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rails--rails/lib/arel/nodes.rb
Daniel Cadenas 11f929b5c4 Add nodes for boolean constants
This is useful for dynamically created predicates e.g:

expr1 = table.create_false
expr2 = table.create_false

expr1 = create_a_predicate() if some_condition
expr2 = create_another_predicate() if some_other_condition

table.where(expr1.and(expr2))
2011-08-03 20:50:03 -03:00

46 lines
1.1 KiB
Ruby

# node
require 'arel/nodes/node'
require 'arel/nodes/select_statement'
require 'arel/nodes/select_core'
require 'arel/nodes/insert_statement'
require 'arel/nodes/update_statement'
# terminal
require 'arel/nodes/terminal'
require 'arel/nodes/true'
require 'arel/nodes/false'
# unary
require 'arel/nodes/unary'
require 'arel/nodes/ascending'
require 'arel/nodes/descending'
require 'arel/nodes/unqualified_column'
require 'arel/nodes/with'
# binary
require 'arel/nodes/binary'
require 'arel/nodes/equality'
require 'arel/nodes/in' # Why is this subclassed from equality?
require 'arel/nodes/join_source'
require 'arel/nodes/delete_statement'
require 'arel/nodes/table_alias'
require 'arel/nodes/infix_operation'
# nary
require 'arel/nodes/and'
# function
# FIXME: Function + Alias can be rewritten as a Function and Alias node.
# We should make Function a Unary node and deprecate the use of "aliaz"
require 'arel/nodes/function'
require 'arel/nodes/count'
require 'arel/nodes/values'
require 'arel/nodes/named_function'
# joins
require 'arel/nodes/inner_join'
require 'arel/nodes/outer_join'
require 'arel/nodes/string_join'
require 'arel/nodes/sql_literal'