diff options
Diffstat (limited to 'activerecord/lib/arel.rb')
| -rw-r--r-- | activerecord/lib/arel.rb | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/activerecord/lib/arel.rb b/activerecord/lib/arel.rb index 7d04e1cac6..dab785738e 100644 --- a/activerecord/lib/arel.rb +++ b/activerecord/lib/arel.rb @@ -35,6 +35,11 @@ module Arel # :nodoc: all 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 + ## Convenience Alias Node = Arel::Nodes::Node end |