32 lines
893 B
Ruby
32 lines
893 B
Ruby
# frozen_string_literal: true
|
|
|
|
class CreateFunctionGitlabSchemaPreventWrite < Gitlab::Database::Migration[2.0]
|
|
TRIGGER_FUNCTION_NAME = 'gitlab_schema_prevent_write'
|
|
|
|
enable_lock_retries!
|
|
|
|
# This migration is only to make sure that the lock-write trigger function
|
|
# matches what we already have on staging/production for Gitlab.com
|
|
|
|
def up
|
|
execute(<<~SQL)
|
|
CREATE OR REPLACE FUNCTION #{TRIGGER_FUNCTION_NAME}()
|
|
RETURNS TRIGGER AS
|
|
$$
|
|
BEGIN
|
|
RAISE EXCEPTION 'Table: "%" is write protected within this Gitlab database.', TG_TABLE_NAME
|
|
USING ERRCODE = 'modifying_sql_data_not_permitted',
|
|
HINT = 'Make sure you are using the right database connection';
|
|
END
|
|
$$ LANGUAGE PLPGSQL
|
|
SQL
|
|
end
|
|
|
|
def down
|
|
return if Gitlab.com?
|
|
|
|
execute(<<~SQL)
|
|
DROP FUNCTION #{TRIGGER_FUNCTION_NAME}
|
|
SQL
|
|
end
|
|
end
|