[
https://issues.apache.org/jira/browse/SPARK-3569?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xiangrui Meng updated SPARK-3569:
---------------------------------
Component/s: MLlib
ML
> Add metadata field to StructField
> ---------------------------------
>
> Key: SPARK-3569
> URL: https://issues.apache.org/jira/browse/SPARK-3569
> Project: Spark
> Issue Type: New Feature
> Components: ML, MLlib, SQL
> Reporter: Xiangrui Meng
>
> Want to add a metadata field to StructField that can be used by other
> applications like ML to embed more information about the column.
> {code}
> case class case class StructField(name: String, dataType: DataType, nullable:
> Boolean, metadata: Map[String, Any] = Map.empty)
> {code}
> For ML, we can store feature information like categorical/continuous, number
> categories, category-to-index map, etc
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org
