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-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql_adapter.rb7
-rw-r--r--activerecord/test/cases/adapter_test.rb12
2 files changed, 13 insertions, 6 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
index 2b882a1f25..2812dbb522 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
@@ -53,12 +53,7 @@ module ActiveRecord
socket = config[:socket]
username = config[:username] ? config[:username].to_s : 'root'
password = config[:password].to_s
-
- if config.has_key?(:database)
- database = config[:database]
- else
- raise ArgumentError, "No database specified. Missing argument: database."
- end
+ database = config[:database]
# Require the MySQL driver and define Mysql::Result.all_hashes
unless defined? Mysql
diff --git a/activerecord/test/cases/adapter_test.rb b/activerecord/test/cases/adapter_test.rb
index 88136597e3..9463b7b14a 100644
--- a/activerecord/test/cases/adapter_test.rb
+++ b/activerecord/test/cases/adapter_test.rb
@@ -63,6 +63,18 @@ class AdapterTest < ActiveRecord::TestCase
def test_show_nonexistent_variable_returns_nil
assert_nil @connection.show_variable('foo_bar_baz')
end
+
+ def test_not_specifying_database_name_for_cross_database_selects
+ assert_nothing_raised do
+ ActiveRecord::Base.establish_connection({
+ :adapter => 'mysql',
+ :username => 'rails'
+ })
+ ActiveRecord::Base.connection.execute "SELECT activerecord_unittest.pirates.*, activerecord_unittest2.courses.* FROM activerecord_unittest.pirates, activerecord_unittest2.courses"
+ end
+
+ ActiveRecord::Base.establish_connection 'arunit'
+ end
end
if current_adapter?(:PostgreSQLAdapter)