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P_S 5.7.28
This commit is contained in:
Sergei Golubchik
892
mysql-test/suite/perfschema/r/show_plugin.result
Normal file
892
mysql-test/suite/perfschema/r/show_plugin.result
Normal file
@ -0,0 +1,892 @@
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================================================================================
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SETUP
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================================================================================
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# Save the initial number of concurrent sessions
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# Save current SHOW_COMPATIBILITY_56 setting
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SELECT @@global.show_compatibility_56 INTO @show_compatibility_56_save;
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#
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# SET COMPATIBILITY MODE = OFF
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#
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SET @@global.show_compatibility_56 = OFF;
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# Verify EXAMPLE plugin is not loaded
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SELECT COUNT(*) = 0 AS "Expect 1" FROM information_schema.plugins WHERE plugin_name = "EXAMPLE";
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Expect 1
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1
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# Create one session to force local and global system variables;
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connect con0, localhost, root,,;
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connection default;
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================================================================================
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TEST 1- NO PLUGIN VARS
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================================================================================
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SHOW GLOBAL STATUS LIKE "example_%";
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Variable_name Value
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SHOW SESSION STATUS LIKE "example_%";
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Variable_name Value
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||||
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SHOW GLOBAL VARIABLES LIKE "example_%";
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Variable_name Value
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SHOW SESSION VARIABLES LIKE "example_%";
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Variable_name Value
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SELECT variable_name, variable_value FROM performance_schema.global_status WHERE variable_name LIKE "example_%";
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variable_name variable_value
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SELECT variable_name, variable_value FROM performance_schema.session_status WHERE variable_name LIKE "example_%";
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variable_name variable_value
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SELECT variable_name, variable_value FROM performance_schema.global_variables WHERE variable_name LIKE "example_%";
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variable_name variable_value
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SELECT variable_name, variable_value FROM performance_schema.session_variables WHERE variable_name LIKE "example_%";
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variable_name variable_value
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================================================================================
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TEST 2 - PLUGIN LOAD, UNLOAD, RELOAD
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================================================================================
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================================================================================
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2.1 - INSTALL PLUGIN
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================================================================================
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INSTALL PLUGIN example SONAME 'ha_example.so';
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================================================================================
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2.1a - FORCE SYNC OF LOCAL AND GLOBAL SYSTEM VARS
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================================================================================
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SHOW GLOBAL STATUS LIKE "example_%";
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Variable_name Value
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example_func_example enum_var is 0, ulong_var is 8, double_var is 8.500000, really
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example_status_array_var1 100
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example_status_array_var2 20.010000
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example_status_var3 three hundred
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example_status_var4 ON
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example_status_var5 OFF
