drop table if exists t1;
select 0,256,00000000000000065536,2147483647,-2147483648,2147483648,+4294967296;
0	256	00000000000000065536	2147483647	-2147483648	2147483648	4294967296
0	256	65536	2147483647	-2147483648	2147483648	4294967296
select 9223372036854775807,-009223372036854775808;
9223372036854775807	-009223372036854775808
9223372036854775807	-9223372036854775808
select +9999999999999999999,-9999999999999999999;
9999999999999999999	-9999999999999999999
9999999999999999999	-10000000000000000000
select cast(9223372036854775808 as unsigned)+1;
cast(9223372036854775808 as unsigned)+1
9223372036854775809
select 9223372036854775808+1;
9223372036854775808+1
9223372036854775809
select -(0-3),round(-(0-3)), round(9999999999999999999);
-(0-3)	round(-(0-3))	round(9999999999999999999)
3	3	10000000000000000000
create table t1 (a bigint unsigned not null, primary key(a));
insert into t1 values (18446744073709551615), (0xFFFFFFFFFFFFFFFE), (18446744073709551613), (18446744073709551612);
select * from t1;
a
18446744073709551612
18446744073709551613
18446744073709551614
18446744073709551615
select * from t1 where a=18446744073709551615;
a
18446744073709551615
delete from t1 where a=18446744073709551615;
select * from t1;
a
18446744073709551612
18446744073709551613
18446744073709551614
drop table t1;
create table t1 ( a int not null default 1, big bigint );
insert into t1 (big) values (-1),(12345678901234567),(9223372036854775807),(18446744073709551615);
select min(big),max(big),max(big)-1 from t1;
min(big)	max(big)	max(big)-1
-1	9223372036854775807	9223372036854775806
select min(big),max(big),max(big)-1 from t1 group by a;
min(big)	max(big)	max(big)-1
-1	9223372036854775807	9223372036854775806
alter table t1 modify big bigint unsigned not null;
select min(big),max(big),max(big)-1 from t1;
min(big)	max(big)	max(big)-1
12345678901234567	18446744073709551615	18446744073709551614
select min(big),max(big),max(big)-1 from t1 group by a;
min(big)	max(big)	max(big)-1
12345678901234567	18446744073709551615	18446744073709551614
alter table t1 add key (big);
select min(big),max(big),max(big)-1 from t1;
min(big)	max(big)	max(big)-1
12345678901234567	18446744073709551615	18446744073709551614
select min(big),max(big),max(big)-1 from t1 group by a;
min(big)	max(big)	max(big)-1
12345678901234567	18446744073709551615	18446744073709551614
alter table t1 modify big bigint not null;
select min(big),max(big),max(big)-1 from t1;
min(big)	max(big)	max(big)-1
-1	9223372036854775807	9223372036854775806
select min(big),max(big),max(big)-1 from t1 group by a;
min(big)	max(big)	max(big)-1
-1	9223372036854775807	9223372036854775806
drop table t1;
create table t1 (id bigint auto_increment primary key, a int) auto_increment=9999999999;
insert into t1 values (null,1);
select * from t1;
id	a
9999999999	1
select * from t1 limit 9999999999;
id	a
9999999999	1
drop table t1;
CREATE TABLE t1 ( quantity decimal(60,0));
insert into t1 values (10000000000000000000);
insert into t1 values (10000000000000000000.0);
insert into t1 values ('10000000000000000000');
select * from t1;
quantity
-8446744073709551616
10000000000000000000
10000000000000000000
drop table t1;
SELECT '0x8000000000000001'+0;
'0x8000000000000001'+0
0