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|
CREATE TABLE t1(a int) ENGINE=EXAMPLE;
ERROR 42000: Unknown storage engine 'EXAMPLE'
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 1.13
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 1.13
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;
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_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 1.13
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=bla;
ERROR 42000: Variable 'old' 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=latin1 `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=latin1 `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=latin1 `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=latin1 `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=latin1 `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=1e2;
ERROR 42000: Only integers allowed as number here near '1e2' at line 1
CREATE TABLE t1 (a int) ENGINE=example ULL=0x1234;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `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=latin1
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=latin1 `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=latin1 `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=latin1 `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
#
# 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 42S02: Table 'test.t1' doesn't exist
DROP TABLE t1;
|
