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“group by” clause in GORM/HibernateCriteriaBuilder

08-Feb-10

Just in case someone needs a code snippet.
This one groups Prices by PriceProvider and was intended to pick only last 5 values for each PriceProvider – but sadly, it’s impossible without window functions. Which are not supported in Hibernate in any way.

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Grails: mocking domain objects in unit tests

13-Jul-09

We’re trying Grails, Rails-like web application framework for Java.
It’s fine, just that Groovy debugger support is, er, imperfect, even in the best Gruoovy IDE – IDEA.
And, if you want to unit test, you won’t have fancy domain class methods addTo* – like Customer.addToOrders().
They’re generated by Grails on startup.
In order to have addTo*(), inherit from GrailsUnitTestCase [...]

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