Kristian Nielsen 814880711f BUG#56442: Slave executes delayed statements when STOP SLAVE is issued ...

Problem:
When using the delayed slave feature, and the SQL thread is delaying,
and the user issues STOP SLAVE, the event we wait for was executed.
It should not be executed.
Fix:
Check the return value from the delay function,
slave.cc:slave_sleep(). If the return value is 1, it means the thread
has been stopped, in this case we don't execute the statement.

Also, refactored the test case for delayed slave a little: added the
test script include/rpl_assert.inc, which asserts that a condition holds
and prints a message if not. Made rpl_delayed_slave.test use this. The
advantage is that the test file is much easier to read and maintain,
because it is clear what is an assertion and what is not, and also the
expected result can be found in the test file, you don't have to compare
it to the result file.

Manually merged into MariaDB from MySQL commit
fd2b210383358fe7697f201e19ac9779879ba72a

Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>

2016-10-14 23:15:59 +02:00

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