From f6c0ef5553fde03ae3a04ba48733455a5415a3ac Mon Sep 17 00:00:00 2001 From: Stan Hu Date: Fri, 8 May 2015 00:27:47 -0700 Subject: Conditionally remove indices that may not exist in pre-GitLab v6.7 installations Closes #1593 --- ...8_add_missing_unique_indices.acts_as_taggable_on_engine.rb | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/db/migrate/20150425164648_add_missing_unique_indices.acts_as_taggable_on_engine.rb b/db/migrate/20150425164648_add_missing_unique_indices.acts_as_taggable_on_engine.rb index 4ca676f6c72..c1b78681519 100644 --- a/db/migrate/20150425164648_add_missing_unique_indices.acts_as_taggable_on_engine.rb +++ b/db/migrate/20150425164648_add_missing_unique_indices.acts_as_taggable_on_engine.rb @@ -3,8 +3,15 @@ class AddMissingUniqueIndices < ActiveRecord::Migration def self.up add_index :tags, :name, unique: true - remove_index :taggings, :tag_id - remove_index :taggings, [:taggable_id, :taggable_type, :context] + # pre-GitLab v6.7.0 may not have these indices since there were no + # migrations for them + if index_exists?(:taggings, :tag_id) + remove_index :taggings, :tag_id + end + + if index_exists?(:taggings, [:taggable_id, :taggable_type, :context]) + remove_index :taggings, [:taggable_id, :taggable_type, :context] + end add_index :taggings, [:tag_id, :taggable_id, :taggable_type, :context, :tagger_id, :tagger_type], unique: true, name: 'taggings_idx' -- cgit v1.2.1