Wrong column name being returned from ResultSet meta data

What steps will reproduce the problem?
(simple SQL scripts or simple standalone applications are preferred)
1. Apply the patch below to TestResultSet.java
2. Run the tests

What is the expected output? What do you see instead?
I was expecting y for the column name instead of x when running select x as y 
from dual.

What version of the product are you using? On what operating system, file
system, and virtual machine?

H2 1.2.130
Mac OS X
jdk 1.5.0_22

Do you know a workaround?

How important/urgent is the problem for you?

In your view, is this a defect or a feature request?

defect

Please provide any additional information below.

Index: TestResultSet.java
===========================================================
========
--- TestResultSet.java  (revision 2387)
+++ TestResultSet.java  (working copy)
@@ -115,6 +115,13 @@
         rs.next();
         rs.getString("x");
         rs.getString("y");
+   ResultSetMetaData md = rs.getMetaData();
+   int count = md.getColumnCount();
+   assertTrue("Column count was not 1", count == 1);
+
+   String cname = md.getColumnName(count);
+   assertTrue("Column was " + cname + " instead of y", 
cname.equalsIgnoreCase("y"));
+
         rs.close();
         rs = conn.getMetaData().getColumns(null, null, null, null);
         ResultSetMetaData meta = rs.getMetaData();

Original issue reported on code.google.com by shawn.el...@gmail.com on 27 Feb 2010 at 5:18

akarshan2701 / h2database

Wrong column name being returned from ResultSet meta data #172