) {
--- End diff --
Maybe this method is used to check the real equality between functions. If
so, please fix the below code. In the below, function signature is compared
with function desc.
> Registering UDF, it needs to check duplication
> ----------------------------------------------
>
> Key: TAJO-1997
> URL: https://issues.apache.org/jira/browse/TAJO-1997
> Project: Tajo
> Issue Type: Sub-task
> Components: Function/UDF
> Affects Versions: 0.11.0
> Reporter: Jongyoung Park
> Assignee: Jongyoung Park
> Priority: Minor
>
> Currently, Tajo doesn't check UDF signature whether it is duplicated with
> built-in functions.
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