mariadb/mysql-test/main/xa.test
Marko Mäkelä ddd7d5d8e3 MDEV-24035 Failing assertion: UT_LIST_GET_LEN(lock.trx_locks) == 0 causing disruption and replication failure
Under unknown circumstances, the SQL layer may wrongly disregard an
invocation of thd_mark_transaction_to_rollback() when an InnoDB
transaction had been aborted (rolled back) due to one of the following errors:
* HA_ERR_LOCK_DEADLOCK
* HA_ERR_RECORD_CHANGED (if innodb_snapshot_isolation=ON)
* HA_ERR_LOCK_WAIT_TIMEOUT (if innodb_rollback_on_timeout=ON)

Such an error used to cause a crash of InnoDB during transaction commit.
These changes aim to catch and report the error earlier, so that not only
this crash can be avoided but also the original root cause be found and
fixed more easily later.

The idea of this fix is from Michael 'Monty' Widenius.

HA_ERR_ROLLBACK: A new error code that will be translated into
ER_ROLLBACK_ONLY, signalling that the current transaction
has been aborted and the only allowed action is ROLLBACK.

trx_t::state: Add TRX_STATE_ABORTED that is like
TRX_STATE_NOT_STARTED, but noting that the transaction had been
rolled back and aborted.

trx_t::is_started(): Replaces trx_is_started().

ha_innobase: Check the transaction state in various places.
Simplify the logic around SAVEPOINT.

ha_innobase::is_valid_trx(): Replaces ha_innobase::is_read_only().

The InnoDB logic around transaction savepoints, commit, and rollback
was unnecessarily complex and might have contributed to this
inconsistency. So, we are simplifying that logic as well.

trx_savept_t: Replace with const undo_no_t*. When we rollback to
a savepoint, all we need to know is the number of undo log records
that must survive.

trx_named_savept_t, DB_NO_SAVEPOINT: Remove. We can store undo_no_t
directly in the space allocated at innobase_hton->savepoint_offset.

fts_trx_create(): Do not copy previous savepoints.

fts_savepoint_rollback(): If a savepoint was not found, roll back
everything after the default savepoint of fts_trx_create().
The test innodb_fts.savepoint is extended to cover this code.

Reviewed by: Vladislav Lesin
Tested by: Matthias Leich
2024-12-12 18:02:00 +02:00

