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On Mac OS X or Windows, sending a SIGHUP to the server or a asynchronous flush (triggered by flush_time), would cause the server to crash. The problem was that a hook used to detach client API handles wasn't prepared to handle cases where the thread does not have a associated session. The solution is to verify whether the thread has a associated session before trying to detach a handle. mysql-test/r/federated_debug.result: Add test case result for Bug#47525 mysql-test/t/federated_debug-master.opt: Debug point. mysql-test/t/federated_debug.test: Add test case for Bug#47525 sql/slave.cc: Check whether a the thread has a associated session. sql/sql_parse.cc: Add debug code to simulate a reload without thread session.
37 lines
880 B
Text
37 lines
880 B
Text
stop slave;
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drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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reset master;
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reset slave;
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drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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start slave;
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stop slave;
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DROP DATABASE IF EXISTS federated;
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CREATE DATABASE federated;
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DROP DATABASE IF EXISTS federated;
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CREATE DATABASE federated;
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#
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# Bug#47525: MySQL crashed (Federated)
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#
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# Switch to slave
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CREATE TABLE t1(a INT);
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INSERT INTO t1 VALUES (1);
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# Switch to master
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CREATE TABLE t1(a INT) ENGINE=FEDERATED
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CONNECTION='mysql://root@127.0.0.1:SLAVE_PORT/test/t1';
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SELECT * FROM t1;
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a
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1
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# Start a asynchronous reload
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# Wait for tables to be closed
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# Ensure that the server didn't crash
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SELECT * FROM t1;
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a
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1
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# Drop tables on master and slave
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DROP TABLE t1;
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DROP TABLE t1;
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# Federated cleanup
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DROP TABLE IF EXISTS federated.t1;
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DROP DATABASE IF EXISTS federated;
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DROP TABLE IF EXISTS federated.t1;
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DROP DATABASE IF EXISTS federated;
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