摘要:sql standardsqlserverpostgresqlpostgresql aliases description bigint bigint bigint int8 signed eight-byte integer:有符号8字节整数 bigserial serial8 autoincrementing eight-byte integer:自增属性的 bigint bit binary bit [ (n) ] fixed-length bit string:定长位串 bit varying var...阅读全文 ...
int4|integer|bit|bittoint4 int4|integer|boolean|bool_int4 int4|integer|double precision|dtoi4 int4|integer|numeric|numeric_int4 int4|integer|real|ftoi4 int4|integer|smallint|i2toi4 (8rows) 所以int84就是我们要找的。你可以在utils/int8.h中找到它的定义,我们需要将它include到源代码中才能使...
SERIAL ✅ Autoincrementing integer, 4 bytes storage, 1 to 2147483647 range BIGSERIAL ✅ Large autoincrementing integer, 8 bytes storage, 1 to 9223372036854775807 range ROWID Custom type for emulating Oracle ROWID, signed 8 bit integer; 8 bytes storage; -9223372036854775808 to 9223372036854775807 ...
less than your OS' limit on file size. This is often 2 GB or 4GB in a 32-bit operating system, unless you have large file support enabled. By default, we make the limit 1 GB to avoid any possible integer-overflow problems within the OS. A limit smaller than necessary only means we ...
32-bit operating system, unless you have large file support enabled. By default, we make the limit 1 GB to avoid any possible integer-overflow problems within the OS. A limit smaller than necessary only means we divide a large relation into more chunks than necessary, so it seems best to...
一个8 字节双精度浮点数。 integer 有符号的 4 字节整数。 numeric or decimal 一种可选的精度,建议在精确性至关重要的情况下使用,如货币金额。 real 一个4 字节单精度浮点数。 smallint A signed 2 byte integer. smallserial An autoincrementing 2 byte integer. serial An autoincrementing 4 byte intege...
double precision, float, float8 number Infinity, -Infinity, and NaN are not supported and converted to null. Issue: #8902. hstore string inet string integer, int, int4 number interval string json string jsonb string line string lseg string macaddr string macaddr8 string money...
32-bit operating system, unless you have large file support enabled. By default, we make the limit 1 GB to avoid any possible integer-overflow problems within the OS. A limit smaller than necessary only means we divide a large relation into more chunks than necessary, so it seems best to...
varchar(50)[] (defines an array of a type)bitbooleanbyteacharacter varying(length) - varchar(length)character(length) - char(length)dateenum1double precision - float4 float8integer - int4bigint - int8numeric(length,precision)oidserial - serial4bigserial - serial8texttime without timezone ...
具体地说，之前使用 Postgres 的地方，现在改用 Schemaless，一种构建在 MySQL 之上的新型数据库分片层...