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#
# WL#1756
#
-- source include/have_innodb.inc
--source include/not_embedded.inc
# Save the initial number of concurrent sessions
--source include/count_sessions.inc
call mtr.add_suppression("Deadlock found when trying to get lock; try restarting transaction");
--disable_query_log
call mtr.add_suppression("InnoDB: Transaction was aborted due to ");
--enable_query_log
--disable_warnings
drop table if exists t1, t2;
--enable_warnings
create table t1 (a int) engine=innodb;
xa start 'test1';
insert t1 values (10);
xa end 'test1';
xa prepare 'test1';
xa rollback 'test1';
select * from t1;
xa start 'test2';
--error ER_XAER_RMFAIL
xa start 'test-bad';
insert t1 values (20);
--error ER_XAER_RMFAIL
xa prepare 'test2';
xa end 'test2';
xa prepare 'test2';
xa commit 'test2';
select * from t1;
xa start 'testa','testb';
insert t1 values (30);
--error ER_XAER_RMFAIL
commit;
xa end 'testa','testb';
--error ER_XAER_RMFAIL
begin;
--error ER_XAER_RMFAIL
create table t2 (a int);
connect (con1,localhost,root,,);
connection con1;
--error ER_XAER_DUPID
xa start 'testa','testb';
--error ER_XAER_DUPID
xa start 'testa','testb', 123;
# gtrid [ , bqual [ , formatID ] ]
xa start 0x7465737462, 0x2030405060, 0xb;
insert t1 values (40);
xa end 'testb',' 0@P`',11;
xa prepare 'testb',0x2030405060,11;
--error ER_XAER_RMFAIL
start transaction;
xa recover;
# uncomment the line below when binlog will be able to prepare
#disconnect con1;
connection default;
xa prepare 'testa','testb';
xa recover;
--error ER_XAER_OUTSIDE
xa commit 'testb',0x2030405060,11;
xa rollback 'testa','testb';
--error ER_PARSE_ERROR
xa start 'zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz';
select * from t1;
disconnect con1;
--source include/wait_until_count_sessions.inc
xa rollback 'testb',0x2030405060,11;
xa recover;
connection default;
# MDEV-14593 human-readable XA RECOVER
xa start 'tr1';
insert t1 values (40);
xa end 'tr1';
xa prepare 'tr1';
xa recover format='SQL';
xa rollback 'tr1';
xa start 'tr1', 'bq';
insert t1 values (40);
xa end 'tr1', 'bq';
xa prepare 'tr1', 'bq';
xa recover format='SQL';
xa rollback 'tr1', 'bq';
xa start 'tr1', 'bq', 3;
insert t1 values (40);
xa end 'tr1', 'bq', 3;
xa prepare 'tr1', 'bq', 3;
xa recover format='SQL';
xa rollback 'tr1', 'bq', 3;
xa start 'tr1#$';
insert t1 values (40);
xa end 'tr1#$';
xa prepare 'tr1#$';
xa recover format='SQL';
xa rollback 'tr1#$';
xa start 'tr1#$', 'bq';
insert t1 values (40);
xa end 'tr1#$', 'bq';
xa prepare 'tr1#$', 'bq';
xa recover format='SQL';
xa rollback 'tr1#$', 'bq';
xa start 'tr1#$', 'bq', 3;
insert t1 values (40);
xa end 'tr1#$', 'bq', 3;
xa prepare 'tr1#$', 'bq', 3;
xa recover format='RAW';
--error ER_UNKNOWN_EXPLAIN_FORMAT
xa recover format='PLAIN';
xa recover format='SQL';
xa rollback 'tr1#$', 'bq', 3;
drop table t1;
#
# Bug#28323: Server crashed in xid cache operations
#
--disable_warnings
drop table if exists t1;
--enable_warnings
create table t1(a int, b int, c varchar(20), primary key(a)) engine = innodb;
insert into t1 values(1, 1, 'a');
insert into t1 values(2, 2, 'b');
connect (con1,localhost,root,,);