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example_status_var6 8250
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SHOW SESSION STATUS LIKE "example_%";
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Variable_name Value
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example_func_example enum_var is 0, ulong_var is 8, double_var is 8.500000, really
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example_status_array_var1 100
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example_status_array_var2 20.010000
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example_status_var3 three hundred
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example_status_var4 ON
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example_status_var5 OFF
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example_status_var6 8250
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SHOW GLOBAL VARIABLES LIKE "example_%";
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Variable_name Value
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example_double_thdvar 8.500000
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example_double_var 8.500000
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example_enum_var e1
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example_ulong_var 8
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SHOW SESSION VARIABLES LIKE "example_%";
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Variable_name Value
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example_double_thdvar 8.500000
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example_double_var 8.500000
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example_enum_var e1
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example_ulong_var 8
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SELECT variable_name, variable_value FROM performance_schema.global_status WHERE variable_name LIKE "example_%";
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variable_name variable_value
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example_func_example enum_var is 0, ulong_var is 8, double_var is 8.500000, really
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example_status_array_var1 100
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example_status_array_var2 20.010000
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example_status_var3 three hundred
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example_status_var4 ON
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example_status_var5 OFF
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example_status_var6 8250
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SELECT variable_name, variable_value FROM performance_schema.session_status WHERE variable_name LIKE "example_%";
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variable_name variable_value
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example_func_example enum_var is 0, ulong_var is 8, double_var is 8.500000, really
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example_status_array_var1 100
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example_status_array_var2 20.010000
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example_status_var3 three hundred
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example_status_var4 ON
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example_status_var5 OFF
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example_status_var6 8250
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||||
SELECT variable_name, variable_value FROM performance_schema.global_variables WHERE variable_name LIKE "example_%";
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variable_name variable_value
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example_double_thdvar 8.500000
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example_double_var 8.500000
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example_enum_var e1
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example_ulong_var 8
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SELECT variable_name, variable_value FROM performance_schema.session_variables WHERE variable_name LIKE "example_%";
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variable_name variable_value
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example_double_thdvar 8.500000
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example_double_var 8.500000
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example_enum_var e1
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example_ulong_var 8
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disconnect con0;
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================================================================================
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2.2 - SET PLUGIN VARS
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================================================================================
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# GLOBAL
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SET GLOBAL example_ulong_var = 100;
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SET GLOBAL example_enum_var = e1;
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SET GLOBAL example_double_var = 100.9990;
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SET GLOBAL example_double_thdvar = 101.9991;
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# SESSION
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SET SESSION example_double_thdvar = 102.9992;
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================================================================================
