shad-go/lectures/07-sql/sqlx/structscan.go

package sqlx

import (
	"context"
	"log"

	"github.com/jmoiron/sqlx"
)

func Example(ctx context.Context, db *sqlx.DB) {
	rows, err := db.QueryContext(ctx, "SELECT id, name FROM users WHERE id = $1", 1)
	if err != nil {
		log.Fatal(err)
	}
	defer rows.Close()

	for rows.Next() {
		var value struct {
			ID   int    `db:"id"`
			Name string `db:"name"`
		}
		if err := sqlx.StructScan(rows, &value); err != nil {
			log.Fatal(err)
		}

		log.Println(value)
	}

	if err = rows.Err(); err != nil {
		log.Fatal(err)
	}
}