SET GLOBAL innodb_monitor_reset_all=all; SET GLOBAL innodb_monitor_reset_all=default; call mtr.add_suppression("InnoDB: Warning: Small buffer pool size"); call mtr.add_suppression("InnoDB: Error: table 'test/t1'"); call mtr.add_suppression("MariaDB is trying to open a table handle but the .ibd file for"); CREATE TABLE t1 (c1 INT PRIMARY KEY, c2 INT NOT NULL, c3 CHAR(255) NOT NULL) ENGINE = InnoDB; INSERT INTO t1 VALUES (1,1,''), (2,2,''), (3,3,''), (4,4,''), (5,5,''); SET GLOBAL innodb_monitor_enable = module_ddl; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl'; name count ddl_background_drop_indexes 0 ddl_online_create_index 0 ddl_pending_alter_table 0 ddl_sort_file_alter_table 0 ddl_log_file_alter_table 0 SET DEBUG_SYNC = 'RESET'; SET DEBUG_SYNC = 'write_row_noreplace SIGNAL have_handle WAIT_FOR go_ahead'; INSERT INTO t1 VALUES(1,2,3); connect con1,localhost,root,,; SET DEBUG_SYNC = 'now WAIT_FOR have_handle'; SET lock_wait_timeout = 1; ALTER TABLE t1 ROW_FORMAT=REDUNDANT; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SET DEBUG_SYNC = 'now SIGNAL go_ahead'; connection default; ERROR 23000: Duplicate entry '1' for key 'PRIMARY' SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl'; name count ddl_background_drop_indexes 0 ddl_online_create_index 0 ddl_pending_alter_table 0 ddl_sort_file_alter_table 0 ddl_log_file_alter_table 0 connection con1; SET @saved_debug_dbug = @@SESSION.debug_dbug; SET DEBUG_DBUG = '+d,innodb_OOM_prepare_inplace_alter'; ALTER TABLE t1 ROW_FORMAT=REDUNDANT, ALGORITHM=INPLACE, LOCK=NONE; ERROR HY000: Out of memory. SET SESSION DEBUG_DBUG = @saved_debug_dbug; SET SESSION DEBUG_DBUG = '+d,innodb_OOM_inplace_alter'; ALTER TABLE t1 ROW_FORMAT=REDUNDANT, ALGORITHM=INPLACE, LOCK=NONE; ERROR HY000: Out of memory. SET SESSION DEBUG_DBUG = @saved_debug_dbug; ALTER TABLE t1 ROW_FORMAT=REDUNDANT, ALGORITHM=INPLACE, LOCK=NONE; connection default; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` int(11) NOT NULL, `c2` int(11) NOT NULL, `c3` char(255) NOT NULL, PRIMARY KEY (`c1`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ROW_FORMAT=REDUNDANT BEGIN; INSERT INTO t1 VALUES(7,4,2); connection con1; SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL scanned WAIT_FOR insert_done'; ALTER TABLE t1 DROP PRIMARY KEY, ADD UNIQUE INDEX(c2); ERROR HY000: Lock wait timeout exceeded; try restarting transaction connection default; COMMIT; connection con1; ALTER TABLE t1 DROP PRIMARY KEY, ADD UNIQUE INDEX(c2); ERROR 23000: Duplicate entry '4' for key 'c2' connection default; DELETE FROM t1 WHERE c1 = 7; connection con1; ALTER TABLE t1 DROP PRIMARY KEY, ADD UNIQUE INDEX(c2), ROW_FORMAT=COMPACT, LOCK = SHARED, ALGORITHM = INPLACE; ALTER TABLE t1 ADD UNIQUE INDEX(c2), LOCK = EXCLUSIVE, ALGORITHM = INPLACE; Warnings: Note 1831 Duplicate index `c2_2`. This is deprecated and will be disallowed in a future release SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` int(11) NOT NULL, `c2` int(11) NOT NULL, `c3` char(255) NOT NULL, UNIQUE KEY `c2` (`c2`), UNIQUE KEY `c2_2` (`c2`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ROW_FORMAT=COMPACT ALTER TABLE t1 DROP INDEX c2, ADD PRIMARY KEY(c1); connection default; SET DEBUG_SYNC = 'now WAIT_FOR scanned'; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl'; name count ddl_background_drop_indexes 0 ddl_online_create_index 1 ddl_pending_alter_table 1 ddl_sort_file_alter_table 0 ddl_log_file_alter_table 0 INSERT INTO t1 VALUES(4,7,2); SET DEBUG_SYNC = 'now SIGNAL insert_done'; connection con1; ERROR 23000: Duplicate entry '4' for key 'PRIMARY' DELETE FROM t1 WHERE c1=4 and c2=7; connection default; ROLLBACK; connection con1; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` int(11) NOT NULL, `c2` int(11) NOT NULL, `c3` char(255) NOT NULL, UNIQUE KEY `c2` (`c2`), UNIQUE KEY `c2_2` (`c2`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ROW_FORMAT=COMPACT ALTER TABLE t1 DROP PRIMARY KEY, ADD UNIQUE INDEX(c2), ALGORITHM = INPLACE; ERROR 42000: Can't DROP INDEX `PRIMARY`; check that it exists ALTER TABLE t1 DROP INDEX c2, ADD PRIMARY KEY(c1), ALGORITHM = INPLACE; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl'; name count ddl_background_drop_indexes 0 ddl_online_create_index 0 ddl_pending_alter_table 0 ddl_sort_file_alter_table 0 ddl_log_file_alter_table 0 connection default; INSERT INTO t1 VALUES(6,3,1); ERROR 23000: Duplicate entry '3' for key 'c2_2' INSERT INTO t1 VALUES(7,4,2); ERROR 23000: Duplicate entry '4' for key 'c2_2' DROP INDEX c2_2 ON t1; BEGIN; INSERT INTO t1 VALUES(7,4,2); ROLLBACK; connection con1; KILL QUERY @id; ERROR 70100: Query execution was interrupted SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL rebuilt WAIT_FOR dml_done'; SET DEBUG_SYNC = 'row_log_table_apply2_before SIGNAL applied WAIT_FOR kill_done'; ALTER TABLE t1 ROW_FORMAT=REDUNDANT; connection default; SET DEBUG_SYNC = 'now WAIT_FOR rebuilt'; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl'; name count ddl_background_drop_indexes 0 ddl_online_create_index 1 ddl_pending_alter_table 1 ddl_sort_file_alter_table 0 ddl_log_file_alter_table 0 BEGIN; INSERT INTO t1 VALUES(7,4,2); ROLLBACK; SET DEBUG_SYNC = 'now SIGNAL dml_done WAIT_FOR applied'; KILL QUERY @id; SET DEBUG_SYNC = 'now SIGNAL kill_done'; connection con1; ERROR 70100: Query execution was interrupted SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl'; name count ddl_background_drop_indexes 0 ddl_online_create_index 0 ddl_pending_alter_table 0 ddl_sort_file_alter_table 0 ddl_log_file_alter_table 0 connection default; CHECK TABLE t1; Table Op Msg_type Msg_text test.t1 check status OK INSERT INTO t1 SELECT 5 + c1, c2, c3 FROM t1; INSERT INTO t1 SELECT 10 + c1, c2, c3 FROM t1; INSERT INTO t1 SELECT 20 + c1, c2, c3 FROM t1; INSERT INTO t1 SELECT 40 + c1, c2, c3 FROM t1; EXPLAIN SELECT COUNT(*) FROM t1 WHERE c2 > 3; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL ROWS Using where ANALYZE TABLE t1; Table Op Msg_type Msg_text test.t1 analyze status Engine-independent statistics collected test.t1 analyze status OK SET @merge_encrypt_0= (SELECT CAST(variable_value AS INTEGER) FROM