lgbo-ustc opened a new issue, #9594:
URL: https://github.com/apache/incubator-gluten/issues/9594
### Backend
CH (ClickHouse)
### Bug description
[Expected behavior] and [actual behavior].
```
org.apache.spark.SparkException: Failed to merge incompatible data types
string and bigint
at
org.apache.spark.sql.errors.QueryExecutionErrors$.cannotMergeIncompatibleDataTypesError(QueryExecutionErrors.scala:1056)
at
org.apache.spark.sql.types.StructType$.mergeInternal(StructType.scala:665)
at
org.apache.spark.sql.types.StructType$.unionLikeMerge(StructType.scala:572)
at
org.apache.spark.sql.catalyst.plans.logical.Union.$anonfun$output$7(basicLogicalOperators.scala:325)
at
scala.collection.IndexedSeqOptimized.reduceLeft(IndexedSeqOptimized.scala:60)
at
scala.collection.IndexedSeqOptimized.reduceLeft$(IndexedSeqOptimized.scala:76)
at scala.collection.mutable.ArrayBuffer.reduceLeft(ArrayBuffer.scala:49)
at scala.collection.TraversableOnce.reduce(TraversableOnce.scala:254)
at scala.collection.TraversableOnce.reduce$(TraversableOnce.scala:254)
at scala.collection.AbstractTraversable.reduce(Traversable.scala:108)
at
org.apache.spark.sql.catalyst.plans.logical.Union.$anonfun$output$4(basicLogicalOperators.scala:325)
at
scala.collection.TraversableLike.$anonfun$map$1(TraversableLike.scala:286)
at
scala.collection.mutable.ResizableArray.foreach(ResizableArray.scala:62)
at
scala.collection.mutable.ResizableArray.foreach$(ResizableArray.scala:55)
at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:49)
at scala.collection.TraversableLike.map(TraversableLike.scala:286)
at scala.collection.TraversableLike.map$(TraversableLike.scala:279)
at scala.collection.AbstractTraversable.map(Traversable.scala:108)
at
org.apache.spark.sql.catalyst.plans.logical.Union.output(basicLogicalOperators.scala:322)
at
org.apache.gluten.extension.JoinAggregateToAggregateUnion.buildAggregateOnUnion(JoinAggregateToAggregateUnion.scala:719)
```
### Gluten version
_No response_
### Spark version
None
### Spark configurations
_No response_
### System information
_No response_
### Relevant logs
```bash
```
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