diff options
| -rw-r--r-- | mysql-test/suite/rpl/r/rpl_packet.result | 8 | ||||
| -rw-r--r-- | mysql-test/suite/rpl/t/rpl_packet.test | 39 | ||||
| -rw-r--r-- | sql/sql_repl.cc | 5 |
3 files changed, 51 insertions, 1 deletions
diff --git a/mysql-test/suite/rpl/r/rpl_packet.result b/mysql-test/suite/rpl/r/rpl_packet.result index 0a9495751fe..1ec9259a1fb 100644 --- a/mysql-test/suite/rpl/r/rpl_packet.result +++ b/mysql-test/suite/rpl/r/rpl_packet.result @@ -49,6 +49,14 @@ Slave_IO_Running = No (expect No) SELECT "Got fatal error 1236 from master when reading data from binary log: 'log event entry exceeded max_allowed_packet; Increase max_allowed_packet on master'" AS Last_IO_Error; Last_IO_Error Got fatal error 1236 from master when reading data from binary log: 'log event entry exceeded max_allowed_packet; Increase max_allowed_packet on master' +STOP SLAVE; +RESET SLAVE; +RESET MASTER; +SET @max_allowed_packet_0= @@session.max_allowed_packet; +SHOW BINLOG EVENTS; +SET @max_allowed_packet_1= @@session.max_allowed_packet; +SHOW BINLOG EVENTS; +SET @max_allowed_packet_2= @@session.max_allowed_packet; ==== clean up ==== DROP TABLE t1; SET @@global.max_allowed_packet= 1024; diff --git a/mysql-test/suite/rpl/t/rpl_packet.test b/mysql-test/suite/rpl/t/rpl_packet.test index bfc144c759b..08a533e22ca 100644 --- a/mysql-test/suite/rpl/t/rpl_packet.test +++ b/mysql-test/suite/rpl/t/rpl_packet.test @@ -1,7 +1,12 @@ +# ==== Purpose ==== # # Check replication protocol packet size handling -# Bug#19402 SQL close to the size of the max_allowed_packet fails on slave # +# ==== Related bugs ==== +# Bug#19402 SQL close to the size of the max_allowed_packet fails on slave +# BUG#23755: Replicated event larger that max_allowed_packet infinitely re-transmits +# BUG#42914: No LAST_IO_ERROR for max_allowed_packet errors +# BUG#55322: SHOW BINLOG EVENTS increases @@SESSION.MAX_ALLOWED_PACKET # max-out size db name source include/master-slave.inc; @@ -119,6 +124,38 @@ let $slave_io_running= query_get_value(SHOW SLAVE STATUS, Slave_IO_Running, 1); let $last_io_error= query_get_value(SHOW SLAVE STATUS, Last_IO_Error, 1); eval SELECT "$last_io_error" AS Last_IO_Error; +# Remove the bad binlog and clear error status on slave. +STOP SLAVE; +RESET SLAVE; +--connection master +RESET MASTER; + + +# +# BUG#55322: SHOW BINLOG EVENTS increases @@SESSION.MAX_ALLOWED_PACKET +# +# In BUG#55322, @@session.max_allowed_packet increased each time SHOW +# BINLOG EVENTS was issued. To verify that this bug is fixed, we +# execute SHOW BINLOG EVENTS twice and check that max_allowed_packet +# never changes. We turn off the result log because we don't care +# about the contents of the binlog. + +--disable_result_log +SET @max_allowed_packet_0= @@session.max_allowed_packet; +SHOW BINLOG EVENTS; +SET @max_allowed_packet_1= @@session.max_allowed_packet; +SHOW BINLOG EVENTS; +SET @max_allowed_packet_2= @@session.max_allowed_packet; +--enable_result_log +if (`SELECT NOT(@max_allowed_packet_0 = @max_allowed_packet_1 AND @max_allowed_packet_1 = @max_allowed_packet_2)`) +{ + --echo ERROR: max_allowed_packet changed after executing SHOW BINLOG EVENTS + --source include/show_rpl_debug_info.inc + SELECT @max_allowed_packet_0, @max_allowed_packet_1, @max_allowed_packet_2; + --die @max_allowed_packet changed after executing SHOW BINLOG EVENTS +} + + --echo ==== clean up ==== connection master; DROP TABLE t1; diff --git a/sql/sql_repl.cc b/sql/sql_repl.cc index c220f609c09..dcbc982b4aa 100644 --- a/sql/sql_repl.cc +++ b/sql/sql_repl.cc @@ -357,6 +357,7 @@ void mysql_binlog_send(THD* thd, char* log_ident, my_off_t pos, #ifndef DBUG_OFF int left_events = max_binlog_dump_events; #endif + int old_max_allowed_packet= thd->variables.max_allowed_packet; DBUG_ENTER("mysql_binlog_send"); DBUG_PRINT("enter",("log_ident: '%s' pos: %ld", log_ident, (long) pos)); @@ -762,6 +763,7 @@ end: pthread_mutex_lock(&LOCK_thread_count); thd->current_linfo = 0; pthread_mutex_unlock(&LOCK_thread_count); + thd->variables.max_allowed_packet= old_max_allowed_packet; DBUG_VOID_RETURN; err: @@ -779,6 +781,7 @@ err: pthread_mutex_unlock(&LOCK_thread_count); if (file >= 0) (void) my_close(file, MYF(MY_WME)); + thd->variables.max_allowed_packet= old_max_allowed_packet; my_message(my_errno, errmsg, MYF(0)); DBUG_VOID_RETURN; @@ -1422,6 +1425,7 @@ bool mysql_show_binlog_events(THD* thd) bool ret = TRUE; IO_CACHE log; File file = -1; + int old_max_allowed_packet= thd->variables.max_allowed_packet; DBUG_ENTER("mysql_show_binlog_events"); Log_event::init_show_field_list(&field_list); @@ -1560,6 +1564,7 @@ err: pthread_mutex_lock(&LOCK_thread_count); thd->current_linfo = 0; pthread_mutex_unlock(&LOCK_thread_count); + thd->variables.max_allowed_packet= old_max_allowed_packet; DBUG_RETURN(ret); } |