CREATE TABLE t1(a int) ENGINE=EXAMPLE;
ERROR 42000 : Unknown storage engine 'EXAMPLE'
INSTALL PLUGIN non_exist SONAME 'ha_example' ;
ERROR HY000: Can't find symbol ' non_exist' in library ' ha_example.so'
INSTALL PLUGIN example SONAME 'ha_example' ;
INSTALL PLUGIN EXAMPLE SONAME 'ha_example' ;
ERROR HY000: Plugin 'EXAMPLE' already installed
UNINSTALL PLUGIN example;
INSTALL SONAME 'ha_example' ;
select * from information_schema.plugins where plugin_library like 'ha_example%' ;
PLUGIN_NAME EXAMPLE
PLUGIN_VERSION 0 .1
PLUGIN_STATUS ACTIVE
PLUGIN_TYPE STORAGE ENGINE
PLUGIN_TYPE_VERSION #
PLUGIN_LIBRARY ha_example.so
PLUGIN_LIBRARY_VERSION 1 .16
PLUGIN_AUTHOR Brian Aker, MySQL AB
PLUGIN_DESCRIPTION Example storage engine
PLUGIN_LICENSE GPL
LOAD_OPTION ON
PLUGIN_MATURITY Experimental
PLUGIN_AUTH_VERSION 0 .1
PLUGIN_NAME UNUSABLE
PLUGIN_VERSION 3 .14
PLUGIN_STATUS ACTIVE
PLUGIN_TYPE DAEMON
PLUGIN_TYPE_VERSION #
PLUGIN_LIBRARY ha_example.so
PLUGIN_LIBRARY_VERSION 1 .16
PLUGIN_AUTHOR Sergei Golubchik
PLUGIN_DESCRIPTION Unusable Daemon
PLUGIN_LICENSE GPL
LOAD_OPTION ON
PLUGIN_MATURITY Experimental
PLUGIN_AUTH_VERSION 3 .14 .15 .926
CREATE TABLE t1 (a int) ENGINE=EXAMPLE;
CREATE TABLE t2 (a int) ENGINE=EXAMPLE;
FLUSH TABLES;
SELECT * FROM t1;
a
set global example_ulong_var=500 ;
set global example_enum_var= e1;
set session example_int_var= -1 ;
set global example_deprecated_var=1 ;
Warnings:
Warning 1287 '@@example_deprecated_var' is deprecated and will be removed in a future release
show status like 'example%' ;
Variable_name Value
Example_func_example enum_var is 0 , ulong_var is 500 , int_var is -1 , double_var is 8 .500000 , really
show variables like 'example%' ;
Variable_name Value
example_deprecated_var 0
example_double_thdvar 8 .500000
example_double_var 8 .500000
example_enum_var e1
example_int_var -1
example_ulong_var 500
example_varopt_default 5
select @@session.example_int_var;
@@session.example_int_var
-1
UNINSTALL SONAME 'ha_example' ;
Warnings:
Warning 1620 Plugin is busy and will be uninstalled on shutdown
select * from information_schema.plugins where plugin_library like 'ha_example%' ;
PLUGIN_NAME EXAMPLE
PLUGIN_VERSION 0 .1
PLUGIN_STATUS DELETED
PLUGIN_TYPE STORAGE ENGINE
PLUGIN_TYPE_VERSION #
PLUGIN_LIBRARY ha_example.so
PLUGIN_LIBRARY_VERSION 1 .16
PLUGIN_AUTHOR Brian Aker, MySQL AB
PLUGIN_DESCRIPTION Example storage engine
PLUGIN_LICENSE GPL
LOAD_OPTION ON
PLUGIN_MATURITY Experimental
PLUGIN_AUTH_VERSION 0 .1
DROP TABLE t1;
select * from information_schema.plugins where plugin_library like 'ha_example%' ;
SELECT * FROM t2;
ERROR 42000 : Unknown storage engine 'EXAMPLE'
DROP TABLE t2;
UNINSTALL PLUGIN EXAMPLE;
ERROR 42000 : PLUGIN EXAMPLE does not exist
UNINSTALL PLUGIN non_exist;
ERROR 42000 : PLUGIN non_exist does not exist
UNINSTALL SONAME 'non_exist' ;
ERROR 42000 : SONAME non_exist.so does not exist
#
# Bug#32034 : check_func_enum() does not check correct values but set it
# to impossible int val
#
INSTALL PLUGIN example SONAME 'ha_example' ;
SET GLOBAL example_enum_var= e1;
SET GLOBAL example_enum_var= e2;
SET GLOBAL example_enum_var= impossible;
ERROR 42000 : Variable 'example_enum_var' can't be set to the value of ' impossible'
UNINSTALL PLUGIN example;
INSTALL PLUGIN example SONAME 'ha_example' ;
select @@session.sql_mode into @old_sql_mode;
set session sql_mode='' ;
set global example_ulong_var=500 ;
select @@global.example_ulong_var;
@@global.example_ulong_var
500
set global example_ulong_var=1111 ;
Warnings:
Warning 1292 Truncated incorrect example_ulong_var value: '1111'
select @@global.example_ulong_var;
@@global.example_ulong_var
1000
set session sql_mode='STRICT_ALL_TABLES' ;
set global example_ulong_var=500 ;
select @@global.example_ulong_var;
