MaxGekk commented on code in PR #38660:
URL: https://github.com/apache/spark/pull/38660#discussion_r1037898056
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/errors/QueryExecutionErrors.scala:
##########
@@ -541,6 +541,13 @@ private[sql] object QueryExecutionErrors extends
QueryErrorsBase {
messageParameters = Map("fieldCannotBeNullMsg" ->
fieldCannotBeNullMsg(index, fieldName)))
}
+ def valueCannotBeNullError(locationDesc: String): RuntimeException = {
+ new RuntimeException(s"The value at $locationDesc cannot be null, but a
NULL was found. " +
+ "This is typically caused by the presence of a NULL value when the
schema indicates the " +
+ "value should be non-null. Check that the input data matches the schema
and/or that UDFs " +
+ "which can return null have a nullable return schema.")
Review Comment:
Could you create an error class in `error-classes.json`, and move the error
text there.
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/errors/QueryExecutionErrors.scala:
##########
@@ -541,6 +541,13 @@ private[sql] object QueryExecutionErrors extends
QueryErrorsBase {
messageParameters = Map("fieldCannotBeNullMsg" ->
fieldCannotBeNullMsg(index, fieldName)))
}
+ def valueCannotBeNullError(locationDesc: String): RuntimeException = {
+ new RuntimeException(s"The value at $locationDesc cannot be null, but a
NULL was found. " +
Review Comment:
Please, use a Spark's exception like `SparkRuntimeException`
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