Class: ROM::SQL::Schema::Inferrer Private

Inherits:
Object
  • Object
show all
Extended by:
ClassMacros
Defined in:
lib/rom/sql/schema/inferrer.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.[](type) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/rom/sql/schema/inferrer.rb', line 31

def self.[](type)
  Class.new(self) { db_type(type) }
end

.get(type) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/rom/sql/schema/inferrer.rb', line 35

def self.get(type)
  db_registry[type]
end

.inherited(klass) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/rom/sql/schema/inferrer.rb', line 25

def self.inherited(klass)
  super

  Inferrer.db_registry[klass.db_type] = klass unless klass.name.nil?
end

Instance Method Details

#call(dataset, gateway) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/rom/sql/schema/inferrer.rb', line 40

def call(dataset, gateway)
  columns = gateway.connection.schema(dataset)
  fks = fks_for(gateway, dataset)

  columns.each_with_object({}) do |(name, definition), attrs|
    type = build_type(definition.merge(foreign_key: fks[name]))
    attrs[name] = type.meta(name: name)
  end
end