set global rocksdb_flush_log_at_trx_commit=1;
create database test2;
RESET MASTER;

engine: rocksdb


query: ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new"

crash point: ddl_log_alter_after_create_frm
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_create_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_prepare_inplace
"No crash!"
crash point: ddl_log_alter_after_copy
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_log
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new"
crash point: ddl_log_alter_after_rename_to_backup
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new"
crash point: ddl_log_alter_after_rename_to_backup_log
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new"
crash point: ddl_log_alter_rename_frm
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new"
crash point: ddl_log_alter_before_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_delete_backup
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new"
crash point: ddl_log_alter_after_drop_original_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new"

query: ALTER TABLE t1 COMMENT "new"

crash point: ddl_log_alter_after_create_frm
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_create_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_prepare_inplace
"No crash!"
crash point: ddl_log_alter_after_copy
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_log
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new"
crash point: ddl_log_alter_after_rename_to_backup
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new"
crash point: ddl_log_alter_after_rename_to_backup_log
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new"
crash point: ddl_log_alter_rename_frm
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new"
crash point: ddl_log_alter_before_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_delete_backup
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new"
crash point: ddl_log_alter_after_drop_original_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new"

query: ALTER TABLE t1 change column a c int COMMENT "new"

crash point: ddl_log_alter_after_create_frm
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_create_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_prepare_inplace
"No crash!"
crash point: ddl_log_alter_after_copy
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_log
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new"
crash point: ddl_log_alter_after_rename_to_backup
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new"
crash point: ddl_log_alter_after_rename_to_backup_log
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new"
crash point: ddl_log_alter_rename_frm
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new"
crash point: ddl_log_alter_before_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_delete_backup
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new"
crash point: ddl_log_alter_after_drop_original_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new"

query: ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2

crash point: ddl_log_alter_after_create_frm
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_create_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_prepare_inplace
"No crash!"
crash point: ddl_log_alter_after_copy
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_log
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2
crash point: ddl_log_alter_after_rename_to_backup
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2
crash point: ddl_log_alter_after_rename_to_backup_log
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2
crash point: ddl_log_alter_rename_frm
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2
crash point: ddl_log_alter_before_rename_triggers
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2
crash point: ddl_log_alter_after_rename_triggers
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2
crash point: ddl_log_alter_after_delete_backup
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2
crash point: ddl_log_alter_after_drop_original_table
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2

query: ALTER TABLE t1 disable keys

crash point: ddl_log_alter_after_create_frm
Warnings:
Note	1031	Storage engine ROCKSDB of the table `test`.`t1` doesn't have this option
"No crash!"
crash point: ddl_log_alter_after_create_table
Warnings:
Note	1031	Storage engine ROCKSDB of the table `test`.`t1` doesn't have this option
"No crash!"
crash point: ddl_log_alter_after_prepare_inplace
Warnings:
Note	1031	Storage engine ROCKSDB of the table `test`.`t1` doesn't have this option
"No crash!"
crash point: ddl_log_alter_after_copy
Warnings:
Note	1031	Storage engine ROCKSDB of the table `test`.`t1` doesn't have this option
"No crash!"
crash point: ddl_log_alter_after_log
Warnings:
Note	1031	Storage engine ROCKSDB of the table `test`.`t1` doesn't have this option
"No crash!"
crash point: ddl_log_alter_after_rename_to_backup
Warnings:
Note	1031	Storage engine ROCKSDB of the table `test`.`t1` doesn't have this option
"No crash!"
crash point: ddl_log_alter_after_rename_to_backup_log
Warnings:
Note	1031	Storage engine ROCKSDB of the table `test`.`t1` doesn't have this option
"No crash!"
crash point: ddl_log_alter_rename_frm
Warnings:
Note	1031	Storage engine ROCKSDB of the table `test`.`t1` doesn't have this option
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
Warnings:
Note	1031	Storage engine ROCKSDB of the table `test`.`t1` doesn't have this option
"No crash!"
crash point: ddl_log_alter_before_rename_triggers
Warnings:
Note	1031	Storage engine ROCKSDB of the table `test`.`t1` doesn't have this option
"No crash!"
crash point: ddl_log_alter_after_rename_triggers
Warnings:
Note	1031	Storage engine ROCKSDB of the table `test`.`t1` doesn't have this option
"No crash!"
crash point: ddl_log_alter_after_delete_backup
Warnings:
Note	1031	Storage engine ROCKSDB of the table `test`.`t1` doesn't have this option
"No crash!"
crash point: ddl_log_alter_after_drop_original_table
Warnings:
Note	1031	Storage engine ROCKSDB of the table `test`.`t1` doesn't have this option
"No crash!"

