Fixed Insert not inserting when the object had no primary key.

Dapper.Contrib/SqlMapperExtensions.cs

@@ -190,25 +190,22 @@ private static string GetTableName(Type type)
 			sb.Append(") ");
 			long id = 0;
 #if POSTGRESQL
-			if (keyProperties.Count() > 0)
+			sb.Append(" RETURNING ");
+			for (var i = 0; i < keyProperties.Count(); i++)
 			{
-				sb.Append(" RETURNING ");
-				for (var i = 0; i < keyProperties.Count(); i++)
-				{
-					var property = keyProperties.ElementAt(i);
-					sb.Append(property.Name);
-					if (i < keyProperties.Count() - 1)
-						sb.Append(", ");
-				}
-				var r = connection.Query(sb.ToString(), entityToInsert, transaction: transaction, commandTimeout: commandTimeout);
-				// Return the key py assinging the corresponding property in the object - by product is that it supports compound primary keys
-				foreach (var p in keyProperties)
-				{
-					var value = ((IDictionary<string, object>) r.First())[p.Name.ToLower()];
-					p.SetValue(entityToInsert, value, null);
-					if (id == 0)
-						id = Convert.ToInt64(value);
-				}
+				var property = keyProperties.ElementAt(i);
+				sb.Append(property.Name);
+				if (i < keyProperties.Count() - 1)
+					sb.Append(", ");
+			}
+			var r = connection.Query(sb.ToString(), entityToInsert, transaction: transaction, commandTimeout: commandTimeout);
+			// Return the key py assinging the corresponding property in the object - by product is that it supports compound primary keys
+			foreach (var p in keyProperties)
+			{
+				var value = ((IDictionary<string, object>) r.First())[p.Name.ToLower()];
+				p.SetValue(entityToInsert, value, null);
+				if (id == 0)
+					id = Convert.ToInt64(value);
 			}
 #else
             connection.Execute(sb.ToString(), entityToInsert, transaction: transaction, commandTimeout: commandTimeout);