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2.3 - VERIFY UPDATED PLUGIN VARS
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================================================================================
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SHOW GLOBAL STATUS LIKE "example_%";
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Variable_name Value
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example_func_example enum_var is 0, ulong_var is 100, double_var is 100.999000, really
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example_status_array_var1 100
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example_status_array_var2 20.010000
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example_status_var3 three hundred
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example_status_var4 ON
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example_status_var5 OFF
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example_status_var6 8250
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SHOW SESSION STATUS LIKE "example_%";
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Variable_name Value
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||||
example_func_example enum_var is 0, ulong_var is 100, double_var is 100.999000, really
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example_status_array_var1 100
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example_status_array_var2 20.010000
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example_status_var3 three hundred
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example_status_var4 ON
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example_status_var5 OFF
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example_status_var6 8250
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SHOW GLOBAL VARIABLES LIKE "example_%";
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Variable_name Value
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example_double_thdvar 101.999100
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example_double_var 100.999000
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example_enum_var e1
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example_ulong_var 100
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SHOW SESSION VARIABLES LIKE "example_%";
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Variable_name Value
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||||
example_double_thdvar 102.999200
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example_double_var 100.999000
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example_enum_var e1
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example_ulong_var 100
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SELECT variable_name, variable_value FROM performance_schema.global_status WHERE variable_name LIKE "example_%";
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variable_name variable_value
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||||
example_func_example enum_var is 0, ulong_var is 100, double_var is 100.999000, really
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example_status_array_var1 100
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example_status_array_var2 20.010000
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example_status_var3 three hundred
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||||
example_status_var4 ON
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||||
example_status_var5 OFF
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||||
example_status_var6 8250
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_status WHERE variable_name LIKE "example_%";
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variable_name variable_value
|
||||
example_func_example enum_var is 0, ulong_var is 100, double_var is 100.999000, really
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example_status_array_var1 100
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example_status_array_var2 20.010000
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example_status_var3 three hundred
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example_status_var4 ON
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example_status_var5 OFF
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example_status_var6 8250
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|
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SELECT variable_name, variable_value FROM performance_schema.global_variables WHERE variable_name LIKE "example_%";
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variable_name variable_value
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example_double_thdvar 101.999100
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example_double_var 100.999000
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example_enum_var e1
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example_ulong_var 100
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||||
|
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SELECT variable_name, variable_value FROM performance_schema.session_variables WHERE variable_name LIKE "example_%";
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variable_name variable_value
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||||
example_double_thdvar 102.999200
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example_double_var 100.999000
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example_enum_var e1
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example_ulong_var 100