query: ALTER TABLE t1 ADD COLUMN c INT, ALGORITHM=copy, COMMENT "new"

crash point: ddl_log_alter_after_create_frm
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_create_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_prepare_inplace
"No crash!"
crash point: ddl_log_alter_after_copy
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_log
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, ALGORITHM=copy, COMMENT "new"
crash point: ddl_log_alter_after_rename_to_backup
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, ALGORITHM=copy, COMMENT "new"
crash point: ddl_log_alter_after_rename_to_backup_log
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, ALGORITHM=copy, COMMENT "new"
crash point: ddl_log_alter_rename_frm
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, ALGORITHM=copy, COMMENT "new"
crash point: ddl_log_alter_before_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_delete_backup
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, ALGORITHM=copy, COMMENT "new"
crash point: ddl_log_alter_after_drop_original_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, ALGORITHM=copy, COMMENT "new"

query: ALTER TABLE t1 rename t2

crash point: ddl_log_alter_after_create_frm
"No crash!"
crash point: ddl_log_alter_after_create_table
"No crash!"
crash point: ddl_log_alter_after_prepare_inplace
"No crash!"
crash point: ddl_log_alter_after_copy
"No crash!"
crash point: ddl_log_alter_after_log
"No crash!"
crash point: ddl_log_alter_after_rename_to_backup
"No crash!"
crash point: ddl_log_alter_after_rename_to_backup_log
"No crash!"
crash point: ddl_log_alter_rename_frm
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
"No crash!"
crash point: ddl_log_alter_before_rename_triggers
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_rename_triggers
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_delete_backup
"No crash!"
crash point: ddl_log_alter_after_drop_original_table
"No crash!"

query: ALTER TABLE t1 COMMENT "new", rename t2

crash point: ddl_log_alter_after_create_frm
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_create_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_prepare_inplace
"No crash!"
crash point: ddl_log_alter_after_copy
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_log
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename t2
crash point: ddl_log_alter_after_rename_to_backup
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename t2
crash point: ddl_log_alter_after_rename_to_backup_log
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename t2
crash point: ddl_log_alter_rename_frm
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename t2
crash point: ddl_log_alter_before_rename_triggers
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename t2
crash point: ddl_log_alter_after_rename_triggers
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename t2
crash point: ddl_log_alter_after_delete_backup
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename t2
crash point: ddl_log_alter_after_drop_original_table
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename t2

query: ALTER TABLE t1 change column a c int COMMENT "new", rename t2

crash point: ddl_log_alter_after_create_frm
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_create_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_prepare_inplace
"No crash!"
crash point: ddl_log_alter_after_copy
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_log
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new", rename t2
crash point: ddl_log_alter_after_rename_to_backup
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new", rename t2
crash point: ddl_log_alter_after_rename_to_backup_log
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new", rename t2
crash point: ddl_log_alter_rename_frm
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new", rename t2
crash point: ddl_log_alter_before_rename_triggers
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new", rename t2
crash point: ddl_log_alter_after_rename_triggers
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new", rename t2
crash point: ddl_log_alter_after_delete_backup
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new", rename t2
crash point: ddl_log_alter_after_drop_original_table
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new", rename t2

query: ALTER TABLE t1 ENGINE=aria, COMMENT "new"

crash point: ddl_log_alter_after_create_frm
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_create_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_prepare_inplace
"No crash!"
crash point: ddl_log_alter_after_copy
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_log
t1.MAD
t1.MAI
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ENGINE=aria, COMMENT "new"
crash point: ddl_log_alter_after_rename_to_backup
t1.MAD
t1.MAI
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ENGINE=aria, COMMENT "new"
crash point: ddl_log_alter_after_rename_to_backup_log
t1.MAD
t1.MAI
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ENGINE=aria, COMMENT "new"
crash point: ddl_log_alter_rename_frm
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
t1.MAD
t1.MAI
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ENGINE=aria, COMMENT "new"
crash point: ddl_log_alter_before_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_delete_backup
t1.MAD
t1.MAI
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ENGINE=aria, COMMENT "new"
crash point: ddl_log_alter_after_drop_original_table
t1.MAD
t1.MAI
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ENGINE=aria, COMMENT "new"

query: ALTER TABLE t1 change column a c int COMMENT "new", engine=aria

crash point: ddl_log_alter_after_create_frm
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_create_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_prepare_inplace
"No crash!"
crash point: ddl_log_alter_after_copy
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_log
t1.MAD
t1.MAI
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new", engine=aria
crash point: ddl_log_alter_after_rename_to_backup
t1.MAD
t1.MAI
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new", engine=aria
crash point: ddl_log_alter_after_rename_to_backup_log
t1.MAD
t1.MAI
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new", engine=aria
crash point: ddl_log_alter_rename_frm
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
t1.MAD
t1.MAI
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new", engine=aria
crash point: ddl_log_alter_before_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_delete_backup
t1.MAD
t1.MAI
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new", engine=aria
crash point: ddl_log_alter_after_drop_original_table
t1.MAD
t1.MAI
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` int(11) DEFAULT NULL COMMENT 'new',
  `b` int(11) DEFAULT NULL,
  KEY `a` (`c`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 change column a c int COMMENT "new", engine=aria

