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https://issues.apache.org/jira/browse/SPARK-16825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401350#comment-15401350
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Apache Spark commented on SPARK-16825:
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User 'gatorsmile' has created a pull request for this issue:
https://github.com/apache/spark/pull/14430
> Replace hive.default.fileformat by spark.sql.default.fileformat
> ---------------------------------------------------------------
>
> Key: SPARK-16825
> URL: https://issues.apache.org/jira/browse/SPARK-16825
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Xiao Li
>
> Currently, we are using `hive.default.fileformat`, if users do not specify
> the format in the CREATE TABLE SQL statement. Multiple issues exist:
> - This parameter value is not from `hive-site.xml`. Thus, even if users
> change the hive.default.fileformat in `hive-site.xml`, Spark will ignore it.
> To change the parameter values, users have to use Spark interface, (e.g., by
> a SET command or API).
> - This parameter is not documented.
> - This parameter value will not be sent to Hive metastore. It is being used
> by Spark internals when processing CREATE TABLE statement.
> - This parameter is case sensitive.
> Since this is being used by Spark only, it does not make sense to use a
> parameter starting from `hive`. we might follow the other Hive-related
> parameters and introduce a new Spark parameter here. It should be public.
> Thus, how about replacing `hive.default.fileformat` by
> `spark.sql.default.fileformat`. we also should make it case insensitive.
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