Fix resultset results after updateBinaryStream

Hi,

The current UpdateableResultSet tests did not properly test more complex binary data updating.
The following patch makes the test a bit harder and fixes the driver to pass the test.

Index: org/postgresql/test/jdbc2/UpdateableResultTest.java
===================================================================
RCS file: /usr/local/cvsroot/pgjdbc/pgjdbc/org/postgresql/test/jdbc2/UpdateableResultTest.java,v
retrieving revision 1.24
diff -u -r1.24 UpdateableResultTest.java
--- org/postgresql/test/jdbc2/UpdateableResultTest.java    16 Apr 2007 16:36:41 -0000    1.24
+++ org/postgresql/test/jdbc2/UpdateableResultTest.java    20 Jul 2007 22:28:21 -0000
@@ -10,6 +10,8 @@
 package org.postgresql.test.jdbc2;

 import java.sql.*;
+import java.util.Arrays;
+
 import junit.framework.TestCase;

 import java.io.InputStream;
@@ -238,25 +240,26 @@
         String string = "Hello";
         InputStream asi = new ByteArrayInputStream(string.getBytes("US-ASCII"));
         Reader chr = new StringReader(string);
-        InputStream bin = new ByteArrayInputStream(string.getBytes("US-ASCII"));
+        byte[] bytes = new byte[]{0,'\\',(byte) 128,(byte) 255};
+        InputStream bin = new ByteArrayInputStream(bytes);

         rs.updateInt("id", 2);
         rs.updateAsciiStream("asi", asi, 5);
         rs.updateCharacterStream("chr", chr, 5);
-        rs.updateBinaryStream("bin", bin, 5);
+        rs.updateBinaryStream("bin", bin, bytes.length);
         rs.updateRow();

         assertEquals(2, rs.getInt(1));
         assertEquals(string, rs.getString(2));
         assertEquals(string, rs.getString(3));
-        assertEquals(string, rs.getString(4));
+        assertEquals("Got wrong bytes immediately after update", Arrays.toString(bytes),
Arrays.toString(rs.getBytes(4)));

         rs.refreshRow();

         assertEquals(2, rs.getInt(1));
         assertEquals(string, rs.getString(2));
         assertEquals(string, rs.getString(3));
-        assertEquals(string, rs.getString(4));
+        assertEquals("Got wrong bytes from database", Arrays.toString(bytes), Arrays.toString(rs.getBytes(4)));

         rs.close();
         stmt.close();
Index: org/postgresql/jdbc2/AbstractJdbc2ResultSet.java
===================================================================
RCS file: /usr/local/cvsroot/pgjdbc/pgjdbc/org/postgresql/jdbc2/AbstractJdbc2ResultSet.java,v
retrieving revision 1.94
diff -u -r1.94 AbstractJdbc2ResultSet.java
--- org/postgresql/jdbc2/AbstractJdbc2ResultSet.java    16 Apr 2007 16:36:41 -0000    1.94
+++ org/postgresql/jdbc2/AbstractJdbc2ResultSet.java    20 Jul 2007 22:28:21 -0000
@@ -1205,6 +1205,7 @@

         if ( rs.next() )
         {
+            System.arraycopy(rs.fields, 0, fields, 0, numColumns);
             rowBuffer = rs.rowBuffer;
         }

@@ -1657,6 +1658,7 @@
         {
             String columnName = (String) columns.next();
             int columnIndex = findColumn( columnName ) - 1;
+            fields[columnIndex].setFormat(Field.TEXT_FORMAT);

             Object valueObject = updateValues.get(columnName);
             if (valueObject instanceof NullObject)
@@ -1709,6 +1711,13 @@
                     // Should never happen?
                     break;

+                case Types.BINARY:
+                case Types.LONGVARBINARY:
+                case Types.VARBINARY:
+                    fields[columnIndex].setFormat(Field.BINARY_FORMAT);
+                    rowBuffer[columnIndex] = (byte[]) valueObject;
+                    break;
+
                 default:
                     rowBuffer[columnIndex] = (byte[]) valueObject;
                 }