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# # Variable name : session_track_system_variables # Scope : Global & Session # # Global - default SELECT @@global.session_track_system_variables; @@global.session_track_system_variables autocommit,character_set_client,character_set_connection,character_set_results,time_zone # Session - default SELECT @@session.session_track_system_variables; @@session.session_track_system_variables autocommit,character_set_client,character_set_connection,character_set_results,time_zone # via INFORMATION_SCHEMA.GLOBAL_VARIABLES SELECT * FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME LIKE 'session_track_system_variables' ORDER BY VARIABLE_NAME; VARIABLE_NAME VARIABLE_VALUE SESSION_TRACK_SYSTEM_VARIABLES autocommit,character_set_client,character_set_connection,character_set_results,time_zone # via INFORMATION_SCHEMA.SESSION_VARIABLES SELECT * FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE 'session_track_system_variables' ORDER BY VARIABLE_NAME; VARIABLE_NAME VARIABLE_VALUE SESSION_TRACK_SYSTEM_VARIABLES autocommit,character_set_client,character_set_connection,character_set_results,time_zone SET @global_saved_tmp = @@global.session_track_system_variables; # Altering global variable's value SET @@global.session_track_system_variables='autocommit'; SELECT @@global.session_track_system_variables; @@global.session_track_system_variables autocommit SELECT @@session.session_track_system_variables; @@session.session_track_system_variables autocommit,character_set_client,character_set_connection,character_set_results,time_zone # Altering session variable's value SET @@session.session_track_system_variables='autocommit'; SELECT @@global.session_track_system_variables; @@global.session_track_system_variables autocommit SELECT @@session.session_track_system_variables; @@session.session_track_system_variables autocommit # Variables' values in a new session. connect con1,"127.0.0.1",root,,test,$MASTER_MYPORT,; # Global - expect "autocommit" SELECT @@global.session_track_system_variables; @@global.session_track_system_variables autocommit # Session - expect "autocommit" SELECT @@session.session_track_system_variables; @@session.session_track_system_variables autocommit # Switching to the default connection. connection default; SELECT @@global.session_track_system_variables; @@global.session_track_system_variables autocommit SELECT @@session.session_track_system_variables; @@session.session_track_system_variables autocommit # Test if DEFAULT is working as expected. SET @@global.session_track_system_variables = DEFAULT; SET @@session.session_track_system_variables = DEFAULT; SELECT @@global.session_track_system_variables; @@global.session_track_system_variables autocommit,character_set_client,character_set_connection,character_set_results,time_zone SELECT @@session.session_track_system_variables; @@session.session_track_system_variables autocommit,character_set_client,character_set_connection,character_set_results,time_zone # Variables' values in a new session (con2). connect con2,"127.0.0.1",root,,test,$MASTER_MYPORT,; SELECT @@global.session_track_system_variables; @@global.session_track_system_variables autocommit,character_set_client,character_set_connection,character_set_results,time_zone SELECT @@session.session_track_system_variables; @@session.session_track_system_variables autocommit,character_set_client,character_set_connection,character_set_results,time_zone # Altering session should not affect global. SET @@session.session_track_system_variables = 'sql_mode'; SELECT @@global.session_track_system_variables; @@global.session_track_system_variables autocommit,character_set_client,character_set_connection,character_set_results,time_zone SELECT @@session.session_track_system_variables; @@session.session_track_system_variables sql_mode # Variables' values in a new session (con3). connect con3,"127.0.0.1",root,,test,$MASTER_MYPORT,; # Altering global should not affect session. SET @@global.session_track_system_variables = 'sql_mode'; SELECT @@global.session_track_system_variables; @@global.session_track_system_variables sql_mode SELECT @@session.session_track_system_variables; @@session.session_track_system_variables autocommit,character_set_client,character_set_connection,character_set_results,time_zone # Switching to the default connection. connection default; # Testing NULL SET @@global.session_track_system_variables = NULL; ERROR 42000: Variable 'session_track_system_variables' can't be set to the value of 'NULL' SET @@session.session_track_system_variables = NULL; ERROR 42000: Variable 'session_track_system_variables' can't be set to the value of 'NULL' # testing with duplicate entries. SET @@global.session_track_system_variables= "time_zone"; SET @@session.session_track_system_variables= "time_zone"; SET @@global.session_track_system_variables= "sql_mode,sql_mode"; SET @@session.session_track_system_variables= "sql_mode,sql_mode"; SELECT @@global.session_track_system_variables; @@global.session_track_system_variables sql_mode SELECT @@session.session_track_system_variables; @@session.session_track_system_variables sql_mode # testing ordering SET @@global.session_track_system_variables= "time_zone,sql_mode"; SET @@session.session_track_system_variables= "time_zone,sql_mode"; SELECT @@global.session_track_system_variables; @@global.session_track_system_variables sql_mode,time_zone SELECT @@session.session_track_system_variables; @@session.session_track_system_variables sql_mode,time_zone # special values SET @@global.session_track_system_variables= "*"; SET @@session.session_track_system_variables= "*"; SELECT @@global.session_track_system_variables; @@global.session_track_system_variables * SELECT @@session.session_track_system_variables; @@session.session_track_system_variables * SET @@global.session_track_system_variables= ""; SET @@session.session_track_system_variables= ""; SELECT @@global.session_track_system_variables; @@global.session_track_system_variables SELECT @@session.session_track_system_variables; @@session.session_track_system_variables # MDEV-22524 SIGABRT in safe_mutex_unlock with session_track_system_variables and max_relay_log_size. SET SESSION session_track_system_variables="sql_slave_skip_counter", sql_slave_skip_counter= 0; # Restoring the original values. SET @@global.session_track_system_variables = @global_saved_tmp; # End of 10.2 tests. # # MDEV-39207 plugin variables disappear from session_track_system_variables list # install soname 'ha_example.so'; # Plugin global vars are not included set global session_track_system_variables='myisam_block_size'; select @@global.session_track_system_variables; @@global.session_track_system_variables set global session_track_system_variables='example_int_var'; select @@global.session_track_system_variables; @@global.session_track_system_variables example_int_var set global session_track_system_variables='myisam_sort_buffer_size,example_int_var'; select @@global.session_track_system_variables; @@global.session_track_system_variables example_int_var,myisam_sort_buffer_size set global session_track_system_variables='myisam_block_size,myisam_sort_buffer_size,character_set_client,example_int_var'; select @@global.session_track_system_variables; @@global.session_track_system_variables character_set_client,example_int_var,myisam_sort_buffer_size # Session tracking works as expected for plugin session var connect foo,localhost,root; select @@session.session_track_system_variables; @@session.session_track_system_variables character_set_client,example_int_var,myisam_sort_buffer_size set session example_int_var = -1; -- Tracker : SESSION_TRACK_SYSTEM_VARIABLES -- example_int_var: -1 connection default; disconnect foo; uninstall soname 'ha_example.so'; SET @@global.session_track_system_variables = @global_saved_tmp; # End of 10.11 tests