Add Guid operators for CqlFunction (#587)

Co-authored-by: João Reis <[email protected]>

Author: xsoheilalizadeh

src/Cassandra/Data/Linq/CqlFunction.cs

@@ -175,6 +175,46 @@ public static CqlFunction Token(object key1, object key2, object key3, object ke
         {
             throw new InvalidOperationException();
         }
+        
+        public static bool operator <=(CqlFunction a, Guid b)
+        {
+            throw new InvalidOperationException();
+        }
+
+        public static bool operator >=(CqlFunction a, Guid b)
+        {
+            throw new InvalidOperationException();
+        }
+        
+        public static bool operator >(CqlFunction a, Guid b)
+        {
+            throw new InvalidOperationException();
+        }
+
+        public static bool operator <(CqlFunction a, Guid b)
+        {
+            throw new InvalidOperationException();
+        }
+
+        public static bool operator <=(Guid b, CqlFunction a)
+        {
+            throw new InvalidOperationException();
+        }
+
+        public static bool operator >=(Guid b, CqlFunction a)
+        {
+            throw new InvalidOperationException();
+        }
+        
+        public static bool operator <(Guid b, CqlFunction a)
+        {
+            throw new InvalidOperationException();
+        }
+        
+        public static bool operator >(Guid b, CqlFunction a)
+        {
+            throw new InvalidOperationException();
+        }
 
         public override bool Equals(object obj)
         {