@@global.example_ulong_var
500
set global example_ulong_var=1111 ;
ERROR 42000 : Variable 'example_ulong_var' can't be set to the value of ' 1111 '
select @@global.example_ulong_var;
@@global.example_ulong_var
500
set session sql_mode=@old_sql_mode;
set session old_mode=bla;
ERROR 42000 : Variable 'old_mode' can't be set to the value of ' bla'
#legal values
CREATE TABLE t1 ( a int complex='c,f,f,f' ) ENGINE=example ULL=10000 STR='dskj' one_or_two='one' YESNO=0 ;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11 ) DEFAULT NULL `complex`='c,f,f,f'
) ENGINE=EXAMPLE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci `ULL`='10000' `STR`='dskj' `one_or_two`='one' `YESNO`='0'
drop table t1;
SET @OLD_SQL_MODE=@@SQL_MODE;
SET SQL_MODE='IGNORE_BAD_TABLE_OPTIONS' ;
#illegal value fixed
CREATE TABLE t1 (a int, b int) ENGINE=example ULL=10000000000000000000 one_or_two='ttt' YESNO=SSS;
Warnings:
Warning 1912 Incorrect value '10000000000000000000' for option 'ULL'
Warning 1912 Incorrect value 'ttt' for option 'one_or_two'
Warning 1912 Incorrect value 'SSS' for option 'YESNO'
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11 ) DEFAULT NULL,
`b` int(11 ) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci `ULL`='10000000000000000000' `one_or_two`='ttt' `YESNO`='SSS'
#alter table
alter table t1 ULL=10000000 ;
Warnings:
Note 1105 EXAMPLE DEBUG: ULL 4294967290 -> 10000000
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11 ) DEFAULT NULL,
`b` int(11 ) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci `one_or_two`='ttt' `YESNO`='SSS' `ULL`='10000000'
alter table t1 change a a int complex='c,c,c' ;
Warnings:
Note 1105 EXAMPLE DEBUG: Field `a` COMPLEX '(null)' -> 'c,c,c'
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11 ) DEFAULT NULL `complex`='c,c,c' ,
`b` int(11 ) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci `one_or_two`='ttt' `YESNO`='SSS' `ULL`='10000000'
alter table t1 one_or_two=two;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11 ) DEFAULT NULL `complex`='c,c,c' ,
`b` int(11 ) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci `YESNO`='SSS' `ULL`='10000000' `one_or_two`='two'
drop table t1;
#illegal value error
SET SQL_MODE='' ;
CREATE TABLE t1 (a int) ENGINE=example ULL=10000000000000000000 one_or_two='ttt' YESNO=SSS;
ERROR HY000: Incorrect value '10000000000000000000' for option 'ULL'
CREATE TABLE t1 (a int) ENGINE=example ULL=10 .00 ;
ERROR 42000 : Only integers allowed as number here near '10.00' at line 1
CREATE TABLE t1 (a int) ENGINE=example ULL=1 e2;
ERROR 42000 : Only integers allowed as number here near '1e2' at line 1
CREATE TABLE t1 (a int) ENGINE=example ULL=0 x1234;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11 ) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci `ULL`='4660'
SET example_varopt_default=33 ;
select create_options from information_schema.tables where table_schema='test' and table_name='t1' ;
create_options
`ULL`='4660'
ALTER TABLE t1 ULL=DEFAULT;
Warnings:
Note 1105 EXAMPLE DEBUG: ULL 4660 -> 4294967295
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11 ) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
create table t1 (a int) engine=example;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11 ) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci `VAROPT`='33'
drop table t1;
create table t1 (a int) engine=example varopt=15 ;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11 ) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci `varopt`='15'
alter table t1 varopt=default;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11 ) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci `varopt`='33'
drop table t1;
SET @@SQL_MODE=@OLD_SQL_MODE;
select 1 ;
1
1
UNINSTALL PLUGIN example;
