[GitHub] [incubator-iceberg] aokolnychyi opened a new pull request #425: Fix Literal serializability

[GitBox <gi...@apache.org>]

aokolnychyi opened a new pull request #425: Fix Literal serializability
URL: https://github.com/apache/incubator-iceberg/pull/425
 
 
   This PR fixes literal serializability to avoid `Task not serializable` exceptions in Spark.
   
   ```
   Caused by: java.io.NotSerializableException: java.nio.HeapByteBuffer
   Serialization stack:
   	- object not serializable (class: java.nio.HeapByteBuffer, value: java.nio.HeapByteBuffer[pos=0 lim=1 cap=1])
   	- field (class: org.apache.iceberg.expressions.Literals$BaseLiteral, name: byteBuffer, type: class java.nio.ByteBuffer)
   	- object (class org.apache.iceberg.expressions.Literals$StringLiteral, "a")
   	- field (class: org.apache.iceberg.expressions.Predicate, name: literal, type: interface org.apache.iceberg.expressions.Literal)
   	- object (class org.apache.iceberg.expressions.UnboundPredicate, ref(name="value") startsWith ""a"")
   	- field (class: org.apache.iceberg.expressions.And, name: right, type: interface org.apache.iceberg.expressions.Expression)
   	- object (class org.apache.iceberg.expressions.And, (not_null(ref(name="value")) and ref(name="value") startsWith ""a""))
   	- field (class: org.apache.iceberg.expressions.ResidualEvaluator, name: expr, type: interface org.apache.iceberg.expressions.Expression)
   ```

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