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Posted to issues@spark.apache.org by "Reynold Xin (JIRA)" <ji...@apache.org> on 2016/06/06 07:44:56 UTC
[jira] [Commented] (SPARK-15585) Don't use null in data source
options to indicate default value
[ https://issues.apache.org/jira/browse/SPARK-15585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15316288#comment-15316288 ]
Reynold Xin commented on SPARK-15585:
-------------------------------------
[~maropu] I think the best way is to advise users to pass \u0000 in. Can you check if that is possible in both Python/Scala?
> Don't use null in data source options to indicate default value
> ---------------------------------------------------------------
>
> Key: SPARK-15585
> URL: https://issues.apache.org/jira/browse/SPARK-15585
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Reynold Xin
> Priority: Critical
>
> See email: http://apache-spark-developers-list.1001551.n3.nabble.com/changed-behavior-for-csv-datasource-and-quoting-in-spark-2-0-0-SNAPSHOT-td17704.html
> We'd need to change DataFrameReader/DataFrameWriter in Python's csv/json/parquet/... functions to put the actual default option values as function parameters, rather than setting them to None. We can then in CSVOptions.getChar (and JSONOptions, etc) to actually return null if the value is null, rather than setting it to default value.
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