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37
insert into t1 (big) values (-1),(9223372036854775808),(9223372036854775807),(9223372036854775808);
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39
select min(big),max(big),max(big)-1 from t1;
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40
select min(big),max(big),max(big)-1 from t1 group by a;
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41
alter table t1 modify big bigint not null;
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42
select min(big),max(big),max(big)-1 from t1;
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43
select min(big),max(big),max(big)-1 from t1 group by a;
49
44
insert into t1 (big) values (9223372036854775808);
51
46
select min(big),max(big),max(big)-1 from t1;