在此列出 ORM 推荐的对应数据库类型，自动建表功能也会以此为标准。默认所有的字段都是 NOT NULL

MySQL

gomysql

int,int32-设置auto或者名称为Idinteger AUTO_INCREMENT

int64-设置auto或者名称为Idbigint AUTO_INCREMENT

uint,uint32 -设置auto或者名称为Idinteger unsigned AUTO_INCREMENT

uint64 -设置auto或者名称为Idbigint unsigned AUTO_INCREMENT

boolbool

string -默认为size 255varchar(size)

string -设置type(text) longtext

time.Time-设置type为datedate

time.Timedatetime

bytetinyint unsigned

runeinteger

intinteger

int8tinyint

int16smallint

int32integer

int64bigint

uintinteger unsigned

uint8tinyint unsigned

uint16smallint unsigned

uint32integer unsigned

uint64bigint unsigned

float32double precision

float64double precision

float64-设置digits, decimals numeric(digits,decimals)

Sqlite3

gosqlite3

int,int32,int64,uint,uint32,uint64 -设置auto或者名称为Idinteger AUTOINCREMENT

boolbool

string -默认为size 255varchar(size)

string -设置type(text)text

time.Time -设置type为datedate

time.Timedatetime

bytetinyint unsigned

runeinteger

intinteger

int8tinyint

int16smallint

int32integer

int64bigint

uintinteger unsigned

uint8tinyint unsigned

uint16smallint unsigned

uint32integer unsigned

uint64bigint unsigned

float32real

float64real

float64 -设置digits,decimalsdecimal

PostgreSQL

gopostgres

int,int32,int64,uint,uint32,uint64 -设置auto或者名称为Idserial

boolbool

string -默认为size 255varchar(size)

string -设置type(text) text

time.Time -设置type为datedate

time.Timetimestamp with time zone

bytesmallint CHECK(“column”>= 0 AND“column”<= 255)

runeinteger

intinteger

int8smallint CHECK(“column”>= -127 AND“column”<= 128)

int16smallint

int32integer

int64bigint

uintbigint CHECK(“column”>= 0)

uint8smallint CHECK(“column”>= 0 AND“column”<= 255)

uint16integer CHECK(“column”>= 0)

uint32bigint CHECK(“column”>= 0)

uint64bigint CHECK(“column”>= 0)

float32double precision

float64double precision

float64 -设置digits,decimalsnumeric(digits,decimals)

关系型字段

其字段类型取决于对应的主键。

RelForeignKey

RelOneToOne

RelManyToMany

RelReverseOne

RelReverseMany