Zouxxyy opened a new pull request, #6375:
URL: https://github.com/apache/paimon/pull/6375
<!-- Please specify the module before the PR name: [core] ... or [flink] ...
-->
### Purpose
Fix group by partial partition of a multi partition table
```
java.lang.Integer cannot be cast to org.apache.paimon.data.BinaryString
java.lang.ClassCastException: java.lang.Integer cannot be cast to
org.apache.paimon.data.BinaryString
at org.apache.paimon.data.GenericRow.getString(GenericRow.java:172)
at
org.apache.paimon.spark.AbstractSparkInternalRow.getUTF8String(AbstractSparkInternalRow.java:155)
at
org.apache.spark.sql.catalyst.expressions.JoinedRow.getUTF8String(JoinedRow.scala:112)
at
org.apache.spark.sql.catalyst.expressions.GeneratedClass$SpecificUnsafeProjection.apply(Unknown
Source)
at
org.apache.spark.sql.execution.LocalTableScanExec.$anonfun$unsafeRows$1(LocalTableScanExec.scala:44)
at
scala.collection.TraversableLike.$anonfun$map$1(TraversableLike.scala:286)
at
scala.collection.mutable.ResizableArray.foreach(ResizableArray.scala:62)
at
scala.collection.mutable.ResizableArray.foreach$(ResizableArray.scala:55)
```
### Tests
<!-- List UT and IT cases to verify this change -->
### API and Format
<!-- Does this change affect API or storage format -->
### Documentation
<!-- Does this change introduce a new feature -->
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