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-rw-r--r--db/migrate/20180306134842_add_missing_indexes_acts_as_taggable_on_engine.rb21
1 files changed, 21 insertions, 0 deletions
diff --git a/db/migrate/20180306134842_add_missing_indexes_acts_as_taggable_on_engine.rb b/db/migrate/20180306134842_add_missing_indexes_acts_as_taggable_on_engine.rb
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+++ b/db/migrate/20180306134842_add_missing_indexes_acts_as_taggable_on_engine.rb
@@ -0,0 +1,21 @@
+# This migration comes from acts_as_taggable_on_engine (originally 6)
+#
+# It has been modified to handle no-downtime GitLab migrations. Several
+# indexes have been removed since they are not needed for GitLab.
+class AddMissingIndexesActsAsTaggableOnEngine < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+
+ DOWNTIME = false
+
+ disable_ddl_transaction!
+
+ def up
+ add_concurrent_index :taggings, :tag_id unless index_exists? :taggings, :tag_id
+ add_concurrent_index :taggings, [:taggable_id, :taggable_type] unless index_exists? :taggings, [:taggable_id, :taggable_type]
+ end
+
+ def down
+ remove_concurrent_index :taggings, :tag_id
+ remove_concurrent_index :taggings, [:taggable_id, :taggable_type]
+ end
+end