Fix bug with NullComparisonRewriter - #499
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botinko
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Aug 5, 2026
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NullComparisonRewriterincorrectly processes nullable enumFor example following line in a materializer:
JobStatus = r.Job != null ? r.Job.Status : nullsometime assigns
default(JobStatus)instead ofnull(when r.Job == null)This depends on
State.IsTailMethodflag which activatesNullComparisonRewriter.Adding
.Tag()can change the behavior.or
query.ToList().First()andquery.First()have different behavior.This PR improves
NullComparisonRewriterto add explicit conversion fromnullto(ValueType?)null