[jira] [Resolved] (SPARK-23793) Handle database names in spark.udf.register()

["Hyukjin Kwon (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-23793?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-23793.
----------------------------------
    Resolution: Won't Fix

> Handle database names in spark.udf.register()
> ---------------------------------------------
>
>                 Key: SPARK-23793
>                 URL: https://issues.apache.org/jira/browse/SPARK-23793
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.3.0
>            Reporter: Takeshi Yamamuro
>            Priority: Minor
>
> spark.udf.register currently ignores database names in function names;
> {code}
> scala> sql("create database testdb")
> res0: org.apache.spark.sql.DataFrame = []
> scala> spark.udf.register("testdb.testfunc", (a: Int) => a + 1)
> res1: org.apache.spark.sql.expressions.UserDefinedFunction = UserDefinedFunction(<function1>,IntegerType,Some(List(IntegerType)))
> scala> sql("select testdb.testfunc(1)").show
> org.apache.spark.sql.AnalysisException: Undefined function: 'testfunc'. This function is neither a registered temporary function nor a permanent function registered in the database 'testdb'.; line 1 pos 7
>   at org.apache.spark.sql.catalyst.analysis.Analyzer$LookupFunctions$$anonfun$apply$15$$anonfun$applyOrElse$49.apply(Analyzer.scala:1198)
>   at org.apache.spark.sql.catalyst.analysis.Analyzer$LookupFunctions$$anonfun$apply$15$$anonfun$applyOrElse$49.apply(Analyzer.scala:1198)
>   at org.apache.spark.sql.catalyst.analysis.package$.withPosition(package.scala:48)
> {code}



--
This message was sent by Atlassian Jira
(v8.3.2#803003)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org