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Posted to issues@spark.apache.org by "Hyukjin Kwon (Jira)" <ji...@apache.org> on 2021/05/26 06:34:00 UTC
[jira] [Commented] (SPARK-35524) Pass objects as parameters to
SparkSQL UDFs
[ https://issues.apache.org/jira/browse/SPARK-35524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17351541#comment-17351541 ]
Hyukjin Kwon commented on SPARK-35524:
--------------------------------------
It wouldn't make much sense for SQL to support other languages in its syntax.
> Pass objects as parameters to SparkSQL UDFs
> -------------------------------------------
>
> Key: SPARK-35524
> URL: https://issues.apache.org/jira/browse/SPARK-35524
> Project: Spark
> Issue Type: Improvement
> Components: PySpark, Spark Core, SQL
> Affects Versions: 3.1.1
> Reporter: Julian Shalaby
> Priority: Major
> Labels: UDF, UDT, spark, spark-sql
>
> You can pass class objects directly to UDFs using the UDF format:
> df.select("*").filter(myFunc(classObj)(col("colName")))
> but the format:
> """SELECT * FROM view WHERE myFunc(classObj, "colName")"""
> or
> """SELECT * FROM view WHERE myFunc(classObj)("colName")"""
> does not work. This would be a very useful feature to have, especially being that UDTs are being made public again in 3.2.0
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