diff options
Diffstat (limited to 'db')
| -rw-r--r-- | db/migrate/20190726175042_add_case_insensitive_index_to_tags.rb | 15 | ||||
| -rw-r--r-- | db/schema.rb | 5 |
2 files changed, 17 insertions, 3 deletions
diff --git a/db/migrate/20190726175042_add_case_insensitive_index_to_tags.rb b/db/migrate/20190726175042_add_case_insensitive_index_to_tags.rb new file mode 100644 index 000000000..6fa8c0ec4 --- /dev/null +++ b/db/migrate/20190726175042_add_case_insensitive_index_to_tags.rb @@ -0,0 +1,15 @@ +class AddCaseInsensitiveIndexToTags < ActiveRecord::Migration[5.2] + disable_ddl_transaction! + + def up + safety_assured { execute 'CREATE UNIQUE INDEX CONCURRENTLY index_tags_on_name_lower ON tags (lower(name))' } + remove_index :tags, name: 'index_tags_on_name' + remove_index :tags, name: 'hashtag_search_index' + end + + def down + add_index :tags, :name, unique: true, algorithm: :concurrently + safety_assured { execute 'CREATE INDEX CONCURRENTLY hashtag_search_index ON tags (name text_pattern_ops)' } + remove_index :tags, name: 'index_tags_on_name_lower' + end +end diff --git a/db/schema.rb b/db/schema.rb index 6319dd932..1847305c7 100644 --- a/db/schema.rb +++ b/db/schema.rb @@ -10,7 +10,7 @@ # # It's strongly recommended that you check this file into your version control system. -ActiveRecord::Schema.define(version: 2019_07_15_164535) do +ActiveRecord::Schema.define(version: 2019_07_26_175042) do # These are extensions that must be enabled in order to support this database enable_extension "plpgsql" @@ -652,8 +652,7 @@ ActiveRecord::Schema.define(version: 2019_07_15_164535) do t.string "name", default: "", null: false t.datetime "created_at", null: false t.datetime "updated_at", null: false - t.index "lower((name)::text) text_pattern_ops", name: "hashtag_search_index" - t.index ["name"], name: "index_tags_on_name", unique: true + t.index "lower((name)::text)", name: "index_tags_on_name_lower", unique: true end create_table "tombstones", force: :cascade do |t| |