Module: Sequel::Plugins::ClassTableInheritance::ClassMethods

Defined in:
lib/sequel/plugins/class_table_inheritance.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#cti_ignore_subclass_columns ⇒ Object (readonly)

An array of columns that may be duplicated in sub-classes. The primary key column is always allowed to be duplicated



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# File 'lib/sequel/plugins/class_table_inheritance.rb', line 259

def cti_ignore_subclass_columns
  @cti_ignore_subclass_columns
end

#cti_instance_dataset ⇒ Object (readonly)

The dataset that table instance datasets are based on. Used for database modifications



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# File 'lib/sequel/plugins/class_table_inheritance.rb', line 245

def cti_instance_dataset
  @cti_instance_dataset
end

#cti_models ⇒ Object (readonly)

An array of each model in the inheritance hierarchy that is backed by a new table.



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# File 'lib/sequel/plugins/class_table_inheritance.rb', line 237

def cti_models
  @cti_models
end

#cti_qualify_tables ⇒ Object (readonly)

A boolean indicating whether or not to automatically qualify tables backing subclasses with the same qualifier as their superclass, if the superclass is qualified. Specified with the :qualify_tables option to the plugin and only applied to automatically determined table names (not to the :table_map option).



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# File 'lib/sequel/plugins/class_table_inheritance.rb', line 266

def cti_qualify_tables
  @cti_qualify_tables
end

#cti_table_columns ⇒ Object (readonly)

An array of column symbols for the backing database table, giving the columns to update in each backing database table.



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# File 'lib/sequel/plugins/class_table_inheritance.rb', line 241

def cti_table_columns
  @cti_table_columns
end

#cti_table_map ⇒ Object (readonly)

A hash with class name symbol keys and table name symbol values. Specified with the :table_map option to the plugin, and should be used if the implicit naming is incorrect.



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# File 'lib/sequel/plugins/class_table_inheritance.rb', line 255

def cti_table_map
  @cti_table_map
end

#cti_tables ⇒ Object (readonly)

An array of table symbols that back this model. The first is table symbol for the base model, and the last is the current model table symbol.



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# File 'lib/sequel/plugins/class_table_inheritance.rb', line 250

def cti_tables
  @cti_tables
end

Instance Method Details

#cti_table_name ⇒ Object

The name of the most recently joined table.



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# File 'lib/sequel/plugins/class_table_inheritance.rb', line 291

def cti_table_name
  cti_tables.last
end

#freeze ⇒ Object

Freeze CTI information when freezing model class.



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# File 'lib/sequel/plugins/class_table_inheritance.rb', line 269

def freeze
  @cti_models.freeze
  @cti_tables.freeze
  @cti_table_columns.freeze
  @cti_table_map.freeze
  @cti_ignore_subclass_columns.freeze

  super
end

#sti_class_from_key(key) ⇒ Object

The model class for the given key value.



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# File 'lib/sequel/plugins/class_table_inheritance.rb', line 296

def sti_class_from_key(key)
  sti_class(sti_model_map[key])
end

#table_name ⇒ Object

The table name for the current model class’s main table.



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# File 'lib/sequel/plugins/class_table_inheritance.rb', line 282

def table_name
  if cti_tables && cti_tables.length > 1
    @cti_alias
  else
    super
  end
end