Bug 122254 Not Like operator is missing in the Filter tab of Data Set window
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/adapter/ModelDteApiAdapter.java
/*
		 * has operator defined, try to convert filter condition to
		 * operator/operand style column filter with 0 to 2 operands
		 */
		String column = filterExpr;
		int dteOpr = toDteFilterOperator( filterOpr );
		String operand1 = modelFilter.getValue1( );
		String operand2 = modelFilter.getValue2( );
		return new FilterDefinition( new ConditionalExpression( column, dteOpr,
				operand1, operand2 ) );
	}
	private IColumnDefinition newColumnDefn( ResultSetColumnHandle modelColumn )
	{
		ColumnDefinition newColumn = new ColumnDefinition( modelColumn
				.getColumnName( ) );
		if ( modelColumn.getPosition( ) != null )
			newColumn
					.setColumnPosition( modelColumn.getPosition( ).intValue( ) );
		newColumn.setDataType( toDteDataType( modelColumn.getDataType( ) ) );
		return newColumn;
	}
	private void updateColumnDefn( ColumnDefinition dteColumn,
			ColumnHintHandle modelColumnHint )
	{
		assert dteColumn.getColumnName( ).equals(
				modelColumnHint.getColumnName( ) );
		dteColumn.setAlias( modelColumnHint.getAlias( ) );
		String exportConstant = modelColumnHint.getExport( );
		if ( exportConstant != null )
		{