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RESET MASTER; SET @start_global_value = @@global.gtid_executed; SELECT @start_global_value; @start_global_value SET @start_show_compatibility_56= @@GLOBAL.SHOW_COMPATIBILITY_56; SELECT @start_show_compatibility_56; @start_show_compatibility_56 1 SELECT @@GLOBAL.GTID_EXECUTED; @@GLOBAL.GTID_EXECUTED SET @@GLOBAL.SHOW_COMPATIBILITY_56= OFF; SELECT * FROM performance_schema.global_variables; SHOW WARNINGS; Level Code Message SELECT * FROM performance_schema.global_variables WHERE VARIABLE_NAME LIKE 'gtid_executed'; VARIABLE_NAME VARIABLE_VALUE gtid_executed SELECT * FROM performance_schema.global_variables WHERE VARIABLE_NAME LIKE 'gtid_%' ORDER BY VARIABLE_NAME; VARIABLE_NAME VARIABLE_VALUE gtid_executed gtid_executed_compression_period 1000 gtid_mode OFF gtid_owned gtid_purged SHOW GLOBAL VARIABLES; SHOW WARNINGS; Level Code Message SELECT * FROM information_schema.global_variables; SHOW GLOBAL VARIABLES LIKE 'gtid_executed'; Variable_name Value gtid_executed SHOW GLOBAL VARIABLES LIKE 'gtid_%'; Variable_name Value gtid_executed gtid_executed_compression_period 1000 gtid_mode OFF gtid_owned gtid_purged SET @@GLOBAL.SHOW_COMPATIBILITY_56= ON; SHOW GLOBAL VARIABLES; SHOW WARNINGS; Level Code Message SELECT * FROM information_schema.global_variables; SHOW WARNINGS; Level Code Message Warning 1287 'INFORMATION_SCHEMA.GLOBAL_VARIABLES' is deprecated and will be removed in a future release. Please use performance_schema.global_variables instead SHOW GLOBAL VARIABLES LIKE 'gtid_executed'; Variable_name Value gtid_executed SELECT * FROM information_schema.global_variables WHERE VARIABLE_NAME LIKE 'gtid_executed'; VARIABLE_NAME VARIABLE_VALUE GTID_EXECUTED Warnings: Warning 1287 'INFORMATION_SCHEMA.GLOBAL_VARIABLES' is deprecated and will be removed in a future release. Please use performance_schema.global_variables instead SHOW GLOBAL VARIABLES LIKE 'gtid_%'; Variable_name Value gtid_executed gtid_executed_compression_period 1000 gtid_mode OFF gtid_owned gtid_purged SELECT * FROM information_schema.global_variables WHERE VARIABLE_NAME LIKE 'gtid_%' ORDER BY VARIABLE_NAME; VARIABLE_NAME VARIABLE_VALUE GTID_EXECUTED GTID_EXECUTED_COMPRESSION_PERIOD 1000 GTID_MODE OFF GTID_OWNED GTID_PURGED Warnings: Warning 1287 'INFORMATION_SCHEMA.GLOBAL_VARIABLES' is deprecated and will be removed in a future release. Please use performance_schema.global_variables instead SET GLOBAL SHOW_COMPATIBILITY_56= OFF; SELECT * FROM performance_schema.global_variables WHERE VARIABLE_NAME LIKE 'xyz'; VARIABLE_NAME VARIABLE_VALUE SHOW GLOBAL VARIABLES LIKE 'xyz'; Variable_name Value SET GLOBAL SHOW_COMPATIBILITY_56= ON; SHOW GLOBAL VARIABLES LIKE 'xyz'; Variable_name Value SELECT * FROM information_schema.global_variables WHERE VARIABLE_NAME LIKE 'xyz'; VARIABLE_NAME VARIABLE_VALUE Warnings: Warning 1287 'INFORMATION_SCHEMA.GLOBAL_VARIABLES' is deprecated and will be removed in a future release. Please use performance_schema.global_variables instead SET GLOBAL SHOW_COMPATIBILITY_56= OFF; # # gtid_executed deprecation warnings are issued # SELECT @@SESSION.GTID_EXECUTED; @@SESSION.GTID_EXECUTED Warnings: Warning 1681 '@@SESSION.GTID_EXECUTED' is deprecated and will be removed in a future release. SELECT @@SESSION.GTID_EXECUTED, @@SESSION.GTID_EXECUTED; @@SESSION.GTID_EXECUTED @@SESSION.GTID_EXECUTED Warnings: Warning 1681 '@@SESSION.GTID_EXECUTED' is deprecated and will be removed in a future release. SET @my_gtid_executed= @@SESSION.GTID_EXECUTED; Warnings: Warning 1681 '@@SESSION.GTID_EXECUTED' is deprecated and will be removed in a future