Add mysql and pg specific attributes to Column#== and hash

1 files changed, 11 insertions, 0 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index e4cfe843a8..c5dd93ee89 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -91,6 +91,13 @@ module ActiveRecord
           collation && !collation.match(/_ci$/)
         end
 
+        def ==(other)
+          super &&
+            collation == other.collation &&
+            strict == other.strict &&
+            extra == other.extra
+        end
+
         private
 
         # MySQL misreports NOT NULL column default when none is given.
@@ -109,6 +116,10 @@ module ActiveRecord
             raise ArgumentError, "#{type} columns cannot have a default value: #{default.inspect}"
           end
         end
+
+        def attributes_for_hash
+          super + [collation, strict, extra]
+        end
       end
 
       ##