75 lines
2.9 KiB
Ruby
75 lines
2.9 KiB
Ruby
# frozen_string_literal: true
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class SwapEpicUserMentionsNoteIdToBigintForGitlabDotCom < Gitlab::Database::Migration[2.1]
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include Gitlab::Database::MigrationHelpers::ConvertToBigint
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disable_ddl_transaction!
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TABLE_NAME = 'epic_user_mentions'
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def up
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return unless should_run?
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swap
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end
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def down
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return unless should_run?
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swap
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end
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def swap
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# This will replace the existing epic_user_mentions_on_epic_id_and_note_id_index
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add_concurrent_index TABLE_NAME, [:epic_id, :note_id_convert_to_bigint], unique: true,
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name: 'epic_user_mentions_on_epic_id_and_note_id_convert_to_bigint'
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# This will replace the existing epic_user_mentions_on_epic_id_index
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add_concurrent_index TABLE_NAME, :epic_id, unique: true,
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name: 'tmp_epic_user_mentions_on_epic_id_index',
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where: 'note_id_convert_to_bigint IS NULL'
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# This will replace the existing index_epic_user_mentions_on_note_id
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add_concurrent_index TABLE_NAME, :note_id_convert_to_bigint, unique: true,
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name: 'index_epic_user_mentions_on_note_id_convert_to_bigint',
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where: 'note_id_convert_to_bigint IS NOT NULL'
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# This will replace the existing fk_rails_1c65976a49
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add_concurrent_foreign_key TABLE_NAME, :notes, column: :note_id_convert_to_bigint,
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name: 'fk_epic_user_mentions_note_id_convert_to_bigint',
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on_delete: :cascade
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with_lock_retries(raise_on_exhaustion: true) do
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execute "LOCK TABLE notes, #{TABLE_NAME} IN ACCESS EXCLUSIVE MODE"
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execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN note_id TO note_id_tmp"
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execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN note_id_convert_to_bigint TO note_id"
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execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN note_id_tmp TO note_id_convert_to_bigint"
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function_name = Gitlab::Database::UnidirectionalCopyTrigger
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.on_table(TABLE_NAME, connection: connection)
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.name(:note_id, :note_id_convert_to_bigint)
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execute "ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL"
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execute 'DROP INDEX IF EXISTS epic_user_mentions_on_epic_id_and_note_id_index'
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rename_index TABLE_NAME, 'epic_user_mentions_on_epic_id_and_note_id_convert_to_bigint',
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'epic_user_mentions_on_epic_id_and_note_id_index'
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execute 'DROP INDEX IF EXISTS epic_user_mentions_on_epic_id_index'
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rename_index TABLE_NAME, 'tmp_epic_user_mentions_on_epic_id_index',
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'epic_user_mentions_on_epic_id_index'
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execute 'DROP INDEX IF EXISTS index_epic_user_mentions_on_note_id'
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rename_index TABLE_NAME, 'index_epic_user_mentions_on_note_id_convert_to_bigint',
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'index_epic_user_mentions_on_note_id'
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execute "ALTER TABLE #{TABLE_NAME} DROP CONSTRAINT IF EXISTS fk_rails_1c65976a49"
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rename_constraint(TABLE_NAME, 'fk_epic_user_mentions_note_id_convert_to_bigint', 'fk_rails_1c65976a49')
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end
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end
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def should_run?
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com_or_dev_or_test_but_not_jh?
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end
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end
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