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rails--rails/activerecord/lib/arel.rb
Ryuta Kamizono 49bcb008cb Fix eager loading polymorphic association with mixed table conditions
This fixes a bug that the `foreign_key` and the `foreign_type` are
separated as different table conditions if a polymorphic association has
a scope that joins another tables.
2019-02-18 00:41:43 +09:00

51 lines
1.3 KiB
Ruby

# frozen_string_literal: true
require "arel/errors"
require "arel/crud"
require "arel/factory_methods"
require "arel/expressions"
require "arel/predications"
require "arel/window_predications"
require "arel/math"
require "arel/alias_predication"
require "arel/order_predications"
require "arel/table"
require "arel/attributes"
require "arel/visitors"
require "arel/collectors/sql_string"
require "arel/tree_manager"
require "arel/insert_manager"
require "arel/select_manager"
require "arel/update_manager"
require "arel/delete_manager"
require "arel/nodes"
module Arel # :nodoc: all
VERSION = "10.0.0"
def self.sql(raw_sql)
Arel::Nodes::SqlLiteral.new raw_sql
end
def self.star
sql "*"
end
def self.arel_node?(value)
value.is_a?(Arel::Node) || value.is_a?(Arel::Attribute) || value.is_a?(Arel::Nodes::SqlLiteral)
end
def self.fetch_attribute(value)
case value
when Arel::Nodes::Between, Arel::Nodes::In, Arel::Nodes::NotIn, Arel::Nodes::Equality, Arel::Nodes::NotEqual, Arel::Nodes::LessThan, Arel::Nodes::LessThanOrEqual, Arel::Nodes::GreaterThan, Arel::Nodes::GreaterThanOrEqual
yield value.left.is_a?(Arel::Attributes::Attribute) ? value.left : value.right
end
end
## Convenience Alias
Node = Arel::Nodes::Node
end