not good, what if i will have ~10 columns that need be returned with product?
i will need to add them in group by i asked it already in stackoverflow: http://stackoverflow.com/questions/3500395/how-can-i-perform-this-query-in-nhibernate-for-getting-child-count but looks like nobody has an answer for simple question :( On Wed, Aug 18, 2010 at 14:05, Fabio Maulo <[email protected]> wrote: > group by > > On Wed, Aug 18, 2010 at 1:30 AM, sasha revzin <[email protected]>wrote: > >> no, this code will return me count of specific category: >> >> select count(*) from products p inner join categories c on >> p.category_Id=c.Id where c.Id=1 >> >> but what i need is category list with extra column that calculate product >> count for each category >> >> >> On Tue, Aug 17, 2010 at 14:28, José F. Romaniello <[email protected] >> > wrote: >> >>> You started wrong. If you are going to count Products, you should start >>> with Products: >>> >>> CurrentSession.CreateCriteria<Product>() >>> .CreateAlias("Category", "cat") >>> .Add(Restrictions.Eq("cat.Id", 1)) >>> .SetProjection(Projections.RowCount()) >>> .UniqueResult<int>(); >>> >>> >>> I am not really sure about the last part. >>> >>> >>> 2010/8/17 Sasha <[email protected]> >>> >>> select name, >>>> (select count(*) from products where >>>> products.category_Id=categories.Id) as productCount >>>> from categories >>>> >>>> starting with: >>>> session.CreateCriteria<Category>() >>>> >>>> but whats next? >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "nhusers" group. >>>> To post to this group, send email to [email protected]. >>>> To unsubscribe from this group, send email to >>>> [email protected]<nhusers%[email protected]> >>>> . >>>> For more options, visit this group at >>>> http://groups.google.com/group/nhusers?hl=en. >>>> >>>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "nhusers" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]<nhusers%[email protected]> >>> . >>> For more options, visit this group at >>> http://groups.google.com/group/nhusers?hl=en. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "nhusers" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]<nhusers%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/nhusers?hl=en. >> > > > > -- > Fabio Maulo > > -- > You received this message because you are subscribed to the Google Groups > "nhusers" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<nhusers%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/nhusers?hl=en. > -- You received this message because you are subscribed to the Google Groups "nhusers" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/nhusers?hl=en.
