Bug 129144 Support suppressDuplicates property on table row in report engine
See 129143 for detail. This only needs to be supported for data item in a detail row of a table.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
rule.setTestExpression( defaultStr );
		}
		else
		{
			
			return null;
		}
		ConditionalExpression condExpr = new ConditionalExpression( rule
				.getTestExpression( ),
				toDteFilterOperator( rule.getOperator( ) ), rule.getValue1( ),
				rule.getValue2( ) );
		rule.setConditionExpr( condExpr );
		return rule;
	}
	/**
	 * Checks if a given style is in report's style list, if not, assign a
	 * unique name to it and then add it to the style list.
	 * 
	 * @param style
	 *            The <code>StyleDeclaration</code> object.
	 * @return the name of the style.
	 */
	private String assignStyleName( StyleDeclaration style )
	{
		if ( style == null || style.isEmpty( ) )
		{
			return null;
		}
		
		for ( int i = 0; i < report.getStyleCount( ); i++ )