Methods for creating various nodes
# File lib/arel/factory_methods.rb, line 25 def create_and clauses Nodes::And.new clauses end
# File lib/arel/factory_methods.rb, line 9 def create_false Arel::Nodes::False.new end
# File lib/arel/factory_methods.rb, line 17 def create_join to, constraint = nil, klass = Nodes::InnerJoin klass.new(to, constraint) end
# File lib/arel/factory_methods.rb, line 29 def create_on expr Nodes::On.new expr end
# File lib/arel/factory_methods.rb, line 21 def create_string_join to create_join to, nil, Nodes::StringJoin end
# File lib/arel/factory_methods.rb, line 13 def create_table_alias relation, name Nodes::TableAlias.new(relation, name) end
# File lib/arel/factory_methods.rb, line 5 def create_true Arel::Nodes::True.new end
# File lib/arel/factory_methods.rb, line 33 def grouping expr Nodes::Grouping.new expr end
Create a LOWER() function
# File lib/arel/factory_methods.rb, line 39 def lower column Nodes::NamedFunction.new 'LOWER', [Nodes.build_quoted(column)] end