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-rw-r--r--activerecord/CHANGELOG.md9
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb10
-rw-r--r--activerecord/test/cases/adapters/mysql/connection_test.rb8
-rw-r--r--activerecord/test/cases/adapters/mysql2/connection_test.rb8
4 files changed, 30 insertions, 5 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md
index 4bbe32f948..e962c0978f 100644
--- a/activerecord/CHANGELOG.md
+++ b/activerecord/CHANGELOG.md
@@ -1,3 +1,12 @@
+* Stringify all variables keys of mysql connection configuration.
+
+ When `sql_mode` variable for mysql adapters set in configuration as `String`
+ was ignored and overwritten by strict mode option.
+
+ Fixes #14895
+
+ *Paul Nikitochkin*
+
* Ensure SQLite3 statements are closed on errors.
Fixes: #13631
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index 75c58ac7d9..ebce0c0460 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -765,22 +765,22 @@ module ActiveRecord
end
def configure_connection
- variables = @config[:variables] || {}
+ variables = @config.fetch(:variables, {}).stringify_keys
# By default, MySQL 'where id is null' selects the last inserted id.
# Turn this off. http://dev.rubyonrails.org/ticket/6778
- variables[:sql_auto_is_null] = 0
+ variables['sql_auto_is_null'] = 0
# Increase timeout so the server doesn't disconnect us.
wait_timeout = @config[:wait_timeout]
wait_timeout = 2147483 unless wait_timeout.is_a?(Fixnum)
- variables[:wait_timeout] = self.class.type_cast_config_to_integer(wait_timeout)
+ variables['wait_timeout'] = self.class.type_cast_config_to_integer(wait_timeout)
# Make MySQL reject illegal values rather than truncating or blanking them, see
# http://dev.mysql.com/doc/refman/5.0/en/server-sql-mode.html#sqlmode_strict_all_tables
# If the user has provided another value for sql_mode, don't replace it.
- if strict_mode? && !variables.has_key?(:sql_mode)
- variables[:sql_mode] = 'STRICT_ALL_TABLES'
+ if strict_mode? && !variables.has_key?('sql_mode')
+ variables['sql_mode'] = 'STRICT_ALL_TABLES'
end
# NAMES does not have an equals sign, see
diff --git a/activerecord/test/cases/adapters/mysql/connection_test.rb b/activerecord/test/cases/adapters/mysql/connection_test.rb
index 412efa22ff..4c90d06732 100644
--- a/activerecord/test/cases/adapters/mysql/connection_test.rb
+++ b/activerecord/test/cases/adapters/mysql/connection_test.rb
@@ -151,6 +151,14 @@ class MysqlConnectionTest < ActiveRecord::TestCase
end
end
+ def test_mysql_sql_mode_variable_overides_strict_mode
+ run_without_connection do |orig_connection|
+ ActiveRecord::Base.establish_connection(orig_connection.deep_merge(variables: { 'sql_mode' => 'ansi' }))
+ result = ActiveRecord::Base.connection.exec_query 'SELECT @@SESSION.sql_mode'
+ assert_not_equal [['STRICT_ALL_TABLES']], result.rows
+ end
+ end
+
def test_mysql_set_session_variable_to_default
run_without_connection do |orig_connection|
ActiveRecord::Base.establish_connection(orig_connection.deep_merge({:variables => {:default_week_format => :default}}))
diff --git a/activerecord/test/cases/adapters/mysql2/connection_test.rb b/activerecord/test/cases/adapters/mysql2/connection_test.rb
index 182d9409c7..65f50e77bb 100644
--- a/activerecord/test/cases/adapters/mysql2/connection_test.rb
+++ b/activerecord/test/cases/adapters/mysql2/connection_test.rb
@@ -77,6 +77,14 @@ class MysqlConnectionTest < ActiveRecord::TestCase
end
end
+ def test_mysql_sql_mode_variable_overides_strict_mode
+ run_without_connection do |orig_connection|
+ ActiveRecord::Base.establish_connection(orig_connection.deep_merge(variables: { 'sql_mode' => 'ansi' }))
+ result = ActiveRecord::Base.connection.exec_query 'SELECT @@SESSION.sql_mode'
+ assert_not_equal [['STRICT_ALL_TABLES']], result.rows
+ end
+ end
+
def test_mysql_set_session_variable_to_default
run_without_connection do |orig_connection|
ActiveRecord::Base.establish_connection(orig_connection.deep_merge({:variables => {:default_week_format => :default}}))