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