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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2021/02/02 06:32:34 UTC

[GitHub] [spark] viirya opened a new pull request #31432: [SPARK-34324][SQL] FileTable should not list TRUNCATE in capabilities by default

viirya opened a new pull request #31432:
URL: https://github.com/apache/spark/pull/31432


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   This patch proposes to remove `TRUNCATE` from the default `capabilities` list from `FileTable`.
   
   ### Why are the changes needed?
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   The 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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   No, because seems to me `FileTable` is not of user-facing public API.
   
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   Existing unit tests.


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[GitHub] [spark] AmplabJenkins commented on pull request #31432: [SPARK-34324][SQL] FileTable should not list TRUNCATE in capabilities by default

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/spark/pull/31432#issuecomment-771475130






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[GitHub] [spark] cloud-fan commented on pull request #31432: [SPARK-34324][SQL] FileTable should not list TRUNCATE in capabilities by default

Posted by GitBox <gi...@apache.org>.
cloud-fan commented on pull request #31432:
URL: https://github.com/apache/spark/pull/31432#issuecomment-771484471






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[GitHub] [spark] viirya commented on pull request #31432: [SPARK-34324][SQL] FileTable should not list TRUNCATE in capabilities by default

Posted by GitBox <gi...@apache.org>.
viirya commented on pull request #31432:
URL: https://github.com/apache/spark/pull/31432#issuecomment-771503216


   > do users hit any query failure or wrong result when file source v2 is enabled?
   
   Currently, I don't see any place checking table truncation capability by `TableHelper.supports`. So I think it is fine. For `OverwriteByExpression`, we do check the created write builder is a `SupportsTruncate` or not, so it doesn't check capability.


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[GitHub] [spark] cloud-fan commented on pull request #31432: [SPARK-34324][SQL] FileTable should not list TRUNCATE in capabilities by default

Posted by GitBox <gi...@apache.org>.
cloud-fan commented on pull request #31432:
URL: https://github.com/apache/spark/pull/31432#issuecomment-771491124


   do users hit any query failure or wrong result when file source v2 is enabled?


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[GitHub] [spark] SparkQA commented on pull request #31432: [SPARK-34324][SQL] FileTable should not list TRUNCATE in capabilities by default

Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #31432:
URL: https://github.com/apache/spark/pull/31432#issuecomment-771425039


   **[Test build #134762 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/134762/testReport)** for PR 31432 at commit [`584dcbb`](https://github.com/apache/spark/commit/584dcbb82e2f203a679feb7c368d88d97a789e1a).


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[GitHub] [spark] viirya commented on pull request #31432: [SPARK-34324][SQL] FileTable should not list TRUNCATE in capabilities by default

Posted by GitBox <gi...@apache.org>.
viirya commented on pull request #31432:
URL: https://github.com/apache/spark/pull/31432#issuecomment-771481739


   cc @cloud-fan @sunchao @dongjoon-hyun 


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[GitHub] [spark] viirya commented on pull request #31432: [SPARK-34324][SQL] FileTable should not list TRUNCATE in capabilities by default

Posted by GitBox <gi...@apache.org>.
viirya commented on pull request #31432:
URL: https://github.com/apache/spark/pull/31432#issuecomment-771923831


   Thanks. Merging to master.


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[GitHub] [spark] viirya closed pull request #31432: [SPARK-34324][SQL] FileTable should not list TRUNCATE in capabilities by default

Posted by GitBox <gi...@apache.org>.
viirya closed pull request #31432:
URL: https://github.com/apache/spark/pull/31432


   


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[GitHub] [spark] viirya commented on pull request #31432: [SPARK-34324][SQL] FileTable should not list TRUNCATE in capabilities by default

Posted by GitBox <gi...@apache.org>.
viirya commented on pull request #31432:
URL: https://github.com/apache/spark/pull/31432#issuecomment-771481739






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[GitHub] [spark] SparkQA commented on pull request #31432: [SPARK-34324][SQL] FileTable should not list TRUNCATE in capabilities by default

Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #31432:
URL: https://github.com/apache/spark/pull/31432#issuecomment-771454099


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[GitHub] [spark] cloud-fan commented on pull request #31432: [SPARK-34324][SQL] FileTable should not list TRUNCATE in capabilities by default

Posted by GitBox <gi...@apache.org>.
cloud-fan commented on pull request #31432:
URL: https://github.com/apache/spark/pull/31432#issuecomment-771484471


   Looks reasonable. Does it cause any user-facing problems?


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[GitHub] [spark] viirya closed pull request #31432: [SPARK-34324][SQL] FileTable should not list TRUNCATE in capabilities by default

Posted by GitBox <gi...@apache.org>.
viirya closed pull request #31432:
URL: https://github.com/apache/spark/pull/31432


   


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[GitHub] [spark] viirya commented on pull request #31432: [SPARK-34324][SQL] FileTable should not list TRUNCATE in capabilities by default

Posted by GitBox <gi...@apache.org>.
viirya commented on pull request #31432:
URL: https://github.com/apache/spark/pull/31432#issuecomment-771487515


   > Looks reasonable. Does it cause any user-facing problems?
   
   IIUC, `FileTable` is not a public API.
   
   


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