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create table snapshot_status engine = myisam
select * from information_schema.global_status
where variable_name like 'innodb_scrub%';
# MDEV-8139 Fix scrubbing tests
# FIXME: Add index(b) to each table; ensure that undo logs are scrubbed.
create table delete_3 (
a int auto_increment primary key,
b varchar(256),
c text) engine = innodb row_format=compressed;
delete from delete_3;
create table delete_rollback_delete_3 (
a int auto_increment primary key,
b varchar(256),
c text) engine = innodb row_format=compressed;
begin;
delete from delete_rollback_delete_3;
rollback;
delete from delete_rollback_delete_3;
create table insert_rollback_3 (
a int auto_increment primary key,
b varchar(256),
c text) engine = innodb row_format=compressed;
begin;
rollback;
create table delete_2 (
a int auto_increment primary key,
b varchar(256),
c text) engine = innodb row_format=compact;
delete from delete_2;
create table delete_rollback_delete_2 (
a int auto_increment primary key,
b varchar(256),
c text) engine = innodb row_format=compact;
begin;
delete from delete_rollback_delete_2;
rollback;
delete from delete_rollback_delete_2;
create table insert_rollback_2 (
a int auto_increment primary key,
b varchar(256),
c text) engine = innodb row_format=compact;
begin;
rollback;
create table delete_1 (
a int auto_increment primary key,
b varchar(256),
c text) engine = innodb row_format=redundant;
delete from delete_1;
create table delete_rollback_delete_1 (
a int auto_increment primary key,
b varchar(256),
c text) engine = innodb row_format=redundant;
begin;
delete from delete_rollback_delete_1;
rollback;
delete from delete_rollback_delete_1;
create table insert_rollback_1 (
a int auto_increment primary key,
b varchar(256),
c text) engine = innodb row_format=redundant;
begin;
rollback;
create table delete_0 (
a int auto_increment primary key,
b varchar(256),
c text) engine = innodb row_format=dynamic;
delete from delete_0;
create table delete_rollback_delete_0 (
a int auto_increment primary key,
b varchar(256),
c text) engine = innodb row_format=dynamic;
begin;
delete from delete_rollback_delete_0;
rollback;
delete from delete_rollback_delete_0;
create table insert_rollback_0 (
a int auto_increment primary key,
b varchar(256),
c text) engine = innodb row_format=dynamic;
begin;
rollback;
SET GLOBAL innodb_fast_shutdown=0;
# delete_3.ibd
# delete_rollback_delete_3.ibd
# insert_rollback_3.ibd
# delete_2.ibd
# delete_rollback_delete_2.ibd
# insert_rollback_2.ibd
# delete_1.ibd
# delete_rollback_delete_1.ibd
# insert_rollback_1.ibd
# delete_0.ibd
# delete_rollback_delete_0.ibd
# insert_rollback_0.ibd
check table delete_3, delete_rollback_delete_3, insert_rollback_3;
Table Op Msg_type Msg_text
test.delete_3 check status OK
test.delete_rollback_delete_3 check status OK
test.insert_rollback_3 check status OK
drop table delete_3, delete_rollback_delete_3, insert_rollback_3;
check table delete_2, delete_rollback_delete_2, insert_rollback_2;
Table Op Msg_type Msg_text
test.delete_2 check status OK
test.delete_rollback_delete_2 check status OK
test.insert_rollback_2 check status OK
drop table delete_2, delete_rollback_delete_2, insert_rollback_2;
check table delete_1, delete_rollback_delete_1, insert_rollback_1;
Table Op Msg_type Msg_text
test.delete_1 check status OK
test.delete_rollback_delete_1 check status OK
test.insert_rollback_1 check status OK
drop table delete_1, delete_rollback_delete_1, insert_rollback_1;
check table delete_0, delete_rollback_delete_0, insert_rollback_0;
Table Op Msg_type Msg_text
test.delete_0 check status OK
test.delete_rollback_delete_0 check status OK
test.insert_rollback_0 check status OK
drop table delete_0, delete_rollback_delete_0, insert_rollback_0;
show variables like 'innodb_%scrub_data%';
Variable_name Value
innodb_background_scrub_data_check_interval 3600
innodb_background_scrub_data_compressed OFF
innodb_background_scrub_data_interval 604800
innodb_background_scrub_data_uncompressed OFF
innodb_immediate_scrub_data_uncompressed ON
# verify that this test have not caused any background scrubbing
select ss.variable_name, gs.variable_value - ss.variable_value as variable_value
from snapshot_status ss,
information_schema.global_status gs
where ss.variable_name = gs.variable_name;
variable_name variable_value
INNODB_SCRUB_BACKGROUND_PAGE_REORGANIZATIONS 0
INNODB_SCRUB_BACKGROUND_PAGE_SPLITS 0
INNODB_SCRUB_BACKGROUND_PAGE_SPLIT_FAILURES_MISSING_INDEX 0
INNODB_SCRUB_BACKGROUND_PAGE_SPLIT_FAILURES_OUT_OF_FILESPACE 0
INNODB_SCRUB_BACKGROUND_PAGE_SPLIT_FAILURES_UNDERFLOW 0
INNODB_SCRUB_BACKGROUND_PAGE_SPLIT_FAILURES_UNKNOWN 0
drop table snapshot_status;
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