Question : Retruning a count with GROUP_CONCAT

Hi,
The last line in my SELECT
'SE*',GROUP_CONCAT COUNT(*) (op.orders_products_id),'*', o.orders_id, '~'
errors out.
My previous GROUP_CONCAT works perfectly. What I'm trying to do with the second GROUP_CONCAT is return the number of rows the first GROUP_CONCAT generated by running the GROUP_CONCAT again and just count the rows, but it seems I'm a bit mixed up. Any input would be appreciated.
Thanks

Code Snippet:

         
           
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             /* create ST 850 PO for each order */
SELECT CONCAT('ST*850*', o.orders_id, '~',
              'BEG*00*SA*', o.orders_id, '**', CURDATE( ) +0, '~',
              'N1*BT*SuperStore~',
              'N3*4225 Spooner BLVD~',
              'N4*Wineville*CA*92056~',
              'N1*ST*', o.delivery_name, '~',
              'N3*', o.delivery_street_address, '~',
              'N4*', o.delivery_city, '*', o.delivery_state, '*', `delivery_postcode` , '~',
              GROUP_CONCAT(CONCAT(
                'PO1*',op.orders_products_id, '*', op.products_quantity, '*EA**VN*', op.products_model, '~',
                'PID*F****', op.products_name) SEPARATOR '~') , '~',
              'CTT*3*****~',
              'SE*',GROUP_CONCAT COUNT(*) (op.orders_products_id),'*', o.orders_id, '~'
              )
FROM orders o
INNER JOIN orders_products op ON op.orders_id = o.orders_id
WHERE o.orders_status = 5 AND o.isa_id = 0
GROUP BY o.orders_id;      /* May need to add OrderBy */

           
         

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Answer : Retruning a count with GROUP_CONCAT

I would do that with a sub query.

                       
         
           
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             /* create ST 850 PO for each order */
SELECT CONCAT('ST*850*', o.orders_id, '~',
              'BEG*00*SA*', o.orders_id, '**', CURDATE( ) +0, '~',
              'N1*BT*SuperStore~',
              'N3*4225 Spooner BLVD~',
              'N4*Wineville*CA*92056~',
              'N1*ST*', o.delivery_name, '~',
              'N3*', o.delivery_street_address, '~',
              'N4*', o.delivery_city, '*', o.delivery_state, '*', `delivery_postcode` , '~',
              GROUP_CONCAT(CONCAT(
                'PO1*',op.orders_products_id, '*', op.products_quantity, '*EA**VN*', op.products_model, '~',
                'PID*F****', op.products_name) SEPARATOR '~') , '~',
              'CTT*3*****~',
              'SE*', (select count(*) from orders_products p where p.orders_id = o.orders_id ),'*', o.orders_id, '~'
              )
FROM orders o
INNER JOIN orders_products op ON op.orders_id = o.orders_id
WHERE o.orders_status = 5 AND o.isa_id = 0
GROUP BY o.orders_id;      /* May need to add OrderBy */

           
         

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