xorm速记卡 Quick Reference

links

• github: https://github.com/go-xorm/xorm

• godoc: http://godoc.org/github.com/go-xorm/xorm

• gowalker: https://gowalker.org/github.com/go-xorm/xorm

• quickstart: https://github.com/lunny/xorm/blob/master/docs/QuickStartEn.md

  install

  go get -v github.com/go-xorm/xorm

usage

x, err := xorm.NewEngine(“mysql”, “root:123@/test?charset=utf8”)
defer x.Close()

driver and source

mysql github.com/go-sql-driver/mysql

[username[:password]@][protocol[(address)]]/dbname[?param1=value1&...&paramN=valueN]

mymysql github.com/ziutek/mymysql/godrv

usage todo.

postgresql github.com/lib/pq

1. postgres://username:password@address/dbname?sslmode=verify-full
2. user=pqgotest dbname=pqgotest sslmode=verify-full

column types

ref: https://github.com/lunny/xorm/blob/master/docs/COLUMNTYPE.md

• pk # primary key
• autoincr
• [not ]null
• unique or unique(uniquename)
• index or index(indexname)
• extends
• `- # ignore this field
• created # This field will be filled in current time on insert
• version # This field will be filled 1 on insert and autoincrement on update
• default 0 # default value, need quoted if it is a string

common func and CRUD funcs

// create user table
err := engine.Sync(new(User))

INSERT (Create) more

user := new(User)
user.Name = "myname"
affected, err := x.Insert(user)

Query (Retrieve) more

err = x.Cols("age", "name").Limit(10).Find(&users)

Update (Update) more