60 lines
2 KiB
Ruby
60 lines
2 KiB
Ruby
# frozen_string_literal: true
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# See https://docs.gitlab.com/ee/development/migration_style_guide.html
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# for more information on how to write migrations for GitLab.
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class SwapSentNotificationsIdColumns < 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 = :sent_notifications
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COLUMN_NAME = :id_convert_to_bigint
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INDEX_NAME = :index_sent_notifications_on_id_convert_to_bigint
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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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add_concurrent_index TABLE_NAME, COLUMN_NAME, unique: true, name: INDEX_NAME
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with_lock_retries(raise_on_exhaustion: true) do
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execute "LOCK TABLE #{TABLE_NAME} IN ACCESS EXCLUSIVE MODE"
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# Swap Columns
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temp_name = quote_column_name(:id_tmp)
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id_name = quote_column_name(:id)
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id_convert_to_bigint_name = quote_column_name(COLUMN_NAME)
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execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{id_name} TO #{temp_name}"
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execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{id_convert_to_bigint_name} TO #{id_name}"
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execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{temp_name} TO #{id_convert_to_bigint_name}"
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# Reset trigger
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function_name = Gitlab::Database::UnidirectionalCopyTrigger.on_table(TABLE_NAME, connection: connection)
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.name(:id, :id_convert_to_bigint)
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execute "ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL"
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execute "ALTER SEQUENCE #{TABLE_NAME}_id_seq OWNED BY #{TABLE_NAME}.id"
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change_column_default TABLE_NAME, :id, -> { "nextval('#{TABLE_NAME}_id_seq'::regclass)" }
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change_column_default TABLE_NAME, :id_convert_to_bigint, 0
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execute "ALTER TABLE #{TABLE_NAME} DROP CONSTRAINT #{TABLE_NAME}_pkey CASCADE"
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rename_index TABLE_NAME, INDEX_NAME, "#{TABLE_NAME}_pkey"
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execute "ALTER TABLE #{TABLE_NAME} ADD CONSTRAINT #{TABLE_NAME}_pkey PRIMARY KEY USING INDEX #{TABLE_NAME}_pkey"
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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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