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Bug#11733 (COMMITs should not happen if read-only is set) Bug#22009 (Can write to a read-only server under some circumstances) See the work log for details The change consist of a) acquiring the global read lock in SET GLOBAL READONLY b) honoring opt_readonly in ha_commit_trans(), c) honoring opt_readonly in mysql_lock_tables(). a) takes care of the server stability, b) makes the transactional tables safe (Bug 11733) c) makes the non transactional tables safe (Bug 22009)
18 lines
502 B
Text
18 lines
502 B
Text
DROP TABLE IF EXISTS table_11733 ;
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grant CREATE, SELECT, DROP on *.* to test@localhost;
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set global read_only=0;
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create table table_11733 (a int) engine=InnoDb;
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BEGIN;
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insert into table_11733 values(11733);
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set global read_only=1;
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select @@global.read_only;
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@@global.read_only
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1
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select * from table_11733 ;
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a
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11733
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COMMIT;
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ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
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set global read_only=0;
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drop table table_11733 ;
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drop user test@localhost;
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