release. # # gtid_executed deprecation warnings are NOT issued # SET GLOBAL SHOW_COMPATIBILITY_56= ON; SHOW VARIABLES; SHOW WARNINGS; Level Code Message SHOW SESSION VARIABLES; SHOW WARNINGS; Level Code Message SELECT * FROM information_schema.session_variables; SHOW WARNINGS; Level Code Message Warning 1287 'INFORMATION_SCHEMA.SESSION_VARIABLES' is deprecated and will be removed in a future release. Please use performance_schema.session_variables instead SHOW VARIABLES LIKE 'gtid_executed'; Variable_name Value gtid_executed SHOW SESSION VARIABLES LIKE 'gtid_executed'; Variable_name Value gtid_executed SELECT * FROM information_schema.session_variables WHERE VARIABLE_NAME LIKE 'gtid_executed'; VARIABLE_NAME VARIABLE_VALUE GTID_EXECUTED Warnings: Warning 1287 'INFORMATION_SCHEMA.SESSION_VARIABLES' is deprecated and will be removed in a future release. Please use performance_schema.session_variables instead SHOW VARIABLES LIKE 'gtid_%'; Variable_name Value gtid_executed gtid_executed_compression_period 1000 gtid_mode OFF gtid_next AUTOMATIC gtid_owned gtid_purged SHOW SESSION VARIABLES LIKE 'gtid_%'; Variable_name Value gtid_executed gtid_executed_compression_period 1000 gtid_mode OFF gtid_next AUTOMATIC gtid_owned gtid_purged SELECT * FROM information_schema.session_variables WHERE VARIABLE_NAME LIKE 'gtid_%' ORDER BY VARIABLE_NAME; VARIABLE_NAME VARIABLE_VALUE GTID_EXECUTED GTID_EXECUTED_COMPRESSION_PERIOD 1000 GTID_MODE OFF GTID_NEXT AUTOMATIC GTID_OWNED GTID_PURGED Warnings: Warning 1287 'INFORMATION_SCHEMA.SESSION_VARIABLES' is deprecated and will be removed in a future release. Please use performance_schema.session_variables instead SHOW VARIABLES LIKE 'xyz'; Variable_name Value SHOW SESSION VARIABLES LIKE 'xyz'; Variable_name Value SELECT * FROM information_schema.session_variables WHERE VARIABLE_NAME LIKE 'xyz'; VARIABLE_NAME VARIABLE_VALUE Warnings: Warning 1287 'INFORMATION_SCHEMA.SESSION_VARIABLES' is deprecated and will be removed in a future release. Please use performance_schema.session_variables instead # # @@session.gtid_executed is not present in P_S table and no deprecation # warnings ar issued # SET GLOBAL SHOW_COMPATIBILITY_56= OFF; SELECT * FROM performance_schema.session_variables; SHOW WARNINGS; Level Code Message SELECT * FROM performance_schema.session_variables WHERE VARIABLE_NAME LIKE 'gtid_executed'; VARIABLE_NAME VARIABLE_VALUE SELECT * FROM performance_schema.session_variables WHERE VARIABLE_NAME LIKE 'gtid_%' ORDER BY VARIABLE_NAME; VARIABLE_NAME VARIABLE_VALUE gtid_executed_compression_period 1000 gtid_mode OFF gtid_next AUTOMATIC gtid_owned gtid_purged SHOW VARIABLES; SHOW WARNINGS; Level Code Message SHOW SESSION VARIABLES; SHOW WARNINGS; Level Code Message SHOW VARIABLES LIKE 'gtid_executed'; Variable_name Value SHOW SESSION VARIABLES LIKE 'gtid_executed'; Variable_name Value SHOW VARIABLES LIKE 'gtid_%'; Variable_name Value gtid_executed_compression_period 1000 gtid_mode OFF gtid_next AUTOMATIC gtid_owned gtid_purged SHOW SESSION VARIABLES LIKE 'gtid_%'; Variable_name Value gtid_executed_compression_period 1000 gtid_mode OFF gtid_next AUTOMATIC gtid_owned gtid_purged SELECT * FROM performance_schema.session_variables WHERE VARIABLE_NAME LIKE 'xyz'; VARIABLE_NAME VARIABLE_VALUE SHOW VARIABLES LIKE 'xyz'; Variable_name Value SHOW SESSION VARIABLES LIKE 'xyz'; Variable_name Value SET GLOBAL SHOW_COMPATIBILITY_56= @start_show_compatibility_56; set @@global.gtid_executed = ''; ERROR HY000: Variable 'gtid_executed' is a read only variable set @@session.gtid_executed = ''; ERROR HY000: Variable 'gtid_executed' is a read only variable