Bug 189100 [Regression]X-axis data column issue[0001]
Description: [Regression]X-axis data column issue[0001] Step: 1.New a sample datasource and dataset from OFFICES 2.New a chart and use the dataset 3.Change the data type of OFFICECODE from string to integer. 4.Drop the column of OFFICECODE to Value(Y)Series. Actual result: Show the error message: Unable to use a text data to render a numerical/datetime axis.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/api/querydefn/BaseQueryDefinition.java
* @return Maximum number of rows. If 0, there is no limit on how many rows this query can retrieve.
	 */
	public int getMaxRows( ) 
	{
		return maxRowCount;
	}
	
	/**
	 * Sets the maximum number of detail rows that can be retrieved by this report query
	 * 
	 */
	public void setMaxRows( int maxRows ) 
	{
	    maxRowCount = maxRows;
	}
	
	
	/**
	 * @param name
	 * @param expression
	 * @deprecated
	 */
	public void addResultSetExpression( String name, IBaseExpression expression )
	{
		Binding binding = new Binding( name );
		binding.setExpression(expression );
		this.bindingMap.put( name, binding );
		
	}