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Number of tickets by category report

I'm working on making a report to show the number of tickets by category and I have a query that works, but I'd like to show all categories even if the number of tickets for a category is 0

Here's what I have so far. 


SELECT HD_QUEUE.NAME as 'Queue', HD_CATEGORY.NAME as 'Category', count(HD_TICKET.id) as 'Count'

FROM HD_QUEUE

INNER JOIN (HD_TICKET

INNER JOIN HD_CATEGORY ON HD_TICKET.HD_CATEGORY_ID = HD_CATEGORY.ID)

ON HD_QUEUE.ID = HD_TICKET.HD_QUEUE_ID

WHERE HD_TICKET.CREATED between (CURDATE() - INTERVAL 3 MONTH ) and CURDATE()

GROUP BY HD_QUEUE.NAME, HD_CATEGORY.NAME

ORDER BY count(HD_TICKET.id) DESC;


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Answers (1)

Posted by: IgorAngelini 10 months ago
Second Degree Blue Belt
0

The closest I could get was unioing a second query cross joining HD_QUEUE with HD_CATEGORY, but I can't filter the repeat rows, I don't know if it's going to help you in any way.


Try giving it a shot:


SELECT HD_QUEUE.NAME as 'Queue', HD_CATEGORY.NAME as 'Category' , count(HD_TICKET.id) as 'Count'

FROM HD_TICKET

LEFT JOIN HD_CATEGORY
     ON   HD_CATEGORY.ID = HD_TICKET.HD_CATEGORY_ID

LEFT JOIN HD_QUEUE
     ON   HD_QUEUE.ID = HD_TICKET.HD_QUEUE_ID

WHERE HD_TICKET.CREATED > NOW() - INTERVAL 3 MONTH

GROUP BY HD_QUEUE.NAME, HD_CATEGORY.NAME

UNION

SELECT HD_QUEUE.NAME as 'Queue', HD_CATEGORY.NAME as 'Category' , NULL

FROM HD_QUEUE

CROSS JOIN HD_CATEGORY

LEFT JOIN HD_TICKET
     ON   HD_QUEUE.ID = HD_TICKET.HD_QUEUE_ID
     
GROUP BY HD_QUEUE.NAME, HD_CATEGORY.NAME

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