which is the SQL you can write to sole your problem ? On Wed, Aug 18, 2010 at 8:20 AM, sasha revzin <[email protected]> wrote:
> 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]<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]. For more options, visit this group at http://groups.google.com/group/nhusers?hl=en.
