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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/02/07 08:56:00 UTC
[jira] [Commented] (SPARK-23348) append data using saveAsTable
should adjust the data types
[ https://issues.apache.org/jira/browse/SPARK-23348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16355160#comment-16355160 ]
Apache Spark commented on SPARK-23348:
--------------------------------------
User 'cloud-fan' has created a pull request for this issue:
https://github.com/apache/spark/pull/20527
> append data using saveAsTable should adjust the data types
> ----------------------------------------------------------
>
> Key: SPARK-23348
> URL: https://issues.apache.org/jira/browse/SPARK-23348
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: Wenchen Fan
> Priority: Major
>
>
> {code:java}
> Seq(1 -> "a").toDF("i", "j").write.saveAsTable("t")
> Seq("c" -> 3).toDF("i", "j").write.mode("append").saveAsTable("t")
> {code}
>
> This query will fail with a strange error:
>
> {code:java}
> org.apache.spark.SparkException: Job aborted due to stage failure: Task 1 in stage 10.0 failed 1 times, most recent failure: Lost task 1.0 in stage 10.0 (TID 15, localhost, executor driver): java.lang.UnsupportedOperationException: Unimplemented type: IntegerType
> at org.apache.spark.sql.execution.datasources.parquet.VectorizedColumnReader.readBinaryBatch(VectorizedColumnReader.java:473)
> at org.apache.spark.sql.execution.datasources.parquet.VectorizedColumnReader.readBatch(VectorizedColumnReader.java:214)
> at org.apache.spark.sql.execution.datasources.parquet.VectorizedParquetRecordReader.nextBatch(VectorizedParquetRecordReader.java:261)
> ...
> {code}
>
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