i wrote if before :) select name, field1, field2, field3, (select count(*) from products where products.category_Id=categories.Id) as productCount from categories
On Wed, Aug 18, 2010 at 14:56, Fabio Maulo <[email protected]> wrote: > 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]<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.
