Methods for creating various nodes
# File lib/arel/factory_methods.rb, line 26 def create_and clauses Nodes::And.new clauses end
# File lib/arel/factory_methods.rb, line 10 def create_false Arel::Nodes::False.new end
# File lib/arel/factory_methods.rb, line 18 def create_join to, constraint = nil, klass = Nodes::InnerJoin klass.new(to, constraint) end
# File lib/arel/factory_methods.rb, line 30 def create_on expr Nodes::On.new expr end
# File lib/arel/factory_methods.rb, line 22 def create_string_join to create_join to, nil, Nodes::StringJoin end
# File lib/arel/factory_methods.rb, line 14 def create_table_alias relation, name Nodes::TableAlias.new(relation, name) end
# File lib/arel/factory_methods.rb, line 6 def create_true Arel::Nodes::True.new end
# File lib/arel/factory_methods.rb, line 34 def grouping expr Nodes::Grouping.new expr end
Create a LOWER() function
# File lib/arel/factory_methods.rb, line 40 def lower column Nodes::NamedFunction.new 'LOWER', [Nodes.build_quoted(column)] end