Bug 131011 Support running query based on report document data
Data Engine should support running a query based on data set and expression data stored in a report document. This bugzilla entry serves as a repository for design docs and notes related to this feature.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/ResultIterator.java
* @see org.eclipse.birt.data.engine.api.IResultIterator#getInteger(java.lang.String)
	 */
	public Integer getInteger( String name ) throws BirtException
	{
		return DataTypeUtil.toInteger( getValue( name ) );
	}
	/*
	 * @see org.eclipse.birt.data.engine.api.IResultIterator#getDouble(java.lang.String)
	 */
	public Double getDouble( String name ) throws BirtException
	{
		return DataTypeUtil.toDouble( getValue( name ) );
	}
	
	/*
	 * @see org.eclipse.birt.data.engine.api.IResultIterator#getString(java.lang.String)
	 */
	public String getString( String name ) throws BirtException
	{
		return DataTypeUtil.toString( getValue( name ) );
	}
	
	/*
	 * @see org.eclipse.birt.data.engine.api.IResultIterator#getBigDecimal(java.lang.String)
	 */
	public BigDecimal getBigDecimal( String name ) throws BirtException
	{
		return DataTypeUtil.toBigDecimal( getValue( name ) );
	}