Bug 213824 The data fetch setting in dataset(row limit number) isn't effect.
Steps To Reproduce: Please refer to issue #210606, the data fetch setting in dataset isn't effect. Thanks.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/executor/DataSetCacheManager.java
this.cacheMapManager.resetForTest( );
		}
	}
	/**
	 * Return the cached result metadata. Please note that parameter hint will
	 * not change the returned metadata.
	 * 
	 * @return
	 * @throws DataException
	 */
	public IResultMetaData getCachedResultMetadata(
			IBaseDataSourceDesign dataSource, IBaseDataSetDesign dataSet )
			throws DataException
	{
		switchCacheMap( dataSet );
		IResultClass resultClass = this.cacheMapManager.getCachedResultClass( DataSourceAndDataSet.newInstance( dataSource,
				dataSet,
				null ) );
		if ( resultClass != null )
			return new ResultMetaData( resultClass );
		else
			return null;
	}
	
	/**
	 * get the user specified cache root directory.
	 * @return
	 */
	public String getTempDir( )
	{