MaxGekk commented on code in PR #42939:
URL: https://github.com/apache/spark/pull/42939#discussion_r1329724651
##########
common/utils/src/main/resources/error/error-classes.json:
##########
@@ -332,6 +332,11 @@
],
"sqlState" : "22003"
},
+ "CLASS_UNSUPPORTED_BY_MAP_OBJECTS" : {
+ "message" : [
+ "class `<cls>` is not supported by `MapObjects` as resulting collection."
Review Comment:
Let's change the order:
```suggestion
"`MapObjects` does not support the class <cls> as resulting
collection."
```
##########
sql/core/src/test/scala/org/apache/spark/sql/DatasetSuite.scala:
##########
@@ -2561,6 +2563,40 @@ class DatasetSuite extends QueryTest
checkDataset(ds.filter(f(col("_1"))), Tuple1(ValueClass(2)))
}
+
+ test("CLASS_UNSUPPORTED_BY_MAP_OBJECTS when creating dataset") {
+ withSQLConf(
+ // Set CODEGEN_FACTORY_MODE to default value to reproduce
CLASS_UNSUPPORTED_BY_MAP_OBJECTS
+ SQLConf.CODEGEN_FACTORY_MODE.key ->
CodegenObjectFactoryMode.NO_CODEGEN.toString) {
+ // Create our own encoder to cover the default encoder from
spark.implicits._
+ implicit val im: ExpressionEncoder[Array[Int]] = ExpressionEncoder(
+ AgnosticEncoders.IterableEncoder(
+ ClassTag(classOf[Array[Int]]), BoxedIntEncoder, false, false))
+
+ val df = spark.createDataset(Seq(Array(1)))
+ val exception = intercept[org.apache.spark.SparkRuntimeException] {
+ df.collect()
+ }
+ val expressions = im.resolveAndBind(df.queryExecution.logical.output,
+ spark.sessionState.analyzer)
+ .createDeserializer().expressions
+
+ // Expression decoding error
+ checkError(
+ exception = exception,
+ errorClass = "_LEGACY_ERROR_TEMP_2151",
Review Comment:
Could you open an JIRA for this, and point out the test, please.
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