query: ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2, engine=aria

crash point: ddl_log_alter_after_create_frm
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_create_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_prepare_inplace
"No crash!"
crash point: ddl_log_alter_after_copy
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_log
t2.MAD
t2.MAI
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2, engine=aria
crash point: ddl_log_alter_after_rename_to_backup
t2.MAD
t2.MAI
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2, engine=aria
crash point: ddl_log_alter_after_rename_to_backup_log
t2.MAD
t2.MAI
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2, engine=aria
crash point: ddl_log_alter_rename_frm
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
t2.MAD
t2.MAI
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2, engine=aria
crash point: ddl_log_alter_before_rename_triggers
t2.MAD
t2.MAI
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2, engine=aria
crash point: ddl_log_alter_after_rename_triggers
t2.MAD
t2.MAI
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2, engine=aria
crash point: ddl_log_alter_after_delete_backup
t2.MAD
t2.MAI
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2, engine=aria
crash point: ddl_log_alter_after_drop_original_table
t2.MAD
t2.MAI
t2.frm
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename t2, engine=aria

query: ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename test2.t2

crash point: ddl_log_alter_after_create_frm
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_create_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_prepare_inplace
"No crash!"
crash point: ddl_log_alter_after_copy
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_log
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename test2.t2
crash point: ddl_log_alter_after_rename_to_backup
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename test2.t2
crash point: ddl_log_alter_after_rename_to_backup_log
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename test2.t2
crash point: ddl_log_alter_rename_frm
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename test2.t2
crash point: ddl_log_alter_before_rename_triggers
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename test2.t2
crash point: ddl_log_alter_after_rename_triggers
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename test2.t2
crash point: ddl_log_alter_after_delete_backup
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename test2.t2
crash point: ddl_log_alter_after_drop_original_table
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD COLUMN c INT, COMMENT "new", rename test2.t2

query: ALTER TABLE t1 COMMENT "new", rename test2.t2

crash point: ddl_log_alter_after_create_frm
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_create_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_prepare_inplace
"No crash!"
crash point: ddl_log_alter_after_copy
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_log
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename test2.t2
crash point: ddl_log_alter_after_rename_to_backup
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename test2.t2
crash point: ddl_log_alter_after_rename_to_backup_log
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename test2.t2
crash point: ddl_log_alter_rename_frm
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename test2.t2
crash point: ddl_log_alter_before_rename_triggers
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename test2.t2
crash point: ddl_log_alter_after_rename_triggers
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename test2.t2
crash point: ddl_log_alter_after_delete_backup
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename test2.t2
crash point: ddl_log_alter_after_drop_original_table
t2.frm
"Table is in test2"
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 COMMENT "new", rename test2.t2

query: ALTER TABLE t1 ADD key(b), COMMENT "new"

crash point: ddl_log_alter_after_create_frm
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_create_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_prepare_inplace
"No crash!"
crash point: ddl_log_alter_after_copy
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_log
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`),
  KEY `b` (`b`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD key(b), COMMENT "new"
crash point: ddl_log_alter_after_rename_to_backup
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`),
  KEY `b` (`b`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD key(b), COMMENT "new"
crash point: ddl_log_alter_after_rename_to_backup_log
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`),
  KEY `b` (`b`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD key(b), COMMENT "new"
crash point: ddl_log_alter_rename_frm
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`),
  KEY `b` (`b`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD key(b), COMMENT "new"
crash point: ddl_log_alter_before_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_delete_backup
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`),
  KEY `b` (`b`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD key(b), COMMENT "new"
crash point: ddl_log_alter_after_drop_original_table
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`),
  KEY `b` (`b`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='new'
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 ADD key(b), COMMENT "new"

query: ALTER TABLE t1 DROP INDEX a

crash point: ddl_log_alter_after_create_frm
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_create_table
"No crash!"
crash point: ddl_log_alter_after_prepare_inplace
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_copy
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  KEY `a` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
crash point: ddl_log_alter_after_log
t1.frm
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
count(*)
2
master-bin.000002	#	Query	#	#	use `test`; ALTER TABLE t1 DROP INDEX a
crash point: ddl_log_alter_after_rename_to_backup
"No crash!"
crash point: ddl_log_alter_after_rename_to_backup_log
"No crash!"
crash point: ddl_log_alter_rename_frm
"No crash!"
crash point: ddl_log_alter_after_rename_to_original
"No crash!"
crash point: ddl_log_alter_before_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_rename_triggers
"No crash!"
crash point: ddl_log_alter_after_delete_backup
"No crash!"
crash point: ddl_log_alter_after_drop_original_table
"No crash!"