use the schema migration model to dump schema info

2 files changed, 8 insertions, 3 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
index bfd5121a70..6b05de3614 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -1,4 +1,5 @@
 require 'active_support/deprecation/reporting'
+require 'active_record/schema_migration'
 
 module ActiveRecord
   module ConnectionAdapters # :nodoc:
@@ -404,8 +405,10 @@ module ActiveRecord
 
       def dump_schema_information #:nodoc:
         sm_table = ActiveRecord::Migrator.schema_migrations_table_name
-        migrated = select_values("SELECT version FROM #{sm_table} ORDER BY version")
-        migrated.map { |v| "INSERT INTO #{sm_table} (version) VALUES ('#{v}');" }.join("\n\n")
+
+        ActiveRecord::SchemaMigration.order('version').all.map { |sm|
+          "INSERT INTO #{sm_table} (version) VALUES ('#{sm.version}');"
+        }.join "\n\n"
       end
 
       # Should not be called normally, but this operation is non-destructive.
diff --git a/activerecord/lib/active_record/schema_migration.rb b/activerecord/lib/active_record/schema_migration.rb
index 5a04660dc3..bd57af8c76 100644
--- a/activerecord/lib/active_record/schema_migration.rb
+++ b/activerecord/lib/active_record/schema_migration.rb
@@ -1,4 +1,6 @@
-require 'active_record'
+require 'active_record/scoping/default'
+require 'active_record/scoping/named'
+require 'active_record/base'
 
 module ActiveRecord
   class SchemaMigration < ActiveRecord::Base