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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/04/26 05:26:00 UTC

[jira] [Assigned] (SPARK-39015) SparkRuntimeException when trying to get non-existent key in a map

     [ https://issues.apache.org/jira/browse/SPARK-39015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-39015:
------------------------------------

    Assignee: Apache Spark

> SparkRuntimeException when trying to get non-existent key in a map
> ------------------------------------------------------------------
>
>                 Key: SPARK-39015
>                 URL: https://issues.apache.org/jira/browse/SPARK-39015
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.3.0
>            Reporter: Raza Jafri
>            Assignee: Apache Spark
>            Priority: Major
>
> [~maxgekk] submitted a [commit|https://github.com/apache/spark/commit/bc8c264851457d8ef59f5b332c79296651ec5d1e] that tries to convert the key to SQL but that part of the code is blowing up. 
> {code:java}
> scala> :pa
> // Entering paste mode (ctrl-D to finish)
> import org.apache.spark.sql.Row
> import org.apache.spark.sql.types.StructType
> import org.apache.spark.sql.types.StringType
> import org.apache.spark.sql.types.DataTypes
> val arrayStructureData = Seq(
> Row(Map("hair"->"black", "eye"->"brown")),
> Row(Map("hair"->"blond", "eye"->"blue")),
> Row(Map()))
> val mapType  = DataTypes.createMapType(StringType,StringType)
> val arrayStructureSchema = new StructType()
> .add("properties", mapType)
> val mapTypeDF = spark.createDataFrame(
>     spark.sparkContext.parallelize(arrayStructureData),arrayStructureSchema)
> mapTypeDF.selectExpr("element_at(properties, 'hair')").show
> // Exiting paste mode, now interpreting.
> +----------------------------+
> |element_at(properties, hair)|
> +----------------------------+
> |                       black|
> |                       blond|
> |                        null|
> +----------------------------+
> scala>     spark.conf.set("spark.sql.ansi.enabled", true)
> scala> mapTypeDF.selectExpr("element_at(properties, 'hair')").show
> 22/04/25 18:26:01 ERROR Executor: Exception in task 6.0 in stage 5.0 (TID 23)
> org.apache.spark.SparkRuntimeException: The feature is not supported: literal for 'hair' of class org.apache.spark.unsafe.types.UTF8String.
> 	at org.apache.spark.sql.errors.QueryExecutionErrors$.literalTypeUnsupportedError(QueryExecutionErrors.scala:240) ~[spark-catalyst_2.12-3.3.0-SNAPSHOT.jar:3.3.0-SNAPSHOT]
> 	at org.apache.spark.sql.catalyst.expressions.Literal$.apply(literals.scala:101) ~[spark-catalyst_2.12-3.3.0-SNAPSHOT.jar:3.3.0-SNAPSHOT]
> 	at org.apache.spark.sql.errors.QueryErrorsBase.toSQLValue(QueryErrorsBase.scala:44) ~[spark-catalyst_2.12-3.3.0-SNAPSHOT.jar:3.3.0-SNAPSHOT]
> 	at org.apache.spark.sql.errors.QueryErrorsBase.toSQLValue$(QueryErrorsBase.scala:43) ~[spark-catalyst_2.12-3.3.0-SNAPSHOT.jar:3.3.0-SNAPSHOT]
> 	at org.apache.spark.sql.errors.QueryExecutionErrors$.toSQLValue(QueryExecutionErrors.scala:69) ~[spark-catalyst_2.12-3.3.0-SNAPSHOT.jar:3.3.0-SNAPSHOT]
> {code}
> Seems like it's trying to convert UTF8String to a sql literal



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