Dusan Tisma created SPARK-50119:
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Summary: UnresolvedException thrown instead of
INVALID_LAMBDA_FUNCTION_CALL.NON_HIGHER_ORDER_FUNCTION
Key: SPARK-50119
URL: https://issues.apache.org/jira/browse/SPARK-50119
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 4.0.0
Reporter: Dusan Tisma
Lambdas in non-higher order functions throw
{code:java}
INVALID_LAMBDA_FUNCTION_CALL.NON_HIGHER_ORDER_FUNCTION{code}
, however this is only thrown from other functions, and not anywhere in the
query.
{code:java}
select if(x -> x = 2, 10, 20){code}
throws
{code:java}
INVALID_LAMBDA_FUNCTION_CALL.NON_HIGHER_ORDER_FUNCTION{code}
,
{code:java}
select if(not x -> x = 2, 10, 20) {code}
throws
{code:java}
UnresolvedException{code}
The user error in the latter case needs improvement
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