Make NULL a variant in the case the type is an enum. This is in addition to when it is a numeric type

2 years ago · dcca36386c
parent 3f6cc90f8f
commit dcca36386c
1 changed files with 1 additions and 1 deletions
--- a/src/EFCore.Jet/Query/Sql/Internal/JetQuerySqlGenerator.cs
+++ b/src/EFCore.Jet/Query/Sql/Internal/JetQuerySqlGenerator.cs
@ -568,7 +568,7 @@ namespace EntityFrameworkCore.Jet.Query.Sql.Internal
            }

            parent.TryPeek(out var exp);
-            if (sqlConstantExpression.Value is null && exp is ProjectionExpression && (sqlConstantExpression.Type.IsNumeric() || sqlConstantExpression.Type == typeof(bool)))
+            if (sqlConstantExpression.Value is null && exp is ProjectionExpression && (sqlConstantExpression.Type.IsNumeric() || sqlConstantExpression.Type.IsEnum || sqlConstantExpression.Type == typeof(bool)))
            {
                Sql.Append("CVar(");
                Sql.Append(sqlConstantExpression.TypeMapping!.GenerateSqlLiteral(sqlConstantExpression.Value));