diaspora/features/support/database_cleaner_patches.rb

36 lines
1.2 KiB
Ruby

# Copyright (c) 2010-2011, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
# disable_referential_integrity doesn't work when using PostgreSQL
# with a non-root user.
# See http://kopongo.com/2008/7/25/postgres-ri_constrainttrigger-error
module ActiveRecord
module ConnectionAdapters
class PostgreSQLAdapter < AbstractAdapter
def disable_referential_integrity(&block)
transaction {
begin
execute "SET CONSTRAINTS ALL DEFERRED"
yield
ensure
execute "SET CONSTRAINTS ALL IMMEDIATE"
end
}
end
end
end
end
DatabaseCleaner::ActiveRecord::Truncation.class_eval do
# You could argue that this technically isn't truncation. You'd be right.
# But something in the MySQL adapter segfaults (!) on actual truncation, and we
# don't have that much data in our tests, so a DELETE is not appreciably slower.
def clean
connection.disable_referential_integrity do
tables_to_truncate.each do |table_name|
connection.execute("DELETE FROM #{table_name};")
end
end
end
end