diff options
4 files changed, 35 insertions, 3 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index e6a41ec281..34ef5c79e1 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -144,8 +144,8 @@ *Jeremy Green* -* Add new error class `TransactionTimeout` for MySQL adapter which will be raised - when lock wait time expires. +* Add new error class `TransactionTimeout` which will be raised + when lock wait timeout exceeded. *Gabriel Courtemanche* diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 2c3c1df2a9..46863c41ab 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -391,6 +391,7 @@ module ActiveRecord UNIQUE_VIOLATION = "23505" SERIALIZATION_FAILURE = "40001" DEADLOCK_DETECTED = "40P01" + LOCK_NOT_AVAILABLE = "55P03" def translate_exception(exception, message) return exception unless exception.respond_to?(:result) @@ -410,6 +411,8 @@ module ActiveRecord SerializationFailure.new(message) when DEADLOCK_DETECTED Deadlocked.new(message) + when LOCK_NOT_AVAILABLE + TransactionTimeout.new(message) else super end diff --git a/activerecord/test/cases/adapters/mysql2/transaction_test.rb b/activerecord/test/cases/adapters/mysql2/transaction_test.rb index 7b032fed6d..ac9a8d9dfb 100644 --- a/activerecord/test/cases/adapters/mysql2/transaction_test.rb +++ b/activerecord/test/cases/adapters/mysql2/transaction_test.rb @@ -60,7 +60,7 @@ module ActiveRecord end end - test "raises TransactionTimeout when mysql raises ER_LOCK_WAIT_TIMEOUT" do + test "raises TransactionTimeout when lock wait timeout exceeded" do assert_raises(ActiveRecord::TransactionTimeout) do s = Sample.create!(value: 1) latch1 = Concurrent::CountDownLatch.new diff --git a/activerecord/test/cases/adapters/postgresql/transaction_test.rb b/activerecord/test/cases/adapters/postgresql/transaction_test.rb index f56adf4a5e..b6aec8e993 100644 --- a/activerecord/test/cases/adapters/postgresql/transaction_test.rb +++ b/activerecord/test/cases/adapters/postgresql/transaction_test.rb @@ -91,6 +91,35 @@ module ActiveRecord end end + test "raises TransactionTimeout when lock wait timeout exceeded" do + skip unless ActiveRecord::Base.connection.postgresql_version >= 90300 + assert_raises(ActiveRecord::TransactionTimeout) do + s = Sample.create!(value: 1) + latch1 = Concurrent::CountDownLatch.new + latch2 = Concurrent::CountDownLatch.new + + thread = Thread.new do + Sample.transaction do + Sample.lock.find(s.id) + latch1.count_down + latch2.wait + end + end + + begin + Sample.transaction do + latch1.wait + Sample.connection.execute("SET lock_timeout = 1") + Sample.lock.find(s.id) + end + ensure + Sample.connection.execute("SET lock_timeout = DEFAULT") + latch2.count_down + thread.join + end + end + end + private def with_warning_suppression |