Bug 172092 [regression][automation] __maxrows=1 url pattern did not work
steps to reproduce: - preview report using the following url fragment, preview?__report=report/regression_142673.rptdesign&__designer=true&__maxrows=1 expected behavior: - only one data row is displayed actual behavior/: - all data rows are displayed
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/EngineTask.java
{
				return DataTypeUtil.toBigDecimal( value );
			}
			else if ( DesignChoiceConstants.PARAM_TYPE_FLOAT.equals( type ) )
			{
				return DataTypeUtil.toDouble( value );
			}
			else if ( DesignChoiceConstants.PARAM_TYPE_STRING.equals( type ) )
			{
				return DataTypeUtil.toString( value );
			}
			else if ( DesignChoiceConstants.PARAM_TYPE_INTEGER.equals( type ) )
			{
				return DataTypeUtil.toInteger( value );
			}
			return value;
		}
		catch ( BirtException e )
		{
			log.log( Level.SEVERE, e.getLocalizedMessage( ), e );
		}
		return null;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.api2.IRunAndRenderTask#validateParameters()
	 */
	public boolean validateParameters( )
	{