48 lines
1.5 KiB
Plaintext
48 lines
1.5 KiB
Plaintext
SET @start_global_value = @@session.gtid_next;
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SELECT @start_global_value;
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@start_global_value
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AUTOMATIC
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select @@global.gtid_next;
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ERROR HY000: Variable 'gtid_next' is a SESSION variable
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select @@session.gtid_next;
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@@session.gtid_next
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AUTOMATIC
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show global variables like 'gtid_next';
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Variable_name Value
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show session variables like 'gtid_next';
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Variable_name Value
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gtid_next AUTOMATIC
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select * from performance_schema.global_variables where variable_name='gtid_next';
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VARIABLE_NAME VARIABLE_VALUE
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select * from performance_schema.session_variables where variable_name='gtid_next';
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VARIABLE_NAME VARIABLE_VALUE
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gtid_next AUTOMATIC
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set global gtid_next = 1;
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ERROR HY000: Variable 'gtid_next' is a SESSION variable and can't be used with SET GLOBAL
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set session gtid_next = "ANONYMOUS";
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select @@session.gtid_next;
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@@session.gtid_next
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ANONYMOUS
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ROLLBACK;
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set session gtid_next=default;
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select @@session.gtid_next;
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@@session.gtid_next
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AUTOMATIC
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ROLLBACK;
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set session gtid_next=NULL;
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ERROR 42000: Variable 'gtid_next' can't be set to the value of 'NULL'
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select @@session.gtid_next;
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@@session.gtid_next
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AUTOMATIC
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SET @@SESSION.GTID_NEXT = 'ANONYMOUS';
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SET @@SESSION.GTID_NEXT = default;
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ERROR HY000: @@SESSION.GTID_NEXT cannot be changed by a client that owns a GTID. The client owns ANONYMOUS. Ownership is released on COMMIT or ROLLBACK.
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SELECT @@SESSION.GTID_NEXT;
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@@SESSION.GTID_NEXT
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ANONYMOUS
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ROLLBACK;
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set session gtid_next = @start_global_value;
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select @@session.gtid_next;
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@@session.gtid_next
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AUTOMATIC
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