grails-2.5

Well there was a point in the Grails Declarative Transactions . It said: The grails.transaction.Transactional annotation was first introduced in Grails 2.3. Prior to 2.3, Spring's @Transactional annotation was used. But I can't seem to find out what the main difference between those two annotations is. Why was the Spring's annotation not used in future releases? I would like to address this comment "However, in 2.3 the team felt it was a good idea (I disagree personally) to introduce a new annotation which could be applied not only to Services but also to Controllers.” It was never the primary

I've found similar questions, but no answers. class SomeDomain { static hasMany= [productData:ProductData] } ProductData is simple type/value pair I'm trying to find all SomeDomains that have multiple products of certain type (in a loop). Currently the relevant portion of the criteria looks like: SomeDomain.createCriteria.list { somedata.each { type, value -> productData { eq("type", type) eq("value", value) } } } However, this generates only a single join with the SQL: from some_domain this_ inner join product_data productdata_a1_ on this_.id=productdata_a1_.some_domain_id where (productdata