Not really sure if this is by design, but please review the following:

succeeds:

em.createQuery("from EventsEvent where 1=1");

fails:

em.createQuery("from EventsEvent where true");

fails:

em.createQuery("from EventsEvent where 1");

exception:
org.hibernate.hql.internal.ast.QuerySyntaxException: unexpected AST node: true near line 1, column 85 [from tv.twelvetone.medusa.components.provider.sis.api.data.events.EventsEvent where true