Ubiquo::Adapters::Sqlite::Sqlite3JdbcFunctions

    # File vendor/plugins/ubiquo_core/lib/ubiquo/adapters/sqlite.rb, line 73
73:         def create_function(name, arity, text_rep='default', &block)
74:           generic_function = Class.new(org.sqlite.Function)
75:           generic_function.class_eval do
76: 
77:             # All org.sqlite.Function subclasses must implement xFunc(),
78:             # which is called when SQLite runs the custom function
79:             define_method 'xFunc' do
80:               # receiver is the first expected argument for the block
81:               # receiver.result will be used by the block to store
82:               block_args = [receiver = OpenStruct.new]
83: 
84:               # prepare all the other block arguments
85:               args.times{|i| block_args << value_text(i)}
86: 
87:               # now call the given block and return the value using +result+
88:               block.call(*block_args)
89:               result(receiver.result)
90:             end
91: 
92:           end
93: 
94:           org.sqlite.Function.create(self.connection, name, generic_function.new)
95:         end