After upgrading to rails 4.1, acts-as-taggable-on is not working
acts-as-taggable-on, ruby-on-rails-4, ruby-on-rails-4.1
Solution
just we have to do,
rake acts_as_taggable_on_engine:install:migrations
Since acts-as-taggable-on has added new migrations.
Problem
I have upgraded my rails version of one my app to 4.1.0. While upgrading I have upgraded all gems from Gemfile, which upgraded acts-as-taggable-on to 3.1.1 too. but after upgrade, when I tried to add tags on respective object, it is failing with following error. ``` post = Post.last post.tag_list = "development" post.save ``` ERROR: column "taggings_count" does not exist details error is here: ``` SQL (0.9ms) UPDATE "tags" SET "taggings_count" = COALESCE("taggings_count", 0) - 1 WHERE "tags"."id" = 3146 PG::UndefinedColumn: ERROR: column "taggings_count" does not exist LINE 1: UPDATE "tags" SET "taggings_count" = COALESCE("taggings_coun... ^ : UPDATE "tags" SET "taggings_count" = COALESCE("taggings_count", 0) - 1 WHERE "tags"."id" = 3146 (0.3ms) ROLLBACK ActiveRecord::StatementInvalid: PG::UndefinedColumn: ERROR: column "taggings_count" does not exist LINE 1: UPDATE "tags" SET "taggings_count" = COALESCE("taggings_coun... ^ : UPDATE "tags" SET "taggings_count" = COALESCE("taggings_count", 0) - 1 WHERE "tags"."id" = 3146 ```