Bug 164586 [compatibility]Preview attached report throws multiple exception[0901]
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/internal/adapter/DataAdapterUtil.java
.equals( DesignChoiceConstants.SEARCH_TYPE_NONE );
			dteColumn.setSearchHint( searchHint );
		}
	}
	
	/**
	 * Find the DtE columnDefn from the given list of columnDefns that matches
	 * the given columnName.
	 */
	private static ColumnDefinition findColumnDefn( List columnDefns, String columnName )
	{
		assert columnName != null;
		if ( columnDefns == null )
			return null; 
		Iterator iter = columnDefns.iterator( );
		if ( iter == null )
			return null;
		
		
		while ( iter.hasNext( ) )
		{
			ColumnDefinition column = ( ColumnDefinition ) iter.next( );
			if ( columnName.equals( column.getColumnName( ) ) )
				return column;
		}
		return null;
	}
	/**
	 * Gets the data handle's static ROM extension properties name and value
	 * pairs in String values and returns them in a Map