connect (con2,localhost,root,,);
--connection con1
xa start 'a','b';
update t1 set c = 'aa' where a = 1;
--connection con2
xa start 'a','c';
update t1 set c = 'bb' where a = 2;
--connection con1
--send update t1 set c = 'bb' where a = 2
--connection con2
--sleep 1
--error ER_LOCK_DEADLOCK
update t1 set c = 'aa' where a = 1;
select count(*) from t1;
--error ER_XA_RBDEADLOCK
xa end 'a','c';
xa rollback 'a','c';
--disconnect con2
connect (con3,localhost,root,,);
--connection con3
xa start 'a','c';
--disconnect con1
--disconnect con3
--connection default
drop table t1;
--echo #
--echo # BUG#51342 - more xid crashing
--echo #
CREATE TABLE t1(a INT) ENGINE=InnoDB;
XA START 'x';
SET SESSION autocommit=0;
INSERT INTO t1 VALUES(1);
--error ER_XAER_RMFAIL
SET SESSION autocommit=1;
SELECT @@autocommit;
INSERT INTO t1 VALUES(1);
XA END 'x';
XA COMMIT 'x' ONE PHASE;
DROP TABLE t1;
SET SESSION autocommit=1;
--echo End of 5.0 tests
#
# Bug#44672: Assertion failed: thd->transaction.xid_state.xid.is_null()
#
xa start 'a';
xa end 'a';
xa rollback 'a';
xa start 'a';
xa end 'a';
xa rollback 'a';
#
# Bug#45548: XA transaction without access to InnoDB tables crashes the server
#
xa start 'a';
xa end 'a';
xa prepare 'a';
xa commit 'a';
xa start 'a';
xa end 'a';
xa prepare 'a';
xa commit 'a';
#
# BUG#43171 - Assertion failed: thd->transaction.xid_state.xid.is_null()
#
CREATE TABLE t1(a INT, KEY(a)) ENGINE=InnoDB;
INSERT INTO t1 VALUES(1),(2);
connect(con1,localhost,root,,);
# Part 1: Prepare to test XA START after regular transaction deadlock
BEGIN;
UPDATE t1 SET a=3 WHERE a=1;
connection default;
BEGIN;
UPDATE t1 SET a=4 WHERE a=2;
connection con1;
let $conn_id= `SELECT CONNECTION_ID()`;
SEND UPDATE t1 SET a=5 WHERE a=2;
connection default;
let $wait_timeout= 2;
let $wait_condition= SELECT 1 FROM INFORMATION_SCHEMA.PROCESSLIST
WHERE ID=$conn_id AND STATE='Searching rows for update';
--source include/wait_condition.inc
--error ER_LOCK_DEADLOCK
UPDATE t1 SET a=5 WHERE a=1;
ROLLBACK;
# Part 2: Prepare to test XA START after XA transaction deadlock
connection con1;
REAP;
ROLLBACK;
BEGIN;
UPDATE t1 SET a=3 WHERE a=1;
connection default;
XA START 'xid1';
UPDATE t1 SET a=4 WHERE a=2;
connection con1;
SEND UPDATE t1 SET a=5 WHERE a=2;
connection default;
let $wait_timeout= 2;
let $wait_condition= SELECT 1 FROM INFORMATION_SCHEMA.PROCESSLIST
WHERE ID=$conn_id AND STATE='Searching rows for update';
--source include/wait_condition.inc
--error ER_LOCK_DEADLOCK
UPDATE t1 SET a=5 WHERE a=1;
--error ER_XA_RBDEADLOCK
XA END 'xid1';
XA ROLLBACK 'xid1';
XA START 'xid1';
XA END 'xid1';
XA ROLLBACK 'xid1';
disconnect con1;
DROP TABLE t1;
--echo #
--echo # Bug#56448 Assertion failed: ! is_set() with second xa end
--echo #
XA START 'x';
XA END 'x';
# Second XA END caused an assertion.
--error ER_XAER_RMFAIL
XA END 'x';
XA PREPARE 'x';
# Second XA PREPARE also caused an assertion.
--error ER_XAER_RMFAIL
XA PREPARE 'x';
XA ROLLBACK 'x';
--echo #
--echo # Bug#59986 Assert in Diagnostics_area::set_ok_status() for XA COMMIT
--echo #
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
