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https://issues.apache.org/jira/browse/SPARK-15786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Lian updated SPARK-15786:
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Assignee: Sean Zhong
> joinWith bytecode generation calling ByteBuffer.wrap with InternalRow
> ---------------------------------------------------------------------
>
> Key: SPARK-15786
> URL: https://issues.apache.org/jira/browse/SPARK-15786
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.1, 2.0.0
> Reporter: Richard Marscher
> Assignee: Sean Zhong
>
> {code}java.lang.RuntimeException: Error while decoding:
> java.util.concurrent.ExecutionException: java.lang.Exception: failed to
> compile: org.codehaus.commons.compiler.CompileException: File
> 'generated.java', Line 36, Column 107: No applicable constructor/method found
> for actual parameters "org.apache.spark.sql.catalyst.InternalRow"; candidates
> are: "public static java.nio.ByteBuffer java.nio.ByteBuffer.wrap(byte[])",
> "public static java.nio.ByteBuffer java.nio.ByteBuffer.wrap(byte[], int,
> int)"{code}
> I have been trying to use joinWith along with Option data types to get an
> approximation of the RDD semantics for outer joins with Dataset to have a
> nicer API for Scala. However, using the Dataset.as[] syntax leads to bytecode
> generation trying to pass an InternalRow object into the ByteBuffer.wrap
> function which expects byte[] with or without a couple int qualifiers.
> I have a notebook reproducing this against 2.0 preview in Databricks
> Community Edition:
> https://databricks-prod-cloudfront.cloud.databricks.com/public/4027ec902e239c93eaaa8714f173bcfc/160347920874755/1039589581260901/673639177603143/latest.html
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