README
¶
sqls
go sql utility
nonull
wrap type to a shadow type for skip NULL value from query result.
usage
func QueryNullable() {
type User struct {
Id int `nonull:"-"`
Name string
Age int
}
db := sqlx.MustOpen("sqlite3", ":memory:")
defer db.Close()
db.MustExec(`CREATE TABLE user (id int not null primary key, name varchar(10), age int)`)
db.MustExec(`insert into user (id, name, age) values (?, ?, ?)`, 1, "user1", 10)
db.MustExec(`insert into user (id, name) values (?, ?)`, 2, "user2")
var user User
err := db.Get(&user, `select * from user where id = ?`, 2)
fmt.Println("try get user 2", err)
err = db.Get(nonull.Wrap(&user), `select * from user where id = ?`, 2)
fmt.Println("get user 2", err, user)
var users []User
err = db.Select(nonull.Wrap(&users), `select * from user`, 2)
fmt.Println("get all users", err, users)
}
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