[ https://issues.apache.org/jira/browse/SPARK-16006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-16006: ------------------------------------ Assignee: (was: Apache Spark) > Attemping to write empty DataFrame with no fields throw non-intuitive > exception > ------------------------------------------------------------------------------- > > Key: SPARK-16006 > URL: https://issues.apache.org/jira/browse/SPARK-16006 > Project: Spark > Issue Type: Bug > Components: SQL > Reporter: Tathagata Das > Priority: Minor > > Attempting to write an emptyDataFrame created with > {{sparkSession.emptyDataFrame.write.text("p")}} fails with the following > exception > {code} > org.apache.spark.sql.AnalysisException: Cannot use all columns for partition > columns; > at > org.apache.spark.sql.execution.datasources.PartitioningUtils$.validatePartitionColumn(PartitioningUtils.scala:355) > at > org.apache.spark.sql.execution.datasources.DataSource.write(DataSource.scala:435) > at org.apache.spark.sql.DataFrameWriter.save(DataFrameWriter.scala:213) > at org.apache.spark.sql.DataFrameWriter.save(DataFrameWriter.scala:196) > at org.apache.spark.sql.DataFrameWriter.text(DataFrameWriter.scala:525) > ... 48 elided > {code} > This is because # fields == # partitioning columns = 0 at > org.apache.spark.sql.execution.datasources.PartitioningUtils$.validatePartitionColumn(PartitioningUtils.scala:355). > This is a non-intuitive error message. Better error message "Cannot write > dataset with no fields". -- 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