CREATE TABLE t1(a INT, b INT, PRIMARY KEY(a)) engine=InnoDB;
INSERT INTO t1 VALUES (1, 1), (2, 2);
connect (con1, localhost, root);
XA START 'a';
UPDATE t1 SET b= 3 WHERE a=1;
connection default;
XA START 'b';
UPDATE t1 SET b=4 WHERE a=2;
--echo # Sending:
--send UPDATE t1 SET b=5 WHERE a=1
connection con1;
--sleep 1
--error ER_LOCK_DEADLOCK
UPDATE t1 SET b=6 WHERE a=2;
# This used to trigger the assert
--error ER_XA_RBDEADLOCK
XA COMMIT 'a';
connection default;
--echo # Reaping: UPDATE t1 SET b=5 WHERE a=1
--reap
XA END 'b';
XA ROLLBACK 'b';
DROP TABLE t1;
disconnect con1;
--echo #
--echo # Bug#11766752 59936: multiple xa assertions - transactional
--echo # statement fuzzer
--echo #
CREATE TABLE t1 (a INT) engine=InnoDB;
XA START 'a';
INSERT INTO t1 VALUES (1);
SAVEPOINT savep;
XA END 'a';
--error ER_XAER_RMFAIL
SELECT * FROM t1;
--error ER_XAER_RMFAIL
INSERT INTO t1 VALUES (2);
--error ER_XAER_RMFAIL
SAVEPOINT savep;
--error ER_XAER_RMFAIL
SET @a=(SELECT * FROM t1);
XA PREPARE 'a';
--error ER_XAER_RMFAIL
SELECT * FROM t1; # used to cause InnoDB assert
--error ER_XAER_RMFAIL
INSERT INTO t1 VALUES (2); # used to cause InnoDB assert
--error ER_XAER_RMFAIL
SAVEPOINT savep;
--error ER_XAER_RMFAIL
SET @a=(SELECT * FROM t1); # used to cause InnoDB assert
--error ER_XAER_RMFAIL
UPDATE t1 SET a=1 WHERE a=2;
XA COMMIT 'a';
SELECT * FROM t1;
DROP TABLE t1;
--echo #
--echo # MDEV-14609 XA Transction unable to ROLLBACK TO SAVEPOINT
--echo #
CREATE TABLE t1 (c1 INT) ENGINE=INNODB;
XA START 'xa1';
SAVEPOINT savepoint1;
INSERT INTO t1 (c1) VALUES (1),(2),(3),(4);
ROLLBACK TO SAVEPOINT savepoint1;
XA END 'xa1';
XA ROLLBACK 'xa1';
DROP TABLE t1;
--echo #
--echo # Bug#12352846 - TRANS_XA_START(THD*):
--echo # ASSERTION THD->TRANSACTION.XID_STATE.XID.IS_NULL()
--echo # FAILED
--echo #
CREATE TABLE t1 (a INT) ENGINE=InnoDB;
CREATE TABLE t2 (a INT) ENGINE=InnoDB;
INSERT INTO t2 VALUES (1); COMMIT;
BEGIN;
INSERT INTO t2 VALUES (2);
UPDATE t2 SET a=a+2;
UPDATE t2 SET a=a-1;
--connect (con2,localhost,root)
XA START 'xid1';
INSERT INTO t1 VALUES (1);
--echo # Sending:
--send DELETE FROM t2
--connection default
let $wait_condition=
SELECT COUNT(*) = 1 FROM information_schema.processlist
WHERE state = "Updating"
AND info = "DELETE FROM t2";
--source include/wait_condition.inc
--sleep 0.1
--send DELETE FROM t1
--connection con2
--error ER_LOCK_DEADLOCK
--reap
--error ER_XA_RBDEADLOCK
XA COMMIT 'xid1';
connection default;
reap;
COMMIT;
connection con2;
# This caused the assert to be triggered
XA START 'xid1';
XA END 'xid1';
XA PREPARE 'xid1';
XA ROLLBACK 'xid1';
connection default;
DROP TABLE t1, t2;
disconnect con2;
#
# MDEV 15217 Assertion `thd->transaction.xid_state.xid.is_null()' failed in trans_xa_start.
#
CREATE TABLE t1 (pk INT PRIMARY KEY) ENGINE=InnoDB;
CREATE TABLE t2 (pk INT PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t2 VALUES (1),(2);
CREATE TABLE t3 (i INT) ENGINE=InnoDB;
XA BEGIN 'xid1';
REPLACE INTO t1 SELECT * FROM t2;
--connect (con1,localhost,root,,test)
XA BEGIN 'xid2';
--send
INSERT INTO t1 SELECT * FROM t2;
--connection default
REPLACE INTO t2 SELECT * FROM t2;
--connection con1