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================================================================================
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2.4 - UNINSTALL PLUGIN
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================================================================================
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UNINSTALL PLUGIN example;
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================================================================================
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2.5 - VERIFY NO PLUGIN VARS
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================================================================================
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SHOW GLOBAL STATUS LIKE "example_%";
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Variable_name Value
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||||
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||||
SHOW SESSION STATUS LIKE "example_%";
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||||
Variable_name Value
|
||||
|
||||
SHOW GLOBAL VARIABLES LIKE "example_%";
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||||
Variable_name Value
|
||||
|
||||
SHOW SESSION VARIABLES LIKE "example_%";
|
||||
Variable_name Value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_variables WHERE variable_name LIKE "example_%";
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||||
variable_name variable_value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_variables WHERE variable_name LIKE "example_%";
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variable_name variable_value
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||||
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================================================================================
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2.6 - REINSTALL PLUGIN
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================================================================================
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# Reinstall EXAMPLE plugin
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INSTALL PLUGIN example SONAME 'ha_example.so';
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================================================================================
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2.7 - SET PLUGIN VARS AGAIN
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================================================================================
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# GLOBAL
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SET GLOBAL example_ulong_var = 200;
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SET GLOBAL example_enum_var = e2;
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SET GLOBAL example_double_var = 200.8880;
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SET GLOBAL example_double_thdvar = 201.8881;
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# SESSION
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SET SESSION example_double_thdvar = 202.8882;
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================================================================================
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2.8 - VERIFY PLUGIN VARS
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================================================================================
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SHOW GLOBAL STATUS LIKE "example_%";
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Variable_name Value
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||||
example_func_example enum_var is 1, ulong_var is 200, double_var is 200.888000, really
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example_status_array_var1 100
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example_status_array_var2 20.010000
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example_status_var3 three hundred
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||||
example_status_var4 ON
|
||||
example_status_var5 OFF
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||||
example_status_var6 8250
|
||||
|
||||
SHOW SESSION STATUS LIKE "example_%";
|
||||
Variable_name Value
|
||||
example_func_example enum_var is 1, ulong_var is 200, double_var is 200.888000, really
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example_status_array_var1 100
|
||||
example_status_array_var2 20.010000
|
||||
example_status_var3 three hundred
|
||||
example_status_var4 ON
|
||||
example_status_var5 OFF
|
||||
example_status_var6 8250
|
||||
|
||||
SHOW GLOBAL VARIABLES LIKE "example_%";
|
||||
Variable_name Value
|
||||
example_double_thdvar 201.888100
|
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example_double_var 200.888000
|
||||
example_enum_var e2
|
||||
example_ulong_var 200
|
||||
|
||||
SHOW SESSION VARIABLES LIKE "example_%";
|
||||
Variable_name Value
|
||||
example_double_thdvar 202.888200
|
||||
example_double_var 200.888000
|
||||
example_enum_var e2
|
||||
example_ulong_var 200
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_func_example enum_var is 1, ulong_var is 200, double_var is 200.888000, really
|
||||
example_status_array_var1 100
|
||||
example_status_array_var2 20.010000
|
||||
example_status_var3 three hundred
|
||||
example_status_var4 ON
|
||||
example_status_var5 OFF
|
||||
example_status_var6 8250
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_func_example enum_var is 1, ulong_var is 200, double_var is 200.888000, really
|
||||
