Class: Arel::Lock

Inherits:

Compound

• Object
• Compound
• Arel::Lock

Defined in:

lib/arel/algebra/relations/operations/lock.rb

Instance Attribute Summary

• #locked ⇒ Object readonly

  Returns the value of attribute locked.

Attributes inherited from Compound

#engine, #relation

Attributes included from Relation

#count

Instance Method Summary

• #initialize(relation, locked) ⇒ Lock constructor

  A new instance of Lock.

Methods inherited from Compound

#attributes, #column_for, #externalizable?, #join?, #joins, #name, #skipped, #sources, #table, #table_alias, #table_sql, #taken, #unoperated_rows

Methods included from Relation

#[], #alias, #attributes, #bind, #call, #christener, #compiler, #delete, #each, #exclusion_predicate_sql, #externalizable?, #externalize, #find_attribute_matching_name, #from, #from_clauses, #group_clauses, #groupings, #having_clauses, #havings, #inclusion_predicate_sql, #insert, #inserts, #join, #join?, #joins, #lock, #order_clauses, #orders, #outer_join, #position_of, #primary_key, #project, #projections, #select_clauses, #session, #skip, #skipped, #sources, #take, #taken, #to_sql, #update, #where, #where_clauses, #wheres

Constructor Details

#initialize(relation, locked) ⇒ Lock

# File 'lib/arel/algebra/relations/operations/lock.rb', line 5

def initialize(relation, locked)
  super(relation)
  @locked = true == locked ? " FOR UPDATE" : locked
end

Instance Attribute Details

#locked ⇒ Object (readonly)

Returns the value of attribute locked.

# File 'lib/arel/algebra/relations/operations/lock.rb', line 3

def locked
  @locked
end