I see that we are only using it for testing so that we can skip the: testEmptyInListQuery query on certain Dialects. We could use this info when rendering the JPQL/HQL queries to throw an exception before executing the query. Nevertheless, an exception will be thrown anyway even if we don't do it. Vlad On Fri, Feb 16, 2018 at 11:21 AM, Bregler, Jonathan < jonathan.bregler(a)sap.com&gt; wrote: > Hi, > > HANA doesn't support empty IN lists, so executing an HQL query that gets > transformed into a SQL query with an empty IN list results in a SQL parser > error on the database side. I noticed that the Dialect class already > defines a method called "supportsEmptyInList()" which according to the > Javadoc returns "True if empty in lists are supported; false otherwise". > However, this method doesn't seem to be used anywhere in the Hibernate > code. Is there a reason for that? > > Thanks, > Jonathan > _______________________________________________ > hibernate-dev mailing list > hibernate-dev(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/hibernate-dev > _______________________________________________ hibernate-dev mailing list hibernate-dev(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/hibernate-dev

Ok, thanks. For some reason I missed the Jira issue. - Jonathan From: Guillaume Smet [mailto:guillaume.smet@gmail.com] Sent: Friday, February 16, 2018 11:39 AM To: Vlad Mihalcea <mihalcea.vlad(a)gmail.com&gt; Cc: Bregler, Jonathan <jonathan.bregler(a)sap.com>; hibernate-dev(a)lists.jboss.org Subject: Re: [hibernate-dev] Empty IN list support See this related issue: https://hibernate.atlassian.net/browse/HHH-8091 On Fri, Feb 16, 2018 at 11:23 AM, Vlad Mihalcea <mihalcea.vlad@gmail.com<mailto:mihalcea.vlad@gmail.com>> wrote: I see that we are only using it for testing so that we can skip the: testEmptyInListQuery query on certain Dialects. We could use this info when rendering the JPQL/HQL queries to throw an exception before executing the query. Nevertheless, an exception will be thrown anyway even if we don't do it. Vlad On Fri, Feb 16, 2018 at 11:21 AM, Bregler, Jonathan < jonathan.bregler@sap.com<mailto:jonathan.bregler@sap.com>> wrote: > Hi, > > HANA doesn't support empty IN lists, so executing an HQL query that gets > transformed into a SQL query with an empty IN list results in a SQL parser > error on the database side. I noticed that the Dialect class already > defines a method called "supportsEmptyInList()" which according to the > Javadoc returns "True if empty in lists are supported; false otherwise". > However, this method doesn't seem to be used anywhere in the Hibernate > code. Is there a reason for that? > > Thanks, > Jonathan > _______________________________________________ > hibernate-dev mailing list > hibernate-dev@lists.jboss.org<mailto:hibernate-dev@lists.jboss.org> > https://lists.jboss.org/mailman/listinfo/hibernate-dev > _______________________________________________ hibernate-dev mailing list hibernate-dev@lists.jboss.org<mailto:hibernate-dev@lists.jboss.org> https://lists.jboss.org/mailman/listinfo/hibernate-dev _______________________________________________ hibernate-dev mailing list hibernate-dev(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/hibernate-dev