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From "Apache Spark (Jira)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-34324) FileTable should not list TRUNCATE in capabilities by default
Date Tue, 02 Feb 2021 06:35:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-34324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17276880#comment-17276880
] 

Apache Spark commented on SPARK-34324:
--------------------------------------

User 'viirya' has created a pull request for this issue:
https://github.com/apache/spark/pull/31432

> FileTable should not list TRUNCATE in capabilities by default
> -------------------------------------------------------------
>
>                 Key: SPARK-34324
>                 URL: https://issues.apache.org/jira/browse/SPARK-34324
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.2.0
>            Reporter: L. C. Hsieh
>            Assignee: L. C. Hsieh
>            Priority: Major
>
> abstract class {{FileTable}} now lists {{TRUNCATE}} in its {{capabilities}}, but {{FileTable}}
does not know if an implementation really supports truncation or not. Specifically, we can
check existing {{FileTable}} implementations including {{AvroTable}}, {{CSVTable}}, {{JsonTable}},
etc. No one implementation really implements {{SupportsTruncate}} in its writer builder.



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