information_schema.global_status WHERE variable_name = 'innodb_encryption_n_merge_blocks_encrypted'); SET @merge_decrypt_0= (SELECT CAST(variable_value AS INTEGER) FROM information_schema.global_status WHERE variable_name = 'innodb_encryption_n_merge_blocks_decrypted'); SET @rowlog_encrypt_0= (SELECT CAST(variable_value AS INTEGER) FROM information_schema.global_status WHERE variable_name = 'innodb_encryption_n_rowlog_blocks_encrypted'); connection con1; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` int(11) NOT NULL, `c2` int(11) NOT NULL, `c3` char(255) NOT NULL, PRIMARY KEY (`c1`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ROW_FORMAT=COMPACT ALTER TABLE t1 ROW_FORMAT=REDUNDANT; SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL rebuilt2 WAIT_FOR dml2_done'; SET lock_wait_timeout = 10; ALTER TABLE t1 ROW_FORMAT=COMPACT PAGE_COMPRESSED = YES PAGE_COMPRESSION_LEVEL = 1, ALGORITHM = INPLACE; connection default; SET DEBUG_SYNC = 'now WAIT_FOR rebuilt2'; INSERT INTO t1 SELECT 80 + c1, c2, c3 FROM t1; INSERT INTO t1 SELECT 160 + c1, c2, c3 FROM t1; UPDATE t1 SET c2 = c2 + 1; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl'; name count ddl_background_drop_indexes 0 ddl_online_create_index 1 ddl_pending_alter_table 1 ddl_sort_file_alter_table 0 ddl_log_file_alter_table 1 UPDATE t1 SET c2 = c2 + 1; UPDATE t1 SET c2 = c2 + 2; UPDATE t1 SET c2 = c2 + 1; UPDATE t1 SET c2 = c2 + 2; UPDATE t1 SET c2 = c2 + 1; UPDATE t1 SET c2 = c2 + 2; UPDATE t1 SET c2 = c2 + 1; UPDATE t1 SET c2 = c2 + 2; UPDATE t1 SET c2 = c2 + 1; UPDATE t1 SET c2 = c2 + 2; UPDATE t1 SET c2 = c2 + 1; UPDATE t1 SET c2 = c2 + 2; UPDATE t1 SET c2 = c2 + 1; UPDATE t1 SET c2 = c2 + 2; UPDATE t1 SET c2 = c2 + 1; UPDATE t1 SET c2 = c2 + 2; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl'; name count ddl_background_drop_indexes 0 ddl_online_create_index 1 ddl_pending_alter_table 1 ddl_sort_file_alter_table 0 ddl_log_file_alter_table 1 SET @merge_encrypt_1= (SELECT CAST(variable_value AS INTEGER) FROM information_schema.global_status WHERE variable_name = 'innodb_encryption_n_merge_blocks_encrypted'); SET @merge_decrypt_1= (SELECT CAST(variable_value AS INTEGER) FROM information_schema.global_status WHERE variable_name = 'innodb_encryption_n_merge_blocks_decrypted'); SET @rowlog_encrypt_1= (SELECT CAST(variable_value AS INTEGER) FROM information_schema.global_status WHERE variable_name = 'innodb_encryption_n_rowlog_blocks_encrypted'); SELECT (@merge_encrypt_1-@merge_encrypt_0)- (@merge_decrypt_1-@merge_decrypt_0) as sort_balance, @merge_encrypt_1>@merge_encrypt_0, @merge_decrypt_1>@merge_decrypt_0, @rowlog_encrypt_1>@rowlog_encrypt_0; sort_balance @merge_encrypt_1>@merge_encrypt_0 @merge_decrypt_1>@merge_decrypt_0 @rowlog_encrypt_1>@rowlog_encrypt_0 0 0 0 0 SET DEBUG_SYNC = 'now SIGNAL dml2_done'; connection con1; ERROR HY000: Creating index 'PRIMARY' required more than 'innodb_online_alter_log_max_size' bytes of modification log. Please try again SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl'; name count