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MDEV-22653: Remove the useless parameter innodb_simulate_comp_failures

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The debug parameter innodb_simulate_comp_failures injected compression
failures for ROW_FORMAT=COMPRESSED tables, breaking the pre-existing
logic that I had implemented in the InnoDB Plugin for MySQL 5.1 to prevent
compressed page overflows. A much better check is already achieved by
defining UNIV_ZIP_COPY at the compilation time.
(Only UNIV_ZIP_DEBUG is part of cmake -DWITH_INNODB_EXTRA_DEBUG=ON.)
This commit is contained in:
Marko Mäkelä
2021-03-22 17:46:49 +02:00
parent 0e96570171
commit 0f8caadc96
14 changed files with 0 additions and 400 deletions
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77
mysql-test/suite/sys_vars/r/innodb_simulate_comp_failures_basic.result
View File

@ -1,77 +0,0 @@
SET @start_global_value = @@global.innodb_simulate_comp_failures;
SELECT @start_global_value;
@start_global_value
0
Valid values are between 0 and 99
select @@global.innodb_simulate_comp_failures between 0 and 99;
@@global.innodb_simulate_comp_failures between 0 and 99
1
select @@global.innodb_simulate_comp_failures;
@@global.innodb_simulate_comp_failures
0
select @@session.innodb_simulate_comp_failures;
ERROR HY000: Variable 'innodb_simulate_comp_failures' is a GLOBAL variable
show global variables like 'innodb_simulate_comp_failures';
Variable_name Value
innodb_simulate_comp_failures 0
show session variables like 'innodb_simulate_comp_failures';
Variable_name Value
innodb_simulate_comp_failures 0
select * from information_schema.global_variables where variable_name='innodb_simulate_comp_failures';
VARIABLE_NAME VARIABLE_VALUE
INNODB_SIMULATE_COMP_FAILURES 0
select * from information_schema.session_variables where variable_name='innodb_simulate_comp_failures';
VARIABLE_NAME VARIABLE_VALUE
INNODB_SIMULATE_COMP_FAILURES 0
set global innodb_simulate_comp_failures=10;
select @@global.innodb_simulate_comp_failures;
@@global.innodb_simulate_comp_failures
10
select * from information_schema.global_variables where variable_name='innodb_simulate_comp_failures';
VARIABLE_NAME VARIABLE_VALUE
INNODB_SIMULATE_COMP_FAILURES 10
select * from information_schema.session_variables where variable_name='innodb_simulate_comp_failures';
VARIABLE_NAME VARIABLE_VALUE
INNODB_SIMULATE_COMP_FAILURES 10
set session innodb_simulate_comp_failures=1;
ERROR HY000: Variable 'innodb_simulate_comp_failures' is a GLOBAL variable and should be set with SET GLOBAL
set global innodb_simulate_comp_failures=1.1;
ERROR 42000: Incorrect argument type to variable 'innodb_simulate_comp_failures'
set global innodb_simulate_comp_failures=1e1;
ERROR 42000: Incorrect argument type to variable 'innodb_simulate_comp_failures'
set global innodb_simulate_comp_failures="foo";
ERROR 42000: Incorrect argument type to variable 'innodb_simulate_comp_failures'
set global innodb_simulate_comp_failures=-7;
Warnings:
Warning 1292 Truncated incorrect innodb_simulate_comp_failures value: '-7'
select @@global.innodb_simulate_comp_failures;
@@global.innodb_simulate_comp_failures
0
select * from information_schema.global_variables where variable_name='innodb_simulate_comp_failures';
VARIABLE_NAME VARIABLE_VALUE
INNODB_SIMULATE_COMP_FAILURES 0
set global innodb_simulate_comp_failures=106;
Warnings:
Warning 1292 Truncated incorrect innodb_simulate_comp_failures value: '106'
select @@global.innodb_simulate_comp_failures;
@@global.innodb_simulate_comp_failures
99
select * from information_schema.global_variables where variable_name='innodb_simulate_comp_failures';
VARIABLE_NAME VARIABLE_VALUE
INNODB_SIMULATE_COMP_FAILURES 99
set global innodb_simulate_comp_failures=0;
select @@global.innodb_simulate_comp_failures;
@@global.innodb_simulate_comp_failures
0
set global innodb_simulate_comp_failures=99;
select @@global.innodb_simulate_comp_failures;
@@global.innodb_simulate_comp_failures
99
set global innodb_simulate_comp_failures=DEFAULT;
select @@global.innodb_simulate_comp_failures;
@@global.innodb_simulate_comp_failures
0
SET @@global.innodb_simulate_comp_failures = @start_global_value;
SELECT @@global.innodb_simulate_comp_failures;
@@global.innodb_simulate_comp_failures
0

12
mysql-test/suite/sys_vars/r/sysvars_innodb.result
View File

@ -2202,18 +2202,6 @@ NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_SIMULATE_COMP_FAILURES
SESSION_VALUE NULL
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT Simulate compression failures.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 99
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_SORT_BUFFER_SIZE
SESSION_VALUE NULL
DEFAULT_VALUE 1048576