Re: Left Outer Join Question
| От | Edward Murray |
|---|---|
| Тема | Re: Left Outer Join Question |
| Дата | |
| Msg-id | a5hsn1$186s$1@jupiter.hub.org обсуждение исходный текст |
| Ответ на | Re: Left Outer Join Question ("Christopher Kings-Lynne" <chriskl@familyhealth.com.au>) |
| Список | pgsql-sql |
Chris,This has not fixed it.Thanks for your post. Regards Ed Murray >> select category.name, count(items.recordnum) from category left outer >> join items on (category.recordnum = items.catnum) where >> category.recordnum = section_subcats.catnum and >> section_subcats.sectionnum = 1 and items.clientnum = 333 group by >> category.name; > > Try using: > > count(coalesce(items.recordnum, 0)) > > instead of: > > count(items.recordnum) > > I can't guarantee that it will work - I haven't tried it myself. What's > probably happening is that count isn't counting NULLs? > > Chris > > > ---------------------------(end of broadcast)--------------------------- > TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org
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