Merge pull request rails#50877 from composerinteralia/move-server-shutdown-translation

Move server shutdown translation to abstract mysql adapter

Author: rafaelfranca

activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb

@@ -776,6 +776,7 @@ def sync_timezone_changes(raw_connection)
         ER_DB_CREATE_EXISTS     = 1007
         ER_FILSORT_ABORT        = 1028
         ER_DUP_ENTRY            = 1062
+        ER_SERVER_SHUTDOWN      = 1053
         ER_NOT_NULL_VIOLATION   = 1048
         ER_NO_REFERENCED_ROW    = 1216
         ER_ROW_IS_REFERENCED    = 1217
@@ -804,7 +805,7 @@ def translate_exception(exception, message:, sql:, binds:)
             else
               super
             end
-          when ER_CONNECTION_KILLED, CR_SERVER_GONE_ERROR, CR_SERVER_LOST, ER_CLIENT_INTERACTION_TIMEOUT
+          when ER_CONNECTION_KILLED, ER_SERVER_SHUTDOWN, CR_SERVER_GONE_ERROR, CR_SERVER_LOST, ER_CLIENT_INTERACTION_TIMEOUT
             ConnectionFailed.new(message, sql: sql, binds: binds, connection_pool: @pool)
           when ER_DB_CREATE_EXISTS
             DatabaseAlreadyExists.new(message, sql: sql, binds: binds, connection_pool: @pool)

activerecord/lib/active_record/connection_adapters/trilogy_adapter.rb

@@ -13,7 +13,6 @@ class TrilogyAdapter < AbstractMysqlAdapter
       ER_BAD_DB_ERROR = 1049
       ER_DBACCESS_DENIED_ERROR = 1044
       ER_ACCESS_DENIED_ERROR = 1045
-      ER_SERVER_SHUTDOWN = 1053
 
       ADAPTER_NAME = "Trilogy"
 
@@ -201,12 +200,6 @@ def translate_exception(exception, message:, sql:, binds:)
           if exception.is_a?(::Trilogy::TimeoutError) && !exception.error_code
             return ActiveRecord::AdapterTimeout.new(message, sql: sql, binds: binds, connection_pool: @pool)
           end
-          error_code = exception.error_code if exception.respond_to?(:error_code)
-
-          case error_code
-          when ER_SERVER_SHUTDOWN
-            return ConnectionFailed.new(message, connection_pool: @pool)
-          end
 
           case exception
           when SocketError, IOError