module Sequel::Plugins::DefaultsSetter::ClassMethods
Attributes
default_values[R]
The default values to use for this model. A hash with column symbol keys
and default values. If the default values respond to call
, it
will be called to get the value, otherwise the value will be used directly.
You can manually modify this hash to set specific default values, by
default the ones will be parsed from the database.
Public Instance Methods
cache_default_values?()
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Whether default values should be cached in the values hash after being retrieved.
# File lib/sequel/plugins/defaults_setter.rb, line 75 def cache_default_values? @cache_default_values end
freeze()
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Freeze default values when freezing model class
Calls superclass method
# File lib/sequel/plugins/defaults_setter.rb, line 80 def freeze @default_values.freeze super end
Private Instance Methods
convert_default_value(v)
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Handle the CURRENT_DATE and CURRENT_TIMESTAMP values specially by returning an appropriate Date or Time/DateTime value.
# File lib/sequel/plugins/defaults_setter.rb, line 104 def convert_default_value(v) case v when Sequel::CURRENT_DATE lambda{Date.today} when Sequel::CURRENT_TIMESTAMP lambda{dataset.current_datetime} when Hash, Array v = Marshal.dump(v).freeze lambda{Marshal.load(v)} when Delegator # DelegateClass returns an anonymous case, which cannot be marshalled, so marshal the # underlying object and create a new instance of the class with the unmarshalled object. klass = v.class case o = v.__getobj__ when Hash, Array v = Marshal.dump(o).freeze lambda{klass.new(Marshal.load(v))} else v end else v end end
set_default_values()
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Parse the cached database schema for this model and set the default values appropriately.
# File lib/sequel/plugins/defaults_setter.rb, line 88 def set_default_values h = {} if @db_schema @db_schema.each do |k, v| if v[:callable_default] h[k] = v[:callable_default] elsif !v[:ruby_default].nil? h[k] = convert_default_value(v[:ruby_default]) end end end @default_values = h.merge!(@default_values || OPTS) end