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c20453ba9a
regarded as unsigned longlongss, not as floats. This make these values work similar to values between 10000000000000000000 and 18446744073709551615.
70 lines
2.6 KiB
Plaintext
70 lines
2.6 KiB
Plaintext
select 0,256,00000000000000065536,2147483647,-2147483648,2147483648,+4294967296;
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0 256 00000000000000065536 2147483647 -2147483648 2147483648 +4294967296
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0 256 65536 2147483647 -2147483648 2147483648 4294967296
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select 9223372036854775807,-009223372036854775808;
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9223372036854775807 -009223372036854775808
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9223372036854775807 -9223372036854775808
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select +9999999999999999999,-9999999999999999999;
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+9999999999999999999 -9999999999999999999
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9999999999999999999 -10000000000000000000
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select cast(9223372036854775808 as unsigned)+1;
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cast(9223372036854775808 as unsigned)+1
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9223372036854775809
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select 9223372036854775808+1;
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9223372036854775808+1
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9223372036854775809
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drop table if exists t1;
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create table t1 (a bigint unsigned not null, primary key(a));
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insert into t1 values (18446744073709551615), (0xFFFFFFFFFFFFFFFE);
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select * from t1;
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a
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18446744073709551614
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18446744073709551615
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select * from t1 where a=18446744073709551615;
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a
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18446744073709551615
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delete from t1 where a=18446744073709551615;
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select * from t1;
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a
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18446744073709551614
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drop table t1;
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create table t1 ( a int not null default 1, big bigint );
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insert into t1 (big) values (-1),(12345678901234567),(9223372036854775807),(18446744073709551615);
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select min(big),max(big),max(big)-1 from t1;
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min(big) max(big) max(big)-1
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-1 9223372036854775807 9223372036854775806
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select min(big),max(big),max(big)-1 from t1 group by a;
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min(big) max(big) max(big)-1
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-1 9223372036854775807 9223372036854775806
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alter table t1 modify big bigint unsigned not null;
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select min(big),max(big),max(big)-1 from t1;
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min(big) max(big) max(big)-1
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12345678901234567 18446744073709551615 18446744073709551614
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select min(big),max(big),max(big)-1 from t1 group by a;
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min(big) max(big) max(big)-1
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12345678901234567 18446744073709551615 18446744073709551614
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alter table t1 add key (big);
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select min(big),max(big),max(big)-1 from t1;
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min(big) max(big) max(big)-1
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12345678901234567 18446744073709551615 18446744073709551614
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select min(big),max(big),max(big)-1 from t1 group by a;
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min(big) max(big) max(big)-1
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12345678901234567 18446744073709551615 18446744073709551614
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alter table t1 modify big bigint not null;
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select min(big),max(big),max(big)-1 from t1;
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min(big) max(big) max(big)-1
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-1 9223372036854775807 9223372036854775806
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select min(big),max(big),max(big)-1 from t1 group by a;
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min(big) max(big) max(big)-1
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-1 9223372036854775807 9223372036854775806
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drop table t1;
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create table t1 (id bigint auto_increment primary key, a int) auto_increment=9999999999;
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insert into t1 values (null,1);
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select * from t1;
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id a
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9999999999 1
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select * from t1 limit 9999999999;
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id a
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9999999999 1
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drop table t1;
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