example_status_array_var1 100
|
||||
example_status_array_var2 20.010000
|
||||
example_status_var3 three hundred
|
||||
example_status_var4 ON
|
||||
example_status_var5 OFF
|
||||
example_status_var6 8250
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_variables WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_double_thdvar 201.888100
|
||||
example_double_var 200.888000
|
||||
example_enum_var e2
|
||||
example_ulong_var 200
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_variables WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_double_thdvar 202.888200
|
||||
example_double_var 200.888000
|
||||
example_enum_var e2
|
||||
example_ulong_var 200
|
||||
|
||||
================================================================================
|
||||
2.9 - UNINSTALL PLUGIN
|
||||
================================================================================
|
||||
UNINSTALL PLUGIN example;
|
||||
|
||||
================================================================================
|
||||
2.10 - VERIFY NO PLUGIN VARS
|
||||
================================================================================
|
||||
|
||||
SHOW GLOBAL STATUS LIKE "example_%";
|
||||
Variable_name Value
|
||||
|
||||
SHOW SESSION STATUS LIKE "example_%";
|
||||
Variable_name Value
|
||||
|
||||
SHOW GLOBAL VARIABLES LIKE "example_%";
|
||||
Variable_name Value
|
||||
|
||||
SHOW SESSION VARIABLES LIKE "example_%";
|
||||
Variable_name Value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_variables WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_variables WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
|
||||
================================================================================
|
||||
TEST 3 - SESSION PLUGIN VARS ON MULTIPLE CONNECTIONS
|
||||
================================================================================
|
||||
|
||||
================================================================================
|
||||
3.1 - INSTALL PLUGIN
|
||||
================================================================================
|
||||
INSTALL PLUGIN example SONAME 'ha_example.so';
|
||||
|
||||
================================================================================
|
||||
3.2 - SET GLOBAL AND DEFAULT CONNECTION VARS
|
||||
================================================================================
|
||||
connection default;
|
||||
SET GLOBAL example_ulong_var = 300;
|
||||
SET GLOBAL example_enum_var = e1;
|
||||
SET GLOBAL example_double_var = 301.0000;
|
||||
SET GLOBAL example_double_thdvar = 302.0000;
|
||||
SET SESSION example_double_thdvar = 300.0000;
|
||||
|
||||
================================================================================
|
||||
3.3 - CONNECT 3 CLIENTS, SET LOCAL PLUGIN VARS
|
||||
================================================================================
|
||||
connect con1, localhost, root,,;
|
||||
SET SESSION example_double_thdvar = 300.1111;
|
||||
|
||||
connect con2, localhost, root,,;
|
||||
SET SESSION example_double_thdvar = 300.2222;
|
||||
|
||||
connect con3, localhost, root,,;
|
||||
SET SESSION example_double_thdvar = 300.3333;
|
||||
|
||||
connection default;
|
||||
|
||||
================================================================================
|
||||
3.4 - VERIFY GLOBAL AND SESSION PLUGIN VARS
|
||||
================================================================================
|
||||
|
||||
SHOW GLOBAL STATUS LIKE "example_%";
|
||||
Variable_name Value
|
||||
example_func_example enum_var is 0, ulong_var is 300, double_var is 301.000000, really
|
||||
example_status_array_var1 100
|
||||
example_status_array_var2 20.010000
|
||||
example_status_var3 three hundred
|
||||
example_status_var4 ON
|
||||
example_status_var5 OFF
|
||||
example_status_var6 8250
|
||||
|
||||
SHOW SESSION STATUS LIKE "example_%";
|
||||
Variable_name Value
|
||||
example_func_example enum_var is 0, ulong_var is 300, double_var is 301.000000, really
|
||||
example_status_array_var1 100
|
||||
example_status_array_var2 20.010000
|
||||
example_status_var3 three hundred
|
||||
example_status_var4 ON
|
||||
example_status_var5 OFF
|
||||
example_status_var6 8250
|
||||
|
||||
SHOW GLOBAL VARIABLES LIKE "example_%";
|
||||
Variable_name Value
|
||||
example_double_thdvar 302.000000
|
||||
example_double_var 301.000000
|
||||
example_enum_var e1
|
||||
example_ulong_var 300
|
||||
|
||||
SHOW SESSION VARIABLES LIKE "example_%";
|
||||
Variable_name Value
|
||||
example_double_thdvar 300.000000
|
||||
example_double_var 301.000000
|
||||
example_enum_var e1
|
||||
example_ulong_var 300
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_func_example enum_var is 0, ulong_var is 300, double_var is 301.000000, really
|
||||
example_status_array_var1 100
|
||||
example_status_array_var2 20.010000
|
||||
example_status_var3 three hundred
|
||||
example_status_var4 ON
|
||||
example_status_var5 OFF
|
||||
example_status_var6 8250
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_func_example enum_var is 0, ulong_var is 300, double_var is 301.000000, really
|
||||
example_status_array_var1 100
|
||||
example_status_array_var2 20.010000
|
||||
example_status_var3 three hundred
|
||||
example_status_var4 ON
|
||||
example_status_var5 OFF
|
||||
example_status_var6 8250
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_variables WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_double_thdvar 302.000000
|
||||
example_double_var 301.000000
|
||||
example_enum_var e1
|
||||
example_ulong_var 300
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_variables WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_double_thdvar 300.000000
|
||||
example_double_var 301.000000
|
||||
example_enum_var e1
|
