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

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

Overview

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.

API:

  • private

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.

API:

  • private



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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.

API:

  • private



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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.

API:

  • private



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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.

API:

  • private



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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