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author | Matthew Draper <matthew@trebex.net> | 2018-04-25 08:18:02 +0930 |
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committer | GitHub <noreply@github.com> | 2018-04-25 08:18:02 +0930 |
commit | 989b1cb4a326632a686d61df42695b27e4ef6b2e (patch) | |
tree | 026a41714b44dba185f084f8f21bb81eb01db681 /activerecord/lib/arel/nodes/casted.rb | |
parent | 7e815415edbe42f1df64d786a8f923a171778d64 (diff) | |
parent | 354f1c28e81d9846fb9e5346fcca50cf303c12c1 (diff) | |
download | rails-989b1cb4a326632a686d61df42695b27e4ef6b2e.tar.gz rails-989b1cb4a326632a686d61df42695b27e4ef6b2e.tar.bz2 rails-989b1cb4a326632a686d61df42695b27e4ef6b2e.zip |
Merge pull request #32097 from matthewd/arel
Merge Arel
Diffstat (limited to 'activerecord/lib/arel/nodes/casted.rb')
-rw-r--r-- | activerecord/lib/arel/nodes/casted.rb | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/activerecord/lib/arel/nodes/casted.rb b/activerecord/lib/arel/nodes/casted.rb new file mode 100644 index 0000000000..c1e6e97d6d --- /dev/null +++ b/activerecord/lib/arel/nodes/casted.rb @@ -0,0 +1,46 @@ +# frozen_string_literal: true + +module Arel # :nodoc: all + module Nodes + class Casted < Arel::Nodes::NodeExpression # :nodoc: + attr_reader :val, :attribute + def initialize(val, attribute) + @val = val + @attribute = attribute + super() + end + + def nil?; @val.nil?; end + + def hash + [self.class, val, attribute].hash + end + + def eql?(other) + self.class == other.class && + self.val == other.val && + self.attribute == other.attribute + end + alias :== :eql? + end + + class Quoted < Arel::Nodes::Unary # :nodoc: + alias :val :value + def nil?; val.nil?; end + end + + def self.build_quoted(other, attribute = nil) + case other + when Arel::Nodes::Node, Arel::Attributes::Attribute, Arel::Table, Arel::Nodes::BindParam, Arel::SelectManager, Arel::Nodes::Quoted, Arel::Nodes::SqlLiteral + other + else + case attribute + when Arel::Attributes::Attribute + Casted.new other, attribute + else + Quoted.new other + end + end + end + end +end |