||||
example_ulong_var 300
|
||||
|
||||
# Variables by thread
|
||||
SELECT variable_name, variable_value FROM performance_schema.variables_by_thread
|
||||
WHERE variable_name LIKE "example_%" ORDER BY variable_value;
|
||||
variable_name variable_value
|
||||
example_double_thdvar 300.000000
|
||||
example_double_thdvar 300.111100
|
||||
example_double_thdvar 300.222200
|
||||
example_double_thdvar 300.333300
|
||||
|
||||
================================================================================
|
||||
3.5 - DISCONNECT CLIENTS
|
||||
================================================================================
|
||||
connection con1;
|
||||
disconnect con1;
|
||||
connection con2;
|
||||
disconnect con2;
|
||||
connection con3;
|
||||
disconnect con3;
|
||||
connection default;
|
||||
|
||||
================================================================================
|
||||
3.6 - VERIFY SESSION VARS ARE REMOVED
|
||||
================================================================================
|
||||
|
||||
SHOW GLOBAL STATUS LIKE "example_%";
|
||||
Variable_name Value
|
||||
example_func_example enum_var is 0, ulong_var is 300, double_var is 301.000000, really
|
||||
example_status_array_var1 100
|
||||
example_status_array_var2 20.010000
|
||||
example_status_var3 three hundred
|
||||
example_status_var4 ON
|
||||
example_status_var5 OFF
|
||||
example_status_var6 8250
|
||||
|
||||
SHOW SESSION STATUS LIKE "example_%";
|
||||
Variable_name Value
|
||||
example_func_example enum_var is 0, ulong_var is 300, double_var is 301.000000, really
|
||||
example_status_array_var1 100
|
||||
example_status_array_var2 20.010000
|
||||
example_status_var3 three hundred
|
||||
example_status_var4 ON
|
||||
example_status_var5 OFF
|
||||
example_status_var6 8250
|
||||
|
||||
SHOW GLOBAL VARIABLES LIKE "example_%";
|
||||
Variable_name Value
|
||||
example_double_thdvar 302.000000
|
||||
example_double_var 301.000000
|
||||
example_enum_var e1
|
||||
example_ulong_var 300
|
||||
|
||||
SHOW SESSION VARIABLES LIKE "example_%";
|
||||
Variable_name Value
|
||||
example_double_thdvar 300.000000
|
||||
example_double_var 301.000000
|
||||
example_enum_var e1
|
||||
example_ulong_var 300
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_func_example enum_var is 0, ulong_var is 300, double_var is 301.000000, really
|
||||
example_status_array_var1 100
|
||||
example_status_array_var2 20.010000
|
||||
example_status_var3 three hundred
|
||||
example_status_var4 ON
|
||||
example_status_var5 OFF
|
||||
example_status_var6 8250
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_func_example enum_var is 0, ulong_var is 300, double_var is 301.000000, really
|
||||
example_status_array_var1 100
|
||||
example_status_array_var2 20.010000
|
||||
example_status_var3 three hundred
|
||||
example_status_var4 ON
|
||||
example_status_var5 OFF
|
||||
example_status_var6 8250
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_variables WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_double_thdvar 302.000000
|
||||
example_double_var 301.000000
|
||||
example_enum_var e1
|
||||
example_ulong_var 300
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_variables WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_double_thdvar 300.000000
|
||||
example_double_var 301.000000
|
||||
example_enum_var e1
|
||||
example_ulong_var 300
|
||||
|
||||
# Variables by thread
|
||||
SELECT variable_name, variable_value FROM performance_schema.variables_by_thread
|
||||
WHERE variable_name LIKE "example_%" ORDER BY variable_value;
|
||||
variable_name variable_value
|
||||
example_double_thdvar 300.000000
|
||||
|
||||
================================================================================
|
||||
3.7 - RECONNECT 3 CLIENTS, SET SESSION VARS FOR EACH
|
||||
================================================================================
|
||||
connect con1, localhost, root,,;
|
||||
SET SESSION example_double_thdvar = 311.1111;
|
||||
|
||||
connect con2, localhost, root,,;
|
||||
SET SESSION example_double_thdvar = 322.2222;
|
||||
|
||||
connect con3, localhost, root,,;
|
||||
SET SESSION example_double_thdvar = 333.3333;
|
||||
|
||||
connection default;
|
||||
|
||||
================================================================================
|
||||
3.8 - VERIFY GLOBAL AND SESSION VARS
|
||||
================================================================================
|
||||
|
||||
SHOW GLOBAL STATUS LIKE "example_%";
|
||||
Variable_name Value
|
||||
example_func_example enum_var is 0, ulong_var is 300, double_var is 301.000000, really
|
||||
example_status_array_var1 100
|
||||
example_status_array_var2 20.010000
|
||||
example_status_var3 three hundred
|
||||
example_status_var4 ON
|
||||
example_status_var5 OFF
|
||||
example_status_var6 8250
|
||||
|
||||
SHOW SESSION STATUS LIKE "example_%";
|
||||
Variable_name Value
|
||||
example_func_example enum_var is 0, ulong_var is 300, double_var is 301.000000, really
|
||||
example_status_array_var1 100
|
||||
example_status_array_var2 20.010000
|
||||
example_status_var3 three hundred
|
||||
example_status_var4 ON
|
||||
example_status_var5 OFF
|
||||
example_status_var6 8250
|
||||
|
||||
SHOW GLOBAL VARIABLES LIKE "example_%";
|
||||
Variable_name Value
|
||||
example_double_thdvar 302.000000
|
||||
example_double_var 301.000000
|
||||
example_enum_var e1
|
||||
example_ulong_var 300
|
||||
|
||||
SHOW SESSION VARIABLES LIKE "example_%";
|
||||
Variable_name Value
|
||||
example_double_thdvar 300.000000
|
||||
example_double_var 301.000000
|
||||
example_enum_var e1
|
||||
example_ulong_var 300
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_func_example enum_var is 0, ulong_var is 300, double_var is 301.000000, really
