1 files changed, 8 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
index b31ce0a181..ef1d9f81a9 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
@@ -154,8 +154,8 @@ module ActiveRecord
         Arel::Visitors::ToSql.new(self)
       end
 
-      def valid_type?(type)
-        false
+      def valid_type?(type) # :nodoc:
+        !native_database_types[type].nil?
       end
 
       def schema_creation
@@ -232,10 +232,10 @@ module ActiveRecord
         self.class::ADAPTER_NAME
       end
 
-      # Does this adapter support migrations?
-      def supports_migrations?
-        false
+      def supports_migrations? # :nodoc:
+        true
       end
+      deprecate :supports_migrations?
 
       def supports_primary_key? # :nodoc:
         true
@@ -439,6 +439,9 @@ module ActiveRecord
       # This is done under the hood by calling #active?. If the connection
       # is no longer active, then this method will reconnect to the database.
       def verify!(*ignored)
+        if ignored.size > 0
+          ActiveSupport::Deprecation.warn("Passing arguments to #verify method of the connection has no effect and has been deprecated. Please remove all arguments from the #verify method call.")
+        end
         reconnect! unless active?
       end