#
# Bug #16194302 SUPPORT FOR FLOATING-POINT SYSTEM
# VARIABLES USING THE PLUGIN INTERFACE.
#
INSTALL PLUGIN example SONAME 'ha_example' ;
SET GLOBAL example_double_var = -0 .1 ;
Warnings:
Warning 1292 Truncated incorrect example_double_var value: '-0.1'
SELECT @@GLOBAL.example_double_var;
@@GLOBAL.example_double_var
0 .500000
SET GLOBAL example_double_var = 0 .000001 ;
Warnings:
Warning 1292 Truncated incorrect example_double_var value: '0.000001'
SELECT @@GLOBAL.example_double_var;
@@GLOBAL.example_double_var
0 .500000
SET GLOBAL example_double_var = 0 .4 ;
Warnings:
Warning 1292 Truncated incorrect example_double_var value: '0.4'
SELECT @@GLOBAL.example_double_var;
@@GLOBAL.example_double_var
0 .500000
SET GLOBAL example_double_var = 123 .456789 ;
SELECT @@GLOBAL.example_double_var;
@@GLOBAL.example_double_var
123 .456789
SET GLOBAL example_double_var = 500 ;
SELECT @@GLOBAL.example_double_var;
@@GLOBAL.example_double_var
500 .000000
SET GLOBAL example_double_var = 999 .999999 ;
SELECT @@GLOBAL.example_double_var;
@@GLOBAL.example_double_var
999 .999999
SET GLOBAL example_double_var = 1000 .51 ;
Warnings:
Warning 1292 Truncated incorrect example_double_var value: '1000.51'
SELECT @@GLOBAL.example_double_var;
@@GLOBAL.example_double_var
1000 .500000
SET SESSION example_double_thdvar = -0 .1 ;
Warnings:
Warning 1292 Truncated incorrect example_double_thdvar value: '-0.1'
SELECT @@SESSION.example_double_thdvar;
@@SESSION.example_double_thdvar
0 .500000
SET SESSION example_double_thdvar = 0 .000001 ;
Warnings:
Warning 1292 Truncated incorrect example_double_thdvar value: '0.000001'
SELECT @@SESSION.example_double_thdvar;
@@SESSION.example_double_thdvar
0 .500000
SET SESSION example_double_thdvar = 0 .4 ;
Warnings:
Warning 1292 Truncated incorrect example_double_thdvar value: '0.4'
SELECT @@SESSION.example_double_thdvar;
@@SESSION.example_double_thdvar
0 .500000
SET SESSION example_double_thdvar = 123 .456789 ;
SELECT @@SESSION.example_double_thdvar;
@@SESSION.example_double_thdvar
123 .456789
SET SESSION example_double_thdvar = 500 ;
SELECT @@SESSION.example_double_thdvar;
@@SESSION.example_double_thdvar
500 .000000
SET SESSION example_double_thdvar = 999 .999999 ;
SELECT @@SESSION.example_double_thdvar;
@@SESSION.example_double_thdvar
999 .999999
SET SESSION example_double_thdvar = 1000 .51 ;
Warnings:
Warning 1292 Truncated incorrect example_double_thdvar value: '1000.51'
SELECT @@SESSION.example_double_thdvar;
@@SESSION.example_double_thdvar
1000 .500000
UNINSTALL PLUGIN example;
UNINSTALL PLUGIN MyISAM;
ERROR HY000: Built-in plugins cannot be deleted
select plugin_name from information_schema.plugins where plugin_library like 'ha_example%' ;
plugin_name
install soname 'ha_example' ;
select plugin_name from information_schema.plugins where plugin_library like 'ha_example%' ;
plugin_name
EXAMPLE
UNUSABLE
uninstall plugin example;
select plugin_name from information_schema.plugins where plugin_library like 'ha_example%' ;
plugin_name
UNUSABLE
install soname 'ha_example' ;
select plugin_name from information_schema.plugins where plugin_library like 'ha_example%' ;
plugin_name
EXAMPLE
UNUSABLE
uninstall soname 'ha_example' ;
select plugin_name from information_schema.plugins where plugin_library like 'ha_example%' ;
plugin_name
set names utf8mb3;
select convert('admin' using utf8mb3);
convert('admin\xF0\x9D\x8C\x86' using utf8mb3)
admin????
