[
https://issues.apache.org/jira/browse/SPARK-49041?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
ASF GitHub Bot updated SPARK-49041:
-----------------------------------
Labels: pull-request-available (was: )
> Raise proper error for dropDuplicates when wrong subset is given
> ----------------------------------------------------------------
>
> Key: SPARK-49041
> URL: https://issues.apache.org/jira/browse/SPARK-49041
> Project: Spark
> Issue Type: Bug
> Components: PySpark
> Affects Versions: 4.0.0
> Reporter: Haejoon Lee
> Priority: Major
> Labels: pull-request-available
>
> Currently dropDuplicates raise unrelated internal error so we should improve
> it
> {code:java}
> >>> df.dropDuplicates(None)
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "/.../spark/python/pyspark/sql/classic/dataframe.py", line 1249, in
> dropDuplicates
> jdf = self._jdf.dropDuplicates(self._jseq(subset))
> File "/.../spark/python/lib/py4j-0.10.9.7-src.zip/py4j/java_gateway.py",
> line 1322, in __call__
> return_value = get_return_value(
> File "/.../spark/python/pyspark/errors/exceptions/captured.py", line 247,
> in deco
> return f(*a, **kw)
> File "/.../spark/python/lib/py4j-0.10.9.7-src.zip/py4j/protocol.py", line
> 326, in get_return_value
> raise Py4JJavaError(
> py4j.protocol.Py4JJavaError: An error occurred while calling
> o56.dropDuplicates.
> : org.apache.spark.SparkException: [INTERNAL_ERROR] Undefined error message
> parameter for error class: '_LEGACY_ERROR_TEMP_1201', MessageTemplate: Cannot
> resolve column name "<colName>" among (<fieldNames>)., Parameters:
> Map(colName -> null, fieldNames -> name, age) SQLSTATE: XX000
> at
> org.apache.spark.SparkException$.internalError(SparkException.scala:107)
> at
> org.apache.spark.ErrorClassesJsonReader.getErrorMessage(ErrorClassesJSONReader.scala:58)
> at
> org.apache.spark.SparkThrowableHelper$.getMessage(SparkThrowableHelper.scala:56)
> at
> org.apache.spark.SparkThrowableHelper$.getMessage(SparkThrowableHelper.scala:43)
> at
> org.apache.spark.sql.AnalysisException.<init>(AnalysisException.scala:47)
> at
> org.apache.spark.sql.AnalysisException.<init>(AnalysisException.scala:82)
> at
> org.apache.spark.sql.errors.QueryCompilationErrors$.cannotResolveColumnNameAmongAttributesError(QueryCompilationErrors.scala:2257)
> at
> org.apache.spark.sql.Dataset.$anonfun$groupColsFromDropDuplicates$1(Dataset.scala:3267)
> at scala.collection.immutable.List.flatMap(List.scala:294)
> at scala.collection.immutable.List.flatMap(List.scala:79)
> at
> org.apache.spark.sql.Dataset.groupColsFromDropDuplicates(Dataset.scala:3261)
> at org.apache.spark.sql.Dataset.dropDuplicates(Dataset.scala:3126)
> at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
> at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
> at
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.base/java.lang.reflect.Method.invoke(Method.java:568)
> at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
> at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:374)
> at py4j.Gateway.invoke(Gateway.java:282)
> at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
> at py4j.commands.CallCommand.execute(CallCommand.java:79)
> at
> py4j.ClientServerConnection.waitForCommands(ClientServerConnection.java:182)
> at py4j.ClientServerConnection.run(ClientServerConnection.java:106)
> at java.base/java.lang.Thread.run(Thread.java:840)
> Caused by: java.lang.IllegalArgumentException: Cannot resolve variable
> 'colName' (enableSubstitutionInVariables=false).
> at
> org.apache.commons.text.StringSubstitutor.substitute(StringSubstitutor.java:1535)
> at
> org.apache.commons.text.StringSubstitutor.substitute(StringSubstitutor.java:1392)
> at
> org.apache.commons.text.StringSubstitutor.replace(StringSubstitutor.java:896)
> at
> org.apache.spark.ErrorClassesJsonReader.getErrorMessage(ErrorClassesJSONReader.scala:53)
> ... 22 more {code}
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