withCriteria
目的 Purpose
Allows inline execution of Criteria queries. See the createCriteria method for reference.Return value
If no matching records are found, an empty List is returned.If a projection is specified:- returns a single value if it only contains one field
- a List in case there are multiple fields in the projection
使用例 Examples
def results = Book.withCriteria {
def now = new Date()
between('releaseDate', now-7, now)
like('title', '%Groovy%')
}詳細 Description
The withCriteria method allows the inline definition of Criteria. Arguments to the api:grails.orm.HibernateCriteriaBuilder can be passed as the first parameter:def book = Book.withCriteria(uniqueResult: true) { def now = new Date() between('releaseDate', now-7, now) like('title', '%Groovy%') }
Parameters:
arguments(optional) - A map of named arguments to be set on the Criteria instanceclosure- A closure that defines the criteria