|
||||
example_status_array_var1 100
|
||||
example_status_array_var2 20.010000
|
||||
example_status_var3 three hundred
|
||||
example_status_var4 ON
|
||||
example_status_var5 OFF
|
||||
example_status_var6 8250
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_func_example enum_var is 0, ulong_var is 300, double_var is 301.000000, really
|
||||
example_status_array_var1 100
|
||||
example_status_array_var2 20.010000
|
||||
example_status_var3 three hundred
|
||||
example_status_var4 ON
|
||||
example_status_var5 OFF
|
||||
example_status_var6 8250
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_variables WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_double_thdvar 302.000000
|
||||
example_double_var 301.000000
|
||||
example_enum_var e1
|
||||
example_ulong_var 300
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_variables WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
example_double_thdvar 300.000000
|
||||
example_double_var 301.000000
|
||||
example_enum_var e1
|
||||
example_ulong_var 300
|
||||
|
||||
# Variables by thread
|
||||
SELECT variable_name, variable_value FROM performance_schema.variables_by_thread
|
||||
WHERE variable_name LIKE "example_%" ORDER BY variable_value;
|
||||
variable_name variable_value
|
||||
example_double_thdvar 300.000000
|
||||
example_double_thdvar 311.111100
|
||||
example_double_thdvar 322.222200
|
||||
example_double_thdvar 333.333300
|
||||
|
||||
================================================================================
|
||||
3.9 - UNINSTALL PLUGIN, LEAVE CLIENTS CONNECTED
|
||||
================================================================================
|
||||
UNINSTALL PLUGIN example;
|
||||
|
||||
================================================================================
|
||||
3.10 - VERIFY SESSION VARS ARE REMOVED
|
||||
================================================================================
|
||||
|
||||
SHOW GLOBAL STATUS LIKE "example_%";
|
||||
Variable_name Value
|
||||
|
||||
SHOW SESSION STATUS LIKE "example_%";
|
||||
Variable_name Value
|
||||
|
||||
SHOW GLOBAL VARIABLES LIKE "example_%";
|
||||
Variable_name Value
|
||||
|
||||
SHOW SESSION VARIABLES LIKE "example_%";
|
||||
Variable_name Value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_variables WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_variables WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
|
||||
# VARIABLES BY THREAD
|
||||
SELECT variable_name, variable_value FROM performance_schema.variables_by_thread
|
||||
WHERE variable_name LIKE "example_%" ORDER BY variable_value;
|
||||
variable_name variable_value
|
||||
|
||||
================================================================================
|
||||
3.11 - DISCONNECT CLIENTS
|
||||
================================================================================
|
||||
connection con1;
|
||||
disconnect con1;
|
||||
connection con2;
|
||||
disconnect con2;
|
||||
connection con3;
|
||||
disconnect con3;
|
||||
connection default;
|
||||
|
||||
================================================================================
|
||||
3.12 - VERIFY CLIENTS ARE REMOVED
|
||||
================================================================================
|
||||
|
||||
SHOW GLOBAL STATUS LIKE "example_%";
|
||||
Variable_name Value
|
||||
|
||||
SHOW SESSION STATUS LIKE "example_%";
|
||||
Variable_name Value
|
||||
|
||||
SHOW GLOBAL VARIABLES LIKE "example_%";
|
||||
Variable_name Value
|
||||
|
||||
SHOW SESSION VARIABLES LIKE "example_%";
|
||||
Variable_name Value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_status WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.global_variables WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
|
||||
SELECT variable_name, variable_value FROM performance_schema.session_variables WHERE variable_name LIKE "example_%";
|
||||
variable_name variable_value
|
||||
|
||||
# VARIABLES BY THREAD
|
||||
SELECT variable_name, variable_value FROM performance_schema.variables_by_thread
|
||||
WHERE variable_name LIKE "example_%" ORDER BY variable_value;
|
||||
variable_name variable_value
|
||||
|
||||
================================================================================
|
||||
TEST 4 - BUG#18008907: DEADLOCK WITH CHANGE_USER, SHOW VARIABLES, INSTALL PLUGIN
|
||||
================================================================================
|
||||
|
||||
CREATE PROCEDURE install_no_such_plugin()
|
||||
BEGIN
|
||||
INSTALL PLUGIN no_such_plugin SONAME 'no_such_object';
|
||||
END|
|
||||
|
||||
CREATE PROCEDURE show_vars()
|
||||
BEGIN
|
||||
-- select on information_schema.global_variables
|
||||
-- will fail, still need to cover execution of the code
|
||||
-- to verify potential dead locks.
|
||||
declare continue handler for sqlexception
|
||||
begin
|
||||
end;
|
||||
SELECT COUNT(*) FROM information_schema.global_variables;
|
||||
SELECT COUNT(*) FROM performance_schema.global_variables;
|
||||
END|
|
||||
|
||||
================================================================================
|
||||
4.1 - DEADLOCK SCENARIO 1:
|
||||
con1 - has LOCK_system_variables_hash and waits on LOCK_plugin AND
|
||||
default - has LOCK_plugin and waits on LOCK_system_variables_hash
|
||||
================================================================================
|
||||
connect con1, localhost, root,,;
|
||||
SET DEBUG_SYNC='acquired_LOCK_system_variables_hash SIGNAL install_plugin WAIT_FOR cont_show_vars';
|
||||
call show_vars();;
|
||||
connection default;
|
||||
SET DEBUG_SYNC='now WAIT_FOR install_plugin';
|
||||
SET DEBUG_SYNC='acquired_LOCK_plugin SIGNAL cont_show_vars';
|
||||
call install_no_such_plugin();;
|
||||
connection con1;
