Bug 182656 The result is incorrect when a level has two parents[07][1101]
Description: The result is incorrect when a level has two parents[07][1101] Build number: 2.2.0.v20070417-0630 Steps to reproduce: -If the bottom level has two parents , we will considered that a invalid fact table. But now the fact table can get the result, and the result is incorrect.
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataSetIterator.java
* @return
		 */
		public int getFieldIndex( String fieldName )
		{
			return ( (ColumnMeta) this.columnMetaMap.get( fieldName ) ).getIndex( );
		}
		/**
		 * 
		 * @param fieldName
		 * @return
		 */
		public int getFieldType( String fieldName )
		{
			return ( (ColumnMeta) this.columnMetaMap.get( fieldName ) ).getType( );
		}
		/**
		 * 
		 * @param index
		 * @return
		 */
		public String getFieldName( int index )
		{
			return ( (ColumnMeta) this.indexMap.get( new Integer( index ) ) ).getName( );
		}
	}
	/**
	 * 
	 *
	 */
	private class ColumnMeta