49 lines
1.9 KiB
Plaintext
49 lines
1.9 KiB
Plaintext
include/master-slave.inc
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Warnings:
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Note #### Sending passwords in plain text without SSL/TLS is extremely insecure.
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Note #### Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.
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[connection master]
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connection slave
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SET @start_max_connections= @@global.max_connections;
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SET @start_init_slave= @@global.init_slave;
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SET NAMES utf8;
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Warnings:
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Warning 3719 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
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SET @@global.init_slave = 'SET @@global.max_connections = @@global.max_connections + 1 -- комментарий';
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DROP TABLE IF EXISTS t1;
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CREATE TEMPORARY TABLE t1 AS SELECT @@global.init_slave AS my_column;
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DESCRIBE t1;
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Field Type Null Key Default Extra
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my_column varchar(74) YES NULL NULL
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select length(my_column) from t1;
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length(my_column)
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85
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DROP TABLE t1;
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SELECT @@global.init_slave = 'SET @@global.max_connections = @@global.max_connections + 1 -- комментарий';
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@@global.init_slave = 'SET @@global.max_connections = @@global.max_connections + 1 -- комментарий'
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1
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Expect 1
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include/assert.inc [@@global.max_connections = @start_max_connections]
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STOP SLAVE;
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RESET MASTER;
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RESET SLAVE;
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START SLAVE;
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include/wait_for_slave_to_start.inc
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include/assert.inc [@@global.max_connections = @start_max_connections + 1]
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SET @@global.init_slave = "SET @a=5";
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STOP SLAVE;
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RESET MASTER;
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RESET SLAVE;
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START SLAVE;
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include/wait_for_slave_to_start.inc
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SHOW VARIABLES LIKE 'init_slave';
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Variable_name Value
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init_slave SET @a=5
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SELECT @a;
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@a
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NULL
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Expect NULL
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SET @@global.max_connections= @start_max_connections;
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SET @@global.init_slave= @start_init_slave;
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include/rpl_end.inc
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