ninglinLiu opened a new pull request, #7218:
URL: https://github.com/apache/datafusion-comet/pull/7218

   ## Which issue does this PR close?
   
   Closes #7216.
   
   ## Rationale for this change
   
   Under ANSI mode the native string-to-decimal cast raises 
`SparkError::NumericOutOfRange` for values such as `'0e38'`. None of the 
`ShimSparkErrorConverter`s had a `"NumericOutOfRange"` case, so 
`SparkErrorConverter` fell through to a plain `SparkException`. Spark throws a 
`SparkArithmeticException` here, so code catching `ArithmeticException` behaved 
differently with Comet enabled. The error class, SQLSTATE and message were 
already the same.
   
   ## What changes are included in this PR?
   
   Each shim now maps `NumericOutOfRange` to Spark's own 
`outOfDecimalTypeRangeError(value)`:
   
   - `spark-4.x`: `DataTypeErrors.outOfDecimalTypeRangeError` (where Spark 4.x 
defines it)
   - `spark-3.4` and `spark-3.5`: 
`QueryExecutionErrors.outOfDecimalTypeRangeError`
   
   That is the same helper `Decimal.fromStringANSI` uses, so the exception 
type, error class `NUMERIC_OUT_OF_SUPPORTED_RANGE` and the `value` parameter 
all match Spark.
   
   ## How are these changes tested?
   
   - New `SparkErrorConverterSuite` test converts a native `NumericOutOfRange` 
JSON error and checks that the result is a `SparkArithmeticException` (and an 
`ArithmeticException`) with error class `NUMERIC_OUT_OF_SUPPORTED_RANGE` and 
`value = 0e38`.
   - The suite passes with `-Pspark-4.1`, `-Pspark-3.5` and `-Pspark-3.4`. 
Without the shim change the new test fails on Spark 4.1 (`SparkException` 
instead of `SparkArithmeticException`).
   - `spotless:apply` run.
   
   This PR was prepared with AI assistance and reviewed and tested by the 
author.
   


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