Only use DROP INDEX CONCURRENTLY on postgreql 9.2+

3 files changed, 5 insertions, 13 deletions

diff --git a/db/migrate/20170317203554_index_routes_path_for_like.rb b/db/migrate/20170317203554_index_routes_path_for_like.rb
index 7ac09b2abe5..8d3609135d0 100644
--- a/db/migrate/20170317203554_index_routes_path_for_like.rb
+++ b/db/migrate/20170317203554_index_routes_path_for_like.rb
@@ -21,9 +21,8 @@ class IndexRoutesPathForLike < ActiveRecord::Migration
 
   def down
     return unless Gitlab::Database.postgresql?
+    return unless index_exists?(:routes, :path, name: INDEX_NAME)
 
-    if index_exists?(:routes, :path, name: INDEX_NAME)
-      execute("DROP INDEX CONCURRENTLY #{INDEX_NAME};")
-    end
+    remove_concurrent_index_by_name(:routes, INDEX_NAME)
   end
 end
diff --git a/db/migrate/20170402231018_remove_index_for_users_current_sign_in_at.rb b/db/migrate/20170402231018_remove_index_for_users_current_sign_in_at.rb
index 9d4380ef960..84635fa39b9 100644
--- a/db/migrate/20170402231018_remove_index_for_users_current_sign_in_at.rb
+++ b/db/migrate/20170402231018_remove_index_for_users_current_sign_in_at.rb
@@ -11,13 +11,7 @@ class RemoveIndexForUsersCurrentSignInAt < ActiveRecord::Migration
   disable_ddl_transaction!
 
   def up
-    if index_exists? :users, :current_sign_in_at
-      if Gitlab::Database.postgresql?
-        execute 'DROP INDEX CONCURRENTLY index_users_on_current_sign_in_at;'
-      else
-        remove_concurrent_index :users, :current_sign_in_at
-      end
-    end
+    remove_concurrent_index :users, :current_sign_in_at
   end
 
   def down
diff --git a/db/migrate/20170503185032_index_redirect_routes_path_for_like.rb b/db/migrate/20170503185032_index_redirect_routes_path_for_like.rb
index 5b8b6c828be..8eb20faa03a 100644
--- a/db/migrate/20170503185032_index_redirect_routes_path_for_like.rb
+++ b/db/migrate/20170503185032_index_redirect_routes_path_for_like.rb
@@ -21,9 +21,8 @@ class IndexRedirectRoutesPathForLike < ActiveRecord::Migration
 
   def down
     return unless Gitlab::Database.postgresql?
+    return unless index_exists?(:redirect_routes, :path, name: INDEX_NAME)
 
-    if index_exists?(:redirect_routes, :path, name: INDEX_NAME)
-      execute("DROP INDEX CONCURRENTLY #{INDEX_NAME};")
-    end
+    remove_concurrent_index_by_name(:redirect_routes, INDEX_NAME)
   end
 end