12345678910111213 |
- class AddCaseInsensitiveBtreeIndexToTags < ActiveRecord::Migration[5.2]
- disable_ddl_transaction!
- def up
- safety_assured { execute 'CREATE UNIQUE INDEX CONCURRENTLY index_tags_on_name_lower_btree ON tags (lower(name) text_pattern_ops)' }
- remove_index :tags, name: 'index_tags_on_name_lower'
- end
- def down
- safety_assured { execute 'CREATE UNIQUE INDEX CONCURRENTLY index_tags_on_name_lower ON tags (lower(name))' }
- remove_index :tags, name: 'index_tags_on_name_lower_btree'
- end
- end
|