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https://issues.apache.org/jira/browse/TAJO-2165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15365598#comment-15365598
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ASF GitHub Bot commented on TAJO-2165:
--------------------------------------
Github user jihoonson commented on a diff in the pull request:
https://github.com/apache/tajo/pull/1036#discussion_r69850288
--- Diff:
tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/AlterTableDesc.java
---
@@ -51,6 +54,8 @@
@Expose
protected KeyValueSet properties;
@Expose
+ protected Set<String> propertyKeys;
--- End diff --
Since there is no additional descriptions on this variable, it would be
better if it has a more intuitive name like ```unsetPropertyKeys```.
> Add 'ALTER TABLE UNSET PROPERTY' statement to Tajo DDL
> ------------------------------------------------------
>
> Key: TAJO-2165
> URL: https://issues.apache.org/jira/browse/TAJO-2165
> Project: Tajo
> Issue Type: New Feature
> Reporter: Lee Dongjin
> Assignee: Lee Dongjin
>
> For version 0.11.x now, there is only set statement for table property. When
> the user makes a typo with DDL statement, this mistake cannot be removed. We
> also need the way to remove already set properties.
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