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/executor/transform/pass/PassManager.java
/*			for( int i = 0; i < exprs.length; i ++ )
			{
				IBinding binding = ((IBinding)exprs[i]);
				
				if( binding.getExpression( ).getHandle( )== null )
				{
					this.isValueAvailable[i] = false;
				}else
				{
					this.isValueAvailable[i] = true;
				}
				
			}*/
		}
		
		/*
		 * (non-Javadoc)
		 * @see org.eclipse.birt.data.engine.executor.transform.IComputedColumnsState#isValueAvailable(int)
		 */
		public boolean isValueAvailable( int index )
		{
			return this.isValueAvailable[index];
		}
		/*
		 * (non-Javadoc)
		 * @see org.eclipse.birt.data.engine.executor.transform.IComputedColumnsState#getName(int)
		 */
		public String getName( int index )
		{
			return this.names[index].toString( );