Re: why UPDATE requires share lock(S) for table joined
Posted by:
Rick James
Date: November 13, 2014 09:58AM
Shared lock is weaker than Xclusive lock.
Let's see SHOW CREATE TABLE for each table.
And...
EXPLAIN
SELECT *
FROM t
inner join lktest on lktest.c3=t.x
where lktest.c3=2;
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