applied patch submitted by Florian (mailing-list@urbanet.ch) for BigDecimal support

src/interfaces/jdbc/org/postgresql/jdbc1/PreparedStatement.java

@@ -242,9 +242,14 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
 	 * @exception SQLException if a database access error occurs
 	 */
 	public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException
+	{
+		if (x == null)
+			setNull(parameterIndex, Types.OTHER);
+		else
 		{
 		    set(parameterIndex, x.toString());
 		}
+	}
 
 	/*
 	 * Set a parameter to a Java String value.	The driver converts this

src/interfaces/jdbc/org/postgresql/jdbc2/Array.java

@@ -140,7 +140,7 @@ public class Array implements java.sql.Array
 			case Types.NUMERIC:
 				retVal = new BigDecimal[ count ];
 				for ( ; count > 0; count-- )
-					((BigDecimal[])retVal)[i] = ResultSet.toBigDecimal( arrayContents[(int)index++], 0 );
+					((BigDecimal[])retVal)[i++] = ResultSet.toBigDecimal( arrayContents[(int)index++], 0 );
 				break;
 			case Types.REAL:
 				retVal = new float[ count ];

src/interfaces/jdbc/org/postgresql/jdbc2/PreparedStatement.java

@@ -251,8 +251,12 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
 	 */
 	public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException
 	{
+	    if (x == null) {
+		setNull(parameterIndex, Types.OTHER);
+            } else {
 		set(parameterIndex, x.toString());
 	    }
+	}
 
 	/*
 	 * Set a parameter to a Java String value.	The driver converts this