278
278
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
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279
create table t2 (a int, filler1 char(200), filler2 char(200), key(a));
280
insert into t2 select A.a + 10*B.a, 'filler','filler' from t1 A, t1 B;
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282
update t2 set a=3 where a=2;
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283
show status like 'handler_read%';