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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
select 1,11,101,1001,10001,100001,1000001,10000001,100000001,1000000001,10000000001,100000000001,1000000000001,10000000000001,100000000000001,1000000000000001,10000000000000001,100000000000000001,1000000000000000001,10000000000000000001;
1 11 101 1001 10001 100001 1000001 10000001 100000001 1000000001 10000000001 100000000001 1000000000001 10000000000001 100000000000001 1000000000000001 10000000000000001 100000000000000001 1000000000000000001 10000000000000000001
1 11 101 1001 10001 100001 1000001 10000001 100000001 1000000001 10000000001 100000000001 1000000000001 10000000000001 100000000000001 1000000000000001 10000000000000001 100000000000000001 1000000000000000001 10000000000000000001
select -1,-11,-101,-1001,-10001,-100001,-1000001,-10000001,-100000001,-1000000001,-10000000001,-100000000001,-1000000000001,-10000000000001,-100000000000001,-1000000000000001,-10000000000000001,-100000000000000001,-1000000000000000001,-10000000000000000001;
-1 -11 -101 -1001 -10001 -100001 -1000001 -10000001 -100000001 -1000000001 -10000000001 -100000000001 -1000000000001 -10000000000001 -100000000000001 -1000000000000001 -10000000000000001 -100000000000000001 -1000000000000000001 -10000000000000000001
-1 -11 -101 -1001 -10001 -100001 -1000001 -10000001 -100000001 -1000000001 -10000000001 -100000000001 -1000000000001 -10000000000001 -100000000000001 -1000000000000001 -10000000000000001 -100000000000000001 -1000000000000000001 -10000000000000000000
select conv(1,10,16),conv((1<<2)-1,10,16),conv((1<<10)-2,10,16),conv((1<<16)-3,10,16),conv((1<<25)-4,10,16),conv((1<<31)-5,10,16),conv((1<<36)-6,10,16),conv((1<<47)-7,10,16),conv((1<<48)-8,10,16),conv((1<<55)-9,10,16),conv((1<<56)-10,10,16),conv((1<<63)-11,10,16);
conv(1,10,16) conv((1<<2)-1,10,16) conv((1<<10)-2,10,16) conv((1<<16)-3,10,16) conv((1<<25)-4,10,16) conv((1<<31)-5,10,16) conv((1<<36)-6,10,16) conv((1<<47)-7,10,16) conv((1<<48)-8,10,16) conv((1<<55)-9,10,16) conv((1<<56)-10,10,16) conv((1<<63)-11,10,16)
1 3 3FE FFFD 1FFFFFC 7FFFFFFB FFFFFFFFA 7FFFFFFFFFF9 FFFFFFFFFFF8 7FFFFFFFFFFFF7 FFFFFFFFFFFFF6 7FFFFFFFFFFFFFF5
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
create table t1 (
value64 bigint unsigned not null,
value32 integer not null,
primary key(value64, value32)
);
create table t2 (
value64 bigint unsigned not null,
value32 integer not null,
primary key(value64, value32)
);
insert into t1 values(17156792991891826145, 1);
insert into t1 values( 9223372036854775807, 2);
insert into t2 values(17156792991891826145, 3);
insert into t2 values( 9223372036854775807, 4);
select * from t1;
value64 value32
9223372036854775807 2
17156792991891826145 1
select * from t2;
value64 value32
9223372036854775807 4
17156792991891826145 3
select * from t1, t2 where t1.value64=17156792991891826145 and
t2.value64=17156792991891826145;
value64 value32 value64 value32
17156792991891826145 1 17156792991891826145 3
select * from t1, t2 where t1.value64=17156792991891826145 and
t2.value64=t1.value64;
value64 value32 value64 value32
17156792991891826145 1 17156792991891826145 3
select * from t1, t2 where t1.value64= 9223372036854775807 and
t2.value64=9223372036854775807;
value64 value32 value64 value32
9223372036854775807 2 9223372036854775807 4
select * from t1, t2 where t1.value64= 9223372036854775807 and
t2.value64=t1.value64;
value64 value32 value64 value32
9223372036854775807 2 9223372036854775807 4
drop table t1, t2;
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