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
public void setCacheOption( int cacheOption )
	{
		this.cacheOption = cacheOption;
	}
	/**
	 * 
	 * @return
	 */
	public int getCacheOption( )
	{
		return this.cacheOption;
	}
	/**
	 * Set the cache mode.
	 * 
	 * @param mode
	 */
	public void setCacheMode( int mode )
	{
		this.mode = mode;
	}
	
	/**
	 * @return
	 */
	public int suspendCache( )
	{
		int lastCacheOption = this.cacheOption;
		this.setCacheOption( DataEngineContext.CACHE_USE_DISABLE );
		this.setCacheMode( DataEngineContext.CACHE_MODE_IN_DISK );