bersprockets opened a new pull request, #42064:
URL: https://github.com/apache/spark/pull/42064
### What changes were proposed in this pull request?
In `CheckAnalysis#checkAnalysis0`, qualify the error subclass
`TYPE_CHECK_FAILURE_WITH_HINT` with the error class `DATATYPE_MISMATCH`.
### Why are the changes needed?
`CheckAnalysis` treats `TYPE_CHECK_FAILURE_WITH_HINT` as an error class, but
it is actually an error subclass of `DATATYPE_MISMATCH`.
```
spark-sql (default)> select bitmap_count(12);
[INTERNAL_ERROR] Cannot find main error class 'TYPE_CHECK_FAILURE_WITH_HINT'
org.apache.spark.SparkException: [INTERNAL_ERROR] Cannot find main error
class 'TYPE_CHECK_FAILURE_WITH_HINT'
at
org.apache.spark.SparkException$.internalError(SparkException.scala:83)
at
org.apache.spark.SparkException$.internalError(SparkException.scala:87)
at
org.apache.spark.ErrorClassesJsonReader.$anonfun$getMessageTemplate$1(ErrorClassesJSONReader.scala:68)
at
scala.collection.immutable.HashMap$HashMap1.getOrElse0(HashMap.scala:361)
at
scala.collection.immutable.HashMap$HashTrieMap.getOrElse0(HashMap.scala:594)
at
scala.collection.immutable.HashMap$HashTrieMap.getOrElse0(HashMap.scala:589)
at scala.collection.immutable.HashMap.getOrElse(HashMap.scala:73)
```
This issue only occurs when an expression uses
`TypeCheckResult.TypeCheckFailure` to indicate input type check failure.
`TypeCheckResult.TypeCheckFailure` appears to be deprecated in favor of
`TypeCheckResult.DataTypeMismatch`, but recently two expressions were added
that use `TypeCheckResult.TypeCheckFailure`: `BitmapCount` and `BitmapOrAgg`.
`BitmapCount` and `BitmapOrAgg` should probably be fixed to use
`TypeCheckResult.DataTypeMismatch`. Regardless, the code in `CheckAnalysis`
that handles `TypeCheckResult.TypeCheckFailure` should either be fixed or
removed. In this PR, I chose to fix it.
### Does this PR introduce _any_ user-facing change?
No, except for the user seeing the correct error message.
### How was this patch tested?
New unit test.
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