Class: ActiveRecord::Associations::JoinDependency::JoinAssociation

Inherits:
Object
  • Object
show all
Defined in:
lib/composite_primary_keys/associations/join_dependency/join_association.rb

Instance Method Summary collapse

Instance Method Details

#build_constraint(reflection, table, key, foreign_table, foreign_key) ⇒ Object 



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# File 'lib/composite_primary_keys/associations/join_dependency/join_association.rb', line 5

def build_constraint(reflection, table, key, foreign_table, foreign_key)
  # CPK
  # constraint = table[key].eq(foreign_table[foreign_key])
  constraint = cpk_join_predicate(table, key, foreign_table, foreign_key)

  if reflection.klass.finder_needs_type_condition?
    constraint = table.create_and([
      constraint,
      reflection.klass.send(:type_condition, table)
    ])
  end

  constraint
end