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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2020/08/13 03:29:00 UTC
[jira] [Assigned] (SPARK-32511) Add dropFields method to Column
class
[ https://issues.apache.org/jira/browse/SPARK-32511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenchen Fan reassigned SPARK-32511:
-----------------------------------
Assignee: fqaiser94
> Add dropFields method to Column class
> -------------------------------------
>
> Key: SPARK-32511
> URL: https://issues.apache.org/jira/browse/SPARK-32511
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: fqaiser94
> Assignee: fqaiser94
> Priority: Major
>
> Based on the discussions in the parent ticket (SPARK-22231), add a new {{dropFields}} method to the {{Column}} class.
> This method should allow users to drop a column nested inside a StructType Column (with similar semantics to the existing {{drop}} method on {{Dataset}}).
> It should also be able to handle deeply nested columns through the same API.
> This is similar to the {{withField}} method that was recently added in SPARK-31317 and likely we can re-use some of that "infrastructure."
> The public-facing method signature should be something along the following lines:
> {noformat}
> def dropFields(fieldNames: String*): Column
> {noformat}
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