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
}
		
		/*
		 * (non-Javadoc)
		 * @see org.eclipse.birt.data.engine.executor.transform.IComputedColumnsState#getExpression(int)
		 */
		public IBaseExpression getExpression( int index ) throws DataException
		{
			return ((IBinding) exprs[index]).getExpression( );
		}
		/*
		 * (non-Javadoc)
		 * @see org.eclipse.birt.data.engine.executor.transform.IComputedColumnsState#setValueAvailable(int)
		 */
		public void setValueAvailable( int index )
		{
			this.isValueAvailable[index] = true;		
		}
		/*
		 * (non-Javadoc)
		 * @see org.eclipse.birt.data.engine.executor.transform.IComputedColumnsState#getCount()
		 */
		public int getCount( )
		{
			return this.isValueAvailable.length;
		}
		/*
		 * (non-Javadoc)
		 * @see org.eclipse.birt.data.engine.executor.transform.IComputedColumnsState#getComputedColumn(int)
		 */