84 lines
3.3 KiB
Plaintext
84 lines
3.3 KiB
Plaintext
#
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# WL#9763: Support option to RESET PERSIST
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#
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# Syntax check for RESET PERSIST
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RESET PERSIST;
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RESET PERSIST max_connections;
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ERROR HY000: Variable max_connections does not exist in persisted config file
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RESET PERSIST IF EXISTS max_connections;
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Warnings:
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Warning 3615 Variable max_connections does not exist in persisted config file
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RESET PERSIST IF EXISTS;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
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RESET PERSIST IF EXISTS max_connections, long_query_time;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ', long_query_time' at line 1
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RESET PERSIST max_connections, long_query_time;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ', long_query_time' at line 1
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# check contents of persistent config file
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SET PERSIST sort_buffer_size=256000;
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SET PERSIST long_query_time= 8.3452;
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select * from performance_schema.persisted_variables ORDER BY 1;
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VARIABLE_NAME VARIABLE_VALUE
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long_query_time 8.345200
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sort_buffer_size 256000
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RESET PERSIST;
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# config file should be empty
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select * from performance_schema.persisted_variables ORDER BY 1;
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VARIABLE_NAME VARIABLE_VALUE
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# add few more to config file and reset
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SET PERSIST sort_buffer_size=156000,max_connections= 52;
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SET PERSIST max_heap_table_size=887808, slave_net_timeout=160;
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SET PERSIST long_query_time= 7.8102;
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select * from performance_schema.persisted_variables ORDER BY 1;
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VARIABLE_NAME VARIABLE_VALUE
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long_query_time 7.810200
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max_connections 52
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max_heap_table_size 887808
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slave_net_timeout 160
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sort_buffer_size 156000
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RESET PERSIST max_heap_table_size;
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RESET PERSIST sort_buffer_size;
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select * from performance_schema.persisted_variables ORDER BY 1;
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VARIABLE_NAME VARIABLE_VALUE
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long_query_time 7.810200
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max_connections 52
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slave_net_timeout 160
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RESET PERSIST IF EXISTS slave_net_timeout;
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select * from performance_schema.persisted_variables ORDER BY 1;
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VARIABLE_NAME VARIABLE_VALUE
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long_query_time 7.810200
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max_connections 52
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SET PERSIST join_buffer_size= 262144;
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select * from performance_schema.persisted_variables ORDER BY 1;
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VARIABLE_NAME VARIABLE_VALUE
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join_buffer_size 262144
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long_query_time 7.810200
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max_connections 52
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RESET PERSIST;
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select * from performance_schema.persisted_variables ORDER BY 1;
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VARIABLE_NAME VARIABLE_VALUE
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# check for errors and warnings
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RESET PERSIST IF EXISTS sort_buffer_size;
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Warnings:
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Warning 3615 Variable sort_buffer_size does not exist in persisted config file
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RESET PERSIST sort_buffer_size;
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ERROR HY000: Variable sort_buffer_size does not exist in persisted config file
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SET GLOBAL long_query_time= DEFAULT,
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max_connections= DEFAULT, max_heap_table_size= DEFAULT,
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slave_net_timeout= DEFAULT, sort_buffer_size= DEFAULT,
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join_buffer_size= DEFAULT;
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#
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# Bug #27264789: CONCURRENT EXECUTION OF SET/RESET PERSIST CALL CRASHES SERVER
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#
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SET DEBUG_SYNC='in_set_persist_variables SIGNAL set WAIT_FOR go';
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SET PERSIST max_connections= 38;;
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SET DEBUG_SYNC='now WAIT_FOR set';
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RESET PERSIST IF EXISTS max_connections;;
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SET DEBUG_SYNC='now SIGNAL go';
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SELECT count(*) FROM performance_schema.persisted_variables
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WHERE variable_name = 'max_connections';
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count(*)
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0
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SET DEBUG_SYNC='RESET';
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SET GLOBAL max_connections=DEFAULT;
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