2009/7/30 michal <[email protected]> > > http://nhjira.koah.net/browse/NH-1905 > > Thanks for the workaround, it saved my day...
You are welcome. > > > > On 30 Lip, 13:15, Fabio Maulo <[email protected]> wrote: > > New HQL ANTLR base parser bug.Please JIRA with test case. > > The best workaround is : > > <property name ="query.factory_class"> > > NHibernate.Hql.Classic.ClassicQueryTranslatorFactory, NHibernate > > </property> > > > > 2009/7/30 michal <[email protected]> > > > > > > > > > > > > > Hello > > > > > After migration from NH 2.0.1 to 2.1.0 , I have huge problem with HQL > > > joins. They worked well in 2.0.1. > > > > > For example : > > > There are three classes : Mas, Det, El . Det has many-to-one relation > > > to Mas. Mas has many-to-may relation to El. > > > > > HQL: select d from Det d where (SELECT count(e) FROM d.Mas.Els e WHERE > > > e.Descr='e1')>0 > > > > > SQL (proper) : > > > select det0_.Id as Id2_, det0_.Descr as Descr2_, det0_.IdMas as > > > IdMas2_ from det det0_ where (select count(el3_.Id) from mas mas1_, > > > MasEls els2_, Els el3_ where det0_.IdMas=mas1_.Id and > > > mas1_.Id=els2_.IdMas and els2_.IdEls=el3_.Id and el3_.Descr='e1')>0 > > > > > But adding a simple join , makes the resulting subquery a real mess, > > > wrong table is used : > > > > > HQL: select d from Det d left join d.Mas where (SELECT count(e) FROM > > > d.Mas.Els e WHERE e.Descr='e1')>0 > > > > > SQL (bad) : > > > select det0_.Id as Id2_, det0_.Descr as Descr2_, det0_.IdMas as > > > IdMas2_ from det det0_ left outer join mas mas1_ on > > > det0_.IdMas=mas1_.Id where (select count(mas1_.Id) from mas mas1_ > > > where mas1_.Descr='e1')>0 > > > > > I need this joins because in my real app queries are more complicated > > > and dynamically build, without them I do not get some results. I know > > > the workaround, it is : > > > select d from Det d left join d.Mas m where (SELECT count(e) FROM > > > m.Els e WHERE e.Descr='e1')>0 > > > > > but it means reviewing tons of code for me. Why it is working > > > different than in 2.0.1 ? Can be an old behaviour restored by some way > > > or is this a bug ? I didn't find anything about joins in breaking > > > changes list. > > > > > Please help. > > > > > Example class mappings below > > > <class name="Mas" table="mas" > > > > <id name="Id" type="Int32" > > > > <generator class="assigned" /> > > > </id> > > > > > <property name="Descr" type="String" /> > > > <set name="Els" table="MasEls" > > > > <key column="IdMas" /> > > > <many-to-many column="IdEls" class="El"/> > > > </set> > > > </class> > > > > > <class name="Det" table="det" > > > > <id name="Id" type="Int32" > > > > <generator class="assigned" /> > > > </id> > > > > > <property name="Descr" type="String" /> > > > <many-to-one class="Mas" name="Mas" column="IdMas" /> > > > </class> > > > > > <class name="El" table="Els" > > > > <id name="Id" type="Int32" > > > > <generator class="assigned" /> > > > </id> > > > <property name="Descr" type="String" /> > > > </class> > > > > -- > > Fabio Maulo > > > -- 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 -~----------~----~----~----~------~----~------~--~---
