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authorRyuta Kamizono <kamipo@gmail.com>2018-09-28 04:53:43 +0900
committerRyuta Kamizono <kamipo@gmail.com>2018-09-28 04:57:12 +0900
commitd0d1cd3d45f14e8423ee8ee3f4c19e999a69b96c (patch)
tree444ed242ff3691b039f15dc8d8b2c07b0e354354 /activerecord/lib/arel.rb
parentae406cd633dab2cafbc0d1bb5922d1ca40056ea0 (diff)
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Extract `Arel.arel_node?` helper method
Diffstat (limited to 'activerecord/lib/arel.rb')
-rw-r--r--activerecord/lib/arel.rb5
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