// CREATE TABLE people (id SERIAL PRIMARY KEY, name TEXT, age INT);
// CREATE TABLE friends (id SERIAL, person_a_id INT REFERENCES people(id), person_b_id INT REFERENCES people(id));
// INSERT INTO people (id, name, age) VALUES (1, 'bob', 24);
// INSERT INTO people (id, name, age) VALUES (2, 'jim', 28);
// INSERT INTO friends (person_a_id, person_b_id) VALUES (1, 2);
package main
import (
"context"
"fmt"
"github.com/jackc/pgx/v5"
"github.com/linden/orm"
)
type Person struct {
ID int `orm:"id"`
Name string `orm:"name"`
}
type Friend struct {
ID int `orm:"id"`
PersonA Person `orm_foreign:"people,id,person_a_id"`
PersonB Person `orm_foreign:"people,id,person_b_id"`
}
func main() {
connection, err := pgx.Connect(context.TODO(), "postgres://postgres:postgres@localhost:5432/postgres")
if err != nil {
panic(err)
}
defer connection.Close(context.TODO())
var person Person
err = orm.ScanRow(context.TODO(), connection, &person, "people", "WHERE age = $1", 24)
if err != nil {
panic(err)
}
fmt.Printf("person: %+v\n", person)
var people []Person
err = orm.Scan(context.TODO(), connection, &people, "people")
if err != nil {
panic(err)
}
fmt.Printf("people: %+v\n", people)
var friend Friend
err = orm.ScanRow(context.TODO(), connection, &friend, "friends")
if err != nil {
panic(err)
}
fmt.Printf("friend: %+v\n", friend)
}