--error 0, ER_LOCK_DEADLOCK, ER_LOCK_WAIT_TIMEOUT
--reap
--disconnect con1
--connect (con2,localhost,root,,test)
INSERT INTO t3 VALUES (1);
XA BEGIN 'xid3';
#Cleanup
--disconnect con2
--connection default
XA END 'xid1';
XA ROLLBACK 'xid1';
DROP TABLE t1, t2, t3;
--echo #
--echo # MDEV 15532 XA: Assertion `!log->same_pk' failed in
--echo # row_log_table_apply_delete
--echo #
CREATE TABLE t1 (a INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1),(2);
--connect (con1,localhost,root,,test)
XA START 'xid';
UPDATE t1 SET a = 5;
--connection default
SET innodb_lock_wait_timeout= 2, lock_wait_timeout= 2;
--error ER_NO_SUCH_TABLE
ALTER TABLE non_existing_table1;
--send ALTER TABLE t1 FORCE;
--connection con1
--error ER_XAER_RMFAIL
ALTER TABLE non_existing_table2;
DELETE FROM t1 LIMIT 1;
--connection default
--error ER_LOCK_WAIT_TIMEOUT
--reap
# Cleanup
--connection con1
XA END 'xid';
XA ROLLBACK 'xid';
DROP TABLE t1;
--disconnect con1
connection default;
--echo #
--echo # MDEV-21766 - Forbid XID with empty 'gtrid'
--echo #
CREATE TABLE t1(a INT) ENGINE=InnoDB;
--error ER_XAER_INVAL
XA BEGIN '';
XA BEGIN '8bytes1x8bytes2x8bytes3x8bytes4x8bytes5x8bytes6x8bytes7x8bytes8x',
'8bytes1x8bytes2x8bytes3x8bytes4x8bytes5x8bytes6x8bytes7x8bytes8x';
INSERT INTO t1 VALUES(1);
XA END '8bytes1x8bytes2x8bytes3x8bytes4x8bytes5x8bytes6x8bytes7x8bytes8x',
'8bytes1x8bytes2x8bytes3x8bytes4x8bytes5x8bytes6x8bytes7x8bytes8x';
XA PREPARE '8bytes1x8bytes2x8bytes3x8bytes4x8bytes5x8bytes6x8bytes7x8bytes8x',
'8bytes1x8bytes2x8bytes3x8bytes4x8bytes5x8bytes6x8bytes7x8bytes8x';
XA ROLLBACK '8bytes1x8bytes2x8bytes3x8bytes4x8bytes5x8bytes6x8bytes7x8bytes8x',
'8bytes1x8bytes2x8bytes3x8bytes4x8bytes5x8bytes6x8bytes7x8bytes8x';
SET NAMES utf8;
--error ER_PARSE_ERROR
XA BEGIN 'Я_упала_с_сеновалаормозила_головой'; # 36 characters, 67 bytes
XA BEGIN 'Я_упaлa_c_сеновалаормозила_головой'; # 36 characters, 64 bytes
XA END 'Я_упaлa_c_сеновалаормозила_головой';
XA PREPARE 'Я_упaлa_c_сеновалаормозила_головой';
XA ROLLBACK 'Я_упaлa_c_сеновалаормозила_головой';
SET NAMES default;
DROP TABLE t1;
--echo #
--echo # MDEV-21659 XA rollback foreign_xid is allowed inside active XA
--echo # MDEV-21854 - xa commit one phase for already prepared transaction
--echo # must always error out
--echo #
BEGIN;
--error ER_XAER_OUTSIDE
XA COMMIT 'unknown';
--error ER_XAER_OUTSIDE
XA COMMIT 'unknown' ONE PHASE;
BEGIN;
--error ER_XAER_OUTSIDE
XA ROLLBACK 'unknown';
ROLLBACK;
XA START 'xid1';
--error ER_XAER_OUTSIDE
XA COMMIT 'unknown';
--error ER_XAER_OUTSIDE
XA COMMIT 'unknown' ONE PHASE;
--error ER_XAER_OUTSIDE
XA ROLLBACK 'unknown';
XA END 'xid1';
XA PREPARE 'xid1';
--error ER_XAER_INVAL
XA COMMIT 'xid1' ONE PHASE;
XA ROLLBACK 'xid1';
--echo #
--echo # MDEV-21856 - xid_t::formatID has to be constrained to 4 byte size
--echo #
--error ER_PARSE_ERROR
XA START 'gtrid', 'bqual', 0x80000000;
--source include/wait_until_count_sessions.inc
--echo #
--echo # XA states and SHOW commands
--echo #
create table t1 (pk int primary key) engine=innodb;
xa start 'foo';
insert t1 set pk=1;
xa end 'foo';
xa prepare 'foo';
show status like 'foo';
