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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/07/31 21:09:21 UTC
[jira] [Commented] (SPARK-16825) Replace hive.default.fileformat by
spark.sql.default.fileformat
[ https://issues.apache.org/jira/browse/SPARK-16825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401350#comment-15401350 ]
Apache Spark commented on SPARK-16825:
--------------------------------------
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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