ddl_background_drop_indexes 0 ddl_online_create_index 0 ddl_pending_alter_table 0 ddl_sort_file_alter_table 0 ddl_log_file_alter_table 1 SET @merge_encrypt_1= (SELECT CAST(variable_value AS INTEGER) FROM information_schema.global_status WHERE variable_name = 'innodb_encryption_n_merge_blocks_encrypted'); SET @merge_decrypt_1= (SELECT CAST(variable_value AS INTEGER) FROM information_schema.global_status WHERE variable_name = 'innodb_encryption_n_merge_blocks_decrypted'); SET @rowlog_encrypt_1= (SELECT CAST(variable_value AS INTEGER) FROM information_schema.global_status WHERE variable_name = 'innodb_encryption_n_rowlog_blocks_encrypted'); SET @rowlog_decrypt_1= (SELECT CAST(variable_value AS INTEGER) FROM information_schema.global_status WHERE variable_name = 'innodb_encryption_n_rowlog_blocks_decrypted'); SET GLOBAL innodb_max_purge_lag_wait=0; SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL rebuilt3 WAIT_FOR dml3_done'; ALTER TABLE t1 ADD PRIMARY KEY(c22f), CHANGE c2 c22f INT; ERROR 42000: Multiple primary key defined ALTER TABLE t1 DROP PRIMARY KEY, ADD PRIMARY KEY(c22f), CHANGE c2 c22f INT; ERROR 23000: Duplicate entry '26' for key 'PRIMARY' ALTER TABLE t1 DROP PRIMARY KEY, ADD PRIMARY KEY(c22f,c1,c4(5)), CHANGE c2 c22f INT, CHANGE c3 c3 CHAR(255) NULL, CHANGE c1 c1 INT AFTER c22f, ADD COLUMN c4 VARCHAR(6) DEFAULT 'Online', LOCK=NONE; connection default; SET DEBUG_SYNC = 'now WAIT_FOR rebuilt3'; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl'; name count ddl_background_drop_indexes 0 ddl_online_create_index 1 ddl_pending_alter_table 1 ddl_sort_file_alter_table 2 ddl_log_file_alter_table 1 BEGIN; INSERT INTO t1 SELECT 320 + c1, c2, c3 FROM t1 WHERE c1 > 240; DELETE FROM t1 WHERE c1 > 320; UPDATE t1 SET c2 = c2 + 1; COMMIT; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl'; name count ddl_background_drop_indexes 0 ddl_online_create_index 1 ddl_pending_alter_table 1 ddl_sort_file_alter_table 2 ddl_log_file_alter_table 2 SET DEBUG_SYNC = 'now SIGNAL dml3_done'; connection con1; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl'; name count ddl_background_drop_indexes 0 ddl_online_create_index 0 ddl_pending_alter_table 0 ddl_sort_file_alter_table 2 ddl_log_file_alter_table 2 SELECT COUNT(c22f) FROM t1; COUNT(c22f) 320 CHECK TABLE t1; Table Op Msg_type Msg_text test.t1 check status OK SET @merge_encrypt_2= (SELECT CAST(variable_value AS INTEGER) FROM information_schema.global_status WHERE variable_name = 'innodb_encryption_n_merge_blocks_encrypted'); SET @merge_decrypt_2= (SELECT CAST(variable_value AS INTEGER) FROM information_schema.global_status WHERE variable_name = 'innodb_encryption_n_merge_blocks_decrypted'); SET @rowlog_encrypt_2= (SELECT CAST(variable_value AS INTEGER) FROM information_schema.global_status WHERE variable_name = 'innodb_encryption_n_rowlog_blocks_encrypted'); SET @rowlog_decrypt_2= (SELECT CAST(variable_value AS INTEGER) FROM information_schema.global_status WHERE variable_name = 'innodb_encryption_n_rowlog_blocks_decrypted'); SELECT (@merge_encrypt_2-@merge_encrypt_1)- (@merge_decrypt_2-@merge_decrypt_1) as