Handle EnumMember's in EnumConverter.ToQuotedString() as well

Author: mythz

src/ServiceStack.OrmLite/Converters/SpecialConverters.cs

@@ -78,7 +78,9 @@ public override string ToQuotedString(Type fieldType, object value)
             if (!isEnumFlags && long.TryParse(value.ToString(), out var enumValue))
                 value = Enum.ToObject(fieldType, enumValue);
 
-            var enumString = DialectProvider.StringSerializer.SerializeToString(value);
+            var enumString = enumKind == EnumKind.EnumMember
+                ? value.ToString()
+                : DialectProvider.StringSerializer.SerializeToString(value);
             if (enumString == null || enumString == "null")
                 enumString = value.ToString();
 
@@ -136,7 +138,7 @@ public static char ToCharValue(object value)
         }
 
         //cache expensive to calculate operation
-        static readonly ConcurrentDictionary<Type, bool> intEnums = new ConcurrentDictionary<Type, bool>();
+        static readonly ConcurrentDictionary<Type, bool> intEnums = new();
 
         public static bool IsIntEnum(Type fieldType)
         {

tests/ServiceStack.OrmLite.Tests/EnumTests.cs

@@ -458,7 +458,6 @@ public void Can_select_enum_using_tuple()
         [Test]
         public void Does_insert_types_with_EnumMembers()
         {
-            OrmLiteUtils.PrintSql();
             using var db = OpenDbConnection();
             db.DropAndCreateTable<TypeWithEnumMember>();
 
@@ -469,6 +468,19 @@ public void Does_insert_types_with_EnumMembers()
             Assert.That(results[1].WorkflowType, Is.EqualTo(WorkflowType.SalesInvoice));
             Assert.That(results[2].WorkflowType, Is.EqualTo(WorkflowType.PurchaseInvoice));
         }
+
+        [Test]
+        public void Can_query_EnumMembers_with_SqlFmt()
+        {
+            using var db = OpenDbConnection();
+            db.DropAndCreateTable<TypeWithEnumMember>();
+
+            var id = 1;
+            db.Insert(new TypeWithEnumMember {Id = id, WorkflowType = WorkflowType.PurchaseInvoice});
+            var result = db.Single<TypeWithEnumMember>(
+                "select * from TypeWithEnumMember as db where db.Id = {0} and db.WorkflowType = {1}".SqlFmt(id, WorkflowType.PurchaseInvoice));
+            Assert.That(result.WorkflowType, Is.EqualTo(WorkflowType.PurchaseInvoice));
+        }
     }
 
     [EnumAsChar]