--query_vertical select table_name,table_comment from information_schema.tables where table_schema='test'
--query_vertical select table_name,table_rows,table_comment from information_schema.tables where table_schema='test'
xa commit 'foo';
drop table t1;
--echo #
--echo # MDEV-22445 Crash on HANDLER READ NEXT after XA PREPARE
--echo #
CREATE TABLE t (a INT KEY) ENGINE=InnoDB;
HANDLER t OPEN AS t;
XA START '0';
SELECT * FROM t;
XA END '0';
XA PREPARE '0';
--error ER_XAER_RMFAIL
HANDLER t READ NEXT;
--echo # Cleanup
XA COMMIT '0';
DROP TABLE t;
--echo #
--echo # End of 10.2 tests
--echo #
#
# MDEV-22002 Assertion `!is_set() || (m_status == DA_OK_BULK && is_bulk_op())'
# failed upon CREATE TEMPORARY SEQUENCE under XA
#
XA BEGIN 'xid';
--error ER_XAER_RMFAIL
CREATE TEMPORARY SEQUENCE s;
XA END 'xid';
XA ROLLBACK 'xid';
XA BEGIN 'xid';
--error ER_XAER_RMFAIL
CREATE SEQUENCE s;
XA END 'xid';
XA ROLLBACK 'xid';
--echo #
--echo # End of 10.3 tests
--echo #
--echo #
--echo # Start of 10.5 tests
--echo #
--echo # MDEV-7974 related
--echo # Check XA state when lock_wait_timeout happens
--echo # More tests added to flush_read_lock.test
connect (con_tmp,localhost,root,,);
set session lock_wait_timeout=1;
create table asd (a int) engine=innodb;
xa start 'test1';
insert into asd values(1);
xa end 'test1';
connection default;
flush table with read lock;
connection con_tmp;
--echo # PREPARE error will do auto rollback.
--ERROR ER_LOCK_WAIT_TIMEOUT
xa prepare 'test1';
show errors;
connection default;
unlock tables;
connection con_tmp;
xa start 'test1';
insert into asd values(1);
xa end 'test1';
xa prepare 'test1';
connection default;
flush tables with read lock;
connection con_tmp;
--echo # LOCK error during ROLLBACK will not alter transaction state.
--ERROR ER_LOCK_WAIT_TIMEOUT
xa rollback 'test1';
show errors;
xa recover;
--echo # LOCK error during COMMIT will not alter transaction state.
--ERROR ER_LOCK_WAIT_TIMEOUT
xa commit 'test1';
show errors;
xa recover;
connection default;
unlock tables;
connection con_tmp;
xa rollback 'test1';
xa recover;
drop table asd;
disconnect con_tmp;
--source include/wait_until_disconnected.inc
connection default;
--echo # MDEV-30978: a read-only server should still allow the commit of
--echo # read-only XA transactions
set @sav_read_only=@@global.read_only;
set global read_only=1;
# Commit case
xa start '1';
select 0;
xa end '1';
xa prepare '1';
xa commit '1';
# Rollback case
xa start '2';
select 0;
xa end '2';
xa prepare '2';
xa rollback '2';
--echo # Read-only disconnect case
--source include/count_sessions.inc
connect (con1_ro,localhost,root,,);
xa start '3';
select 0;
xa end '3';
xa prepare '3';
disconnect con1_ro;
connection default;
--source include/wait_until_count_sessions.inc
xa recover;
--error ER_XA_RBROLLBACK
xa commit '3';
--source include/count_sessions.inc
connect (con2_ro,localhost,root,,);
xa start '4';
select 0;
xa end '4';
xa prepare '4';
disconnect con2_ro;
connection default;
--source include/wait_until_count_sessions.inc
xa recover;
--error ER_XA_RBROLLBACK
xa rollback '4';
set @@global.read_only=@sav_read_only;
--echo #
--echo # End of 10.5 tests
--echo #