|
||||
|
||||
# Without fix, reap will hang.
|
||||
COUNT(*)
|
||||
#
|
||||
SET DEBUG_SYNC='RESET';
|
||||
connection default;
|
||||
ERROR HY000: Can't open shared library
|
||||
|
||||
SET DEBUG_SYNC='RESET';
|
||||
|
||||
================================================================================
|
||||
4.2 - DEADLOCK SCENARIO 2:
|
||||
default - has LOCK_system_variables_hash, waits on LOCK_global_system_variables
|
||||
con1 - has LOCK_plugin, waits on LOCK_system_variables_hash AND
|
||||
con2 - has LOCK_global_system_variables, waits on LOCK_plugin
|
||||
================================================================================
|
||||
SET DEBUG_SYNC='acquired_LOCK_system_variables_hash SIGNAL install_plugin WAIT_FOR nothing TIMEOUT 10';
|
||||
call show_vars();;
|
||||
connection con1;
|
||||
SET DEBUG_SYNC='now WAIT_FOR install_plugin';
|
||||
SET DEBUG_SYNC='acquired_LOCK_plugin SIGNAL create_connection WAIT_FOR nothing TIMEOUT 10';
|
||||
call install_no_such_plugin();;
|
||||
connect con2, localhost, root,,;
|
||||
SET DEBUG_SYNC='now WAIT_FOR create_connection';
|
||||
|
||||
# Without fix, deadlock situation will occur on timeout of debug_syncs in
|
||||
# default and con1. Because of this, change_user operation hangs.
|
||||
change_user
|
||||
connection con1;
|
||||
ERROR HY000: Can't open shared library
|
||||
|
||||
connection default;
|
||||
COUNT(*)
|
||||
#
|
||||
|
||||
disconnect con2;
|
||||
|
||||
================================================================================
|
||||
4.3 - DEADLOCK SCENARIO 3: CONCURRENT SHOW VARIABLES AND UNINSTALL PLUGIN
|
||||
================================================================================
|
||||
#
|
||||
# INSTALL PLUGIN
|
||||
#
|
||||
INSTALL PLUGIN example SONAME 'ha_example.so';
|
||||
connection con1;
|
||||
|
||||
# Acquiring LOCK_system_variables_hash and LOCK_plugin_delete
|
||||
SET DEBUG_SYNC='acquired_LOCK_system_variables_hash SIGNAL uninstall_plugin WAIT_FOR go';
|
||||
call show_vars();;
|
||||
connect con2, localhost, root,,;
|
||||
#
|
||||
# UNINSTALL PLUGIN
|
||||
#
|
||||
SET DEBUG_SYNC='now WAIT_FOR uninstall_plugin';
|
||||
UNINSTALL PLUGIN example;;
|
||||
connection default;
|
||||
|
||||
# Uninstall will wait until SHOW VARIABLES releases LOCK_plugin_delete.
|
||||
SET DEBUG_SYNC='now SIGNAL go';
|
||||
# Connect con1 - reap
|
||||
connection con1;
|
||||
COUNT(*)
|
||||
#
|
||||
# Connect con2 - reap
|
||||
connection con2;
|
||||
|
||||
================================================================================
|
||||
TEST 5 - BUG#22225549 MYSQL_CHANGE_USER/MYSQL_RESET_CONNECTION + SET INNODB...
|
||||
Update to plugin-defined session variable triggers resync with global
|
||||
variables and deadlocks on THD::LOCK_thd_sysvar.
|
||||
================================================================================
|
||||
SELECT @@global.show_compatibility_56;
|
||||
@@global.show_compatibility_56
|
||||
0
|
||||
select @@session.innodb_strict_mode;
|
||||
@@session.innodb_strict_mode
|
||||
1
|
||||
select user(), current_user();
|
||||
user() current_user()
|
||||
root@localhost root@localhost
|
||||
change_user root
|
||||
#
|
||||
# Trigger a resync of session variables with global variables.
|
||||
#
|
||||
set @@session.innodb_strict_mode=off;
|
||||
|
||||
# Restore
|
||||
|
||||
set @@session.innodb_strict_mode=1;
|
||||
select @@session.innodb_strict_mode;
|
||||
@@session.innodb_strict_mode
|
||||
1
|
||||
|
||||
================================================================================
|
||||
CLEAN UP
|
||||
================================================================================
|
||||
connection default;
|
||||
|
||||
DROP PROCEDURE show_vars;
|
||||
DROP PROCEDURE install_no_such_plugin;
|
||||
SET DEBUG_SYNC='RESET';
|
||||
|
||||
disconnect con1;
|
||||
disconnect con2;
|
||||
|
||||
# Restore SHOW_COMPATIBILITY_56 setting
|
||||
SET @@global.show_compatibility_56 = @show_compatibility_56_save;
|
||||
|
||||
# Wait till we reached the initial number of concurrent sessions
|
||||
Reference in New Issue
Block a user