find
Purpose
Finds and returns the first result for the given query or null if no instance was foundExamples
// Dan brown's first book
Book.find("from Book as b where b.author='Dan Brown'")
// with a positional parameter
Book.find("from Book as b where b.author=?",['Dan Brown'])
// with a named parameter (since 0.5)
Book.find("from Book as b where b.author=:author",[author:'Dan Brown'])// query by example
def b = new Book(author:"Dan Brown")
Book.find(b)Description
The find method allows querying with Hibernate's query language HQL and querying by example. The basic syntax is:Book.find( String query )
Book.find( String query, Collection positionalParams )
Book.find( String query, Map namedParams )
Book.find( Book example )
query - An HQL querypositionalParams - A List of parameters for a positional parametrized HQL querynamedParams - A Map of named parameters a HQL queryexample - An instance of the domain class for query by example