[Mono-bugs] [Bug 58163][Maj] Changed - Null values in Postgres DB don't evaluate to null

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Changed by atsushi@ximian.com.

http://bugzilla.ximian.com/show_bug.cgi?id=58163

--- shadow/58163	2004-05-11 14:28:12.000000000 -0400
+++ shadow/58163.tmp.24105	2004-05-11 14:58:33.000000000 -0400
@@ -36,6 +36,38 @@
 
 Additional Information:
 This works as expected on Windows.
 
 ------- Additional Comments From vargaz@freemail.hu  2004-05-11 14:28 -------
 -> class libs
+
+------- Additional Comments From atsushi@ximian.com  2004-05-11 14:58 -------
+I tried an example code under MS.NET:
+
+using System;
+using System.Data;
+
+public class MyClass
+{
+	public static void Main()
+	{
+		try {
+			DataTable dt = new DataTable ();
+			dt.Columns.Add ("col1");
+			dt.Columns.Add ("col2");
+			DataRow r = dt.NewRow ();
+			r ["col1"] = "test";
+			dt.Rows.Add (r);
+			Console.WriteLine (r ["col2"] != null);
+		} catch (Exception ex) {
+			Console.WriteLine (ex);
+		}
+	}
+}
+
+The result was "True" as opposed to the report's expectation.
+
+Or it might return when we try data fill under Npgsql (Though it
+sounds like DataRow problem, and it did not vary even if I explicitly
+let null (not DBNull.Value) to "col2" above.
+
+Can you provide us a reproducable code?