Class: Arel::Update

Inherits:
Insert show all
Defined in:
lib/arel/algebra/relations/writes.rb

Instance Attribute Summary

Attributes inherited from Insert

#record

Attributes inherited from Compound

#engine, #relation

Attributes included from Relation

#count

Instance Method Summary collapse

Methods inherited from Insert

#eval, #initialize

Methods inherited from Compound

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

Methods included from Relation

#[], #alias, #attributes, #bind, #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, #locked, #order_clauses, #orders, #outer_join, #position_of, #primary_key, #project, #projections, #select_clauses, #session, #skip, #skipped, #sources, #take, #taken, #update, #where, #where_clauses, #wheres

Constructor Details

This class inherits a constructor from Arel::Insert

Instance Method Details

#callObject



39
40
41
# File 'lib/arel/algebra/relations/writes.rb', line 39

def call
  engine.update(self)
end

#to_sqlObject



43
44
45
# File 'lib/arel/algebra/relations/writes.rb', line 43

def to_sql
  compiler.update_sql
end