sort_balance, (@rowlog_encrypt_2-@rowlog_encrypt_1)- (@rowlog_decrypt_2-@rowlog_decrypt_1) as log_balance; sort_balance log_balance 0 0 SELECT @merge_encrypt_2-@merge_encrypt_1>0 as sort_encrypted, @merge_decrypt_2-@merge_decrypt_1>0 as sort_decrypted, @rowlog_encrypt_2-@rowlog_encrypt_1>0 as log_encrypted, @rowlog_decrypt_2-@rowlog_decrypt_1>0 as log_decrypted; sort_encrypted sort_decrypted log_encrypted log_decrypted 0 0 0 0 ALTER TABLE t1 DROP PRIMARY KEY, ADD PRIMARY KEY c3p5(c3(5)); ERROR 23000: Duplicate entry '' for key 'PRIMARY' UPDATE t1 SET c3 = NULL WHERE c3 = ''; SET lock_wait_timeout = 1; ALTER TABLE t1 DROP COLUMN c22f, ADD PRIMARY KEY c3p5(c3(5)); ERROR 42000: Key column 'c22f' doesn't exist in table ALTER IGNORE TABLE t1 DROP COLUMN c22f, DROP PRIMARY KEY, ADD PRIMARY KEY c3p5(c3(5)), ALGORITHM = INPLACE; ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Creating unique indexes with IGNORE requires COPY algorithm to remove duplicate rows. Try ALGORITHM=COPY UPDATE t1 SET c3=LEFT(CONCAT(c1,REPEAT('foo',c1)),255) WHERE c3 IS NULL; SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL c3p5_created0 WAIT_FOR ins_done0'; ALTER TABLE t1 MODIFY c3 CHAR(255) NOT NULL, DROP COLUMN c22f, DROP PRIMARY KEY, ADD PRIMARY KEY(c1,c4(5)), ADD COLUMN c5 CHAR(5) DEFAULT 'tired' FIRST; connection default; SET DEBUG_SYNC = 'now WAIT_FOR c3p5_created0'; BEGIN; INSERT INTO t1 VALUES(347,33101,'Pikku kakkosen posti','YLETV2'); INSERT INTO t1 VALUES(33101,347,NULL,''); COMMIT; SET DEBUG_SYNC = 'now SIGNAL ins_done0'; connection con1; ERROR 22004: Invalid use of NULL value DELETE FROM t1 WHERE c1= 347 and c22f = 33101; ALTER TABLE t1 MODIFY c3 CHAR(255) NOT NULL; SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL c3p5_created WAIT_FOR ins_done'; ALTER TABLE t1 DROP PRIMARY KEY, DROP COLUMN c22f, ADD COLUMN c6 VARCHAR(1000) DEFAULT 'I love tracking down hard-to-reproduce bugs.', ADD PRIMARY KEY c3p5(c3(5), c6(2)); connection default; SET DEBUG_SYNC = 'now WAIT_FOR c3p5_created'; SET DEBUG_SYNC = 'ib_after_row_insert SIGNAL ins_done WAIT_FOR ddl_timed_out'; INSERT INTO t1 VALUES(347,33101,NULL,''); ERROR 23000: Column 'c3' cannot be null INSERT INTO t1 VALUES(347,33101,'Pikku kakkosen posti',''); connection con1; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SET DEBUG_SYNC = 'now SIGNAL ddl_timed_out'; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl'; name count ddl_background_drop_indexes 0 ddl_online_create_index 0 ddl_pending_alter_table 0 ddl_sort_file_alter_table 6 ddl_log_file_alter_table 2 connection default; SELECT COUNT(*) FROM t1; COUNT(*) 322 ALTER TABLE t1 ROW_FORMAT=REDUNDANT; SELECT * FROM t1 LIMIT 10; c22f c1 c3 c4 27 1 1foo Online 27 6 6foofoofoofoofoofoo Online 27 11 11foofoofoofoofoofoofoofoofoofoofoo Online 27 16 16foofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoo Online 27 21 21foofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoo Online 27 26 26foofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoo Online 27 31 31foofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoo Online 27 36 36foofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoo Online 27 41 41foofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoo Online 27 46 46foofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoo Online connection con1; ALTER TABLE t1 DISCARD TABLESPACE; connection default; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c22f` int(11) NOT NULL, `c1` int(11) NOT NULL, `c3` char(255) NOT NULL, `c4` varchar(6) NOT NULL DEFAULT 'Online', PRIMARY KEY (`c22f`,`c1`,`c4`(5)) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ROW_FORMAT=REDUNDANT SET GLOBAL innodb_monitor_disable = module_ddl; DROP TABLE t1; CREATE TABLE t1 (a INT PRIMARY KEY, b blob) ENGINE=InnoDB; INSERT INTO t1 VALUES(0,NULL); connection con1; SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL created WAIT_FOR ins'; ALTER TABLE t1 FORCE; connection default; SET DEBUG_SYNC = 'now WAIT_FOR created'; BEGIN; INSERT INTO t1 VALUES(1, repeat('a', 10000)); ROLLBACK; SET DEBUG_SYNC = 'now SIGNAL ins'; connection con1; connection default; SELECT * FROM t1; a b 0 NULL DROP TABLE t1; SET DEBUG_SYNC = 'RESET'; # # MDEV-29600 Memory leak in row_log_table_apply_update() # CREATE TABLE t1 (pk INT PRIMARY KEY, f TEXT) ENGINE=InnoDB; INSERT INTO t1 SET pk=1; connection con1; SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL created WAIT_FOR updated'; ALTER TABLE t1 FORCE; connection default; SET DEBUG_SYNC = 'now WAIT_FOR created'; UPDATE t1 SET f = REPEAT('a', 20000); SET DEBUG_SYNC = 'now SIGNAL updated'; connection con1; connection default; DROP TABLE t1; # # MDEV-29977 Memory leak in row_log_table_apply_update # CREATE TABLE t1(f1 longtext, f2 int, KEY(f1(1024)), KEY(f2, f1(20))) ENGINE=InnoDB; INSERT INTO t1 VALUES('a', 1); connection con1; set DEBUG_SYNC="innodb_inplace_alter_table_enter SIGNAL con_default WAIT_FOR con1_signal"; ALTER TABLE t1 FORCE; connection default; SET DEBUG_SYNC="now WAIT_FOR con_default"; UPDATE t1 SET f1 = NULL; UPDATE t1 SET f1 = REPEAT('b', 9000); SET DEBUG_SYNC="now SIGNAL con1_signal"; connection con1; DROP TABLE t1; connection default; # # MDEV-28122 Optimize table crash while applying online log # CREATE TABLE t1(f1 INT NOT NULL, f2 INT NOT NULL, f3 CHAR(200), f4 CHAR(200), f5 VARCHAR(87), PRIMARY KEY(f1))ENGINE=InnoDB; INSERT INTO t1 VALUES(6000, 6000, "InnoDB", "MariaDB", repeat('a', 87)); SET DEBUG_SYNC="inplace_after_index_build SIGNAL dml_start WAIT_FOR dml_commit"; ALTER TABLE t1 FORCE; connection con1; SET DEBUG_SYNC="now WAIT_FOR dml_start"; BEGIN; INSERT INTO t1 SELECT seq, seq, "IDB", "MDB", repeat('a', 87) FROM seq_1_to_127; INSERT INTO t1 VALUES(128, 128, "IDB", "MDB", repeat('a', 86)); INSERT INTO t1 VALUES(129, 129, "idb", "mdb", repeat('a', 2)); COMMIT; SET DEBUG_SYNC="now SIGNAL dml_commit"; connection default; CHECK TABLE t1; Table Op Msg_type Msg_text test.t1 check status OK DROP TABLE t1; SET DEBUG_SYNC=RESET; disconnect con1; SET GLOBAL innodb_monitor_enable = default; SET GLOBAL innodb_monitor_disable = default;