37 lines
1.5 KiB
Ruby
37 lines
1.5 KiB
Ruby
class ConvertAwardNoteToEmojiAward < ActiveRecord::Migration[4.2]
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disable_ddl_transaction!
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def up
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if Gitlab::Database.postgresql?
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migrate_postgresql
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else
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migrate_mysql
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end
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end
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def down
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add_column :notes, :is_award, :boolean
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# This migration does NOT move the awards on notes, if the table is dropped in another migration, these notes will be lost.
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execute "INSERT INTO notes (noteable_type, noteable_id, author_id, note, created_at, updated_at, is_award) (SELECT awardable_type, awardable_id, user_id, name, created_at, updated_at, TRUE FROM award_emoji)"
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end
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def migrate_postgresql
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connection.transaction do
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execute 'LOCK notes IN EXCLUSIVE MODE'
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execute "INSERT INTO award_emoji (awardable_type, awardable_id, user_id, name, created_at, updated_at) (SELECT noteable_type, noteable_id, author_id, note, created_at, updated_at FROM notes WHERE is_award = true)"
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execute "DELETE FROM notes WHERE is_award = true"
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remove_column :notes, :is_award, :boolean
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end
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end
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def migrate_mysql
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execute 'LOCK TABLES notes WRITE, award_emoji WRITE;'
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execute 'INSERT INTO award_emoji (awardable_type, awardable_id, user_id, name, created_at, updated_at) (SELECT noteable_type, noteable_id, author_id, note, created_at, updated_at FROM notes WHERE is_award = true);'
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execute "DELETE FROM notes WHERE is_award = true"
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remove_column :notes, :is_award, :boolean
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ensure
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execute 'UNLOCK TABLES'
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end
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end
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