Warnings:
Warning 1300 Invalid utf8mb3 character string: '\xF0\x9D\x8C\x86'
install plugin foo soname 'admin' ;
ERROR HY000: No paths allowed for shared library
# End of 5 .5 test
#
# MDEV-5309 - RENAME TABLE does not check for existence of the table's
# engine
#
INSTALL PLUGIN example SONAME 'ha_example' ;
CREATE TABLE t1(a INT) ENGINE=EXAMPLE;
SELECT * FROM t1;
a
FLUSH TABLES;
UNINSTALL PLUGIN example;
RENAME TABLE t1 TO t2;
ERROR 42 S02: Table 'test.t1' doesn't exist
DROP TABLE t1;
# End of 10 .1 test
#
# MDEV-21258 : Can't uninstall plugin if the library file doesn' t exist
#
insert into mysql.plugin values ("unexisting_plugin" , "soname" );
select * from mysql.plugin WHERE name='unexisting_plugin' ;
name dl
unexisting_plugin soname
UNINSTALL PLUGIN unexisting_plugin;
select * from mysql.plugin WHERE name='unexisting_plugin' ;
name dl
UNINSTALL PLUGIN unexisting_plugin;
ERROR 42000 : PLUGIN unexisting_plugin does not exist
#
# MDEV-26323 use-after-poison issue of MariaDB server
#
INSTALL PLUGIN DEALLOCATE SONAME '' ;
ERROR HY000: Can't open shared library ' .so'
INSTALL PLUGIN DEALLOCATE SONAME 'x' ;
ERROR HY000: Can't open shared library ' x.so'
INSTALL PLUGIN DEALLOCATE SONAME 'xx' ;
ERROR HY000: Can't open shared library ' xx.so'
# End of 10 .2 tests
#
# MDEV-16294 : INSTALL PLUGIN IF NOT EXISTS / UNINSTALL PLUGIN IF EXISTS
#
# INSTALL IF NOT EXISTS PLUGIN name SONAME library /
# UNINSTALL IF EXISTS PLUGIN|SONAME name
#
select PLUGIN_NAME,PLUGIN_STATUS,PLUGIN_TYPE from information_schema.plugins where plugin_library like 'ha_example%' ;
PLUGIN_NAME PLUGIN_STATUS PLUGIN_TYPE
INSTALL PLUGIN IF NOT EXISTS example SONAME 'ha_example' ;
select PLUGIN_NAME,PLUGIN_STATUS,PLUGIN_TYPE from information_schema.plugins where plugin_library like 'ha_example%' ;
PLUGIN_NAME PLUGIN_STATUS PLUGIN_TYPE
EXAMPLE ACTIVE STORAGE ENGINE
INSTALL PLUGIN example SONAME 'ha_example' ;
ERROR HY000: Plugin 'example' already installed
INSTALL PLUGIN IF NOT EXISTS example SONAME 'ha_example' ;
Warnings:
Note 1968 Plugin 'example' already installed
SHOW WARNINGS;
Level Code Message
Note 1968 Plugin 'example' already installed
UNINSTALL PLUGIN IF EXISTS example;
select PLUGIN_NAME,PLUGIN_STATUS,PLUGIN_TYPE from information_schema.plugins where plugin_library like 'ha_example%' ;
PLUGIN_NAME PLUGIN_STATUS PLUGIN_TYPE
UNINSTALL PLUGIN IF EXISTS example;
Warnings:
Note 1305 PLUGIN example does not exist
SHOW WARNINGS;
Level Code Message
Note 1305 PLUGIN example does not exist
UNINSTALL PLUGIN example;
ERROR 42000 : PLUGIN example does not exist
INSTALL SONAME 'ha_example' ;
select PLUGIN_NAME,PLUGIN_STATUS,PLUGIN_TYPE from information_schema.plugins where plugin_library like 'ha_example%' ;
PLUGIN_NAME PLUGIN_STATUS PLUGIN_TYPE
EXAMPLE ACTIVE STORAGE ENGINE
UNUSABLE ACTIVE DAEMON
UNINSTALL SONAME IF EXISTS 'ha_example' ;
UNINSTALL SONAME IF EXISTS 'ha_example' ;
Warnings:
Note 1305 SONAME ha_example.so does not exist
SHOW WARNINGS;
Level Code Message
Note 1305 SONAME ha_example.so does not exist
select PLUGIN_NAME,PLUGIN_STATUS,PLUGIN_TYPE from information_schema.plugins where plugin_library like 'ha_example%' ;
PLUGIN_NAME PLUGIN_STATUS PLUGIN_TYPE
UNINSTALL SONAME 'ha_example' ;
ERROR 42000 : SONAME ha_example.so does not exist
#
# Make sure temporary tables maintain plugin references properly
#
INSTALL PLUGIN example SONAME 'ha_example' ;
CREATE TEMPORARY TABLE t1(a INT) ENGINE=example;
UNINSTALL PLUGIN example;
Warnings:
Warning 1620 Plugin is busy and will be uninstalled on shutdown
INSTALL PLUGIN example SONAME 'ha_example' ;
ERROR HY000: Plugin 'example' already installed
DROP TABLE t1;
INSTALL PLUGIN example SONAME 'ha_example' ;
CREATE TEMPORARY TABLE t1(a INT) ENGINE=example;
DROP TABLE t1;
UNINSTALL PLUGIN example;
# End of 10 .4 tests
Messung V0.5 in Prozent C=62 H=100 G=83
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-10-08)
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