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
{
	
	private int cacheOption;
	
	private int alwaysCacheRowCount;
	
	private IBaseDataSourceDesign dataSourceDesign;
	private IBaseDataSetDesign dataSetDesign;
	private Collection parameterHints;
	private Map appContext;
	
	private CacheMapManager JVMLevelCacheMapManager;
	private CacheMapManager DteLevelCacheMapManager;
	private CacheMapManager cacheMapManager;
	
	private int mode;
	
	/**
	 * user specified cache root directory.