example_test.go

package sqlite3_test

import (
	"fmt"
	"log"

	"github.com/ncruces/go-sqlite3"
	_ "github.com/ncruces/go-sqlite3/embed"
)

const memory = ":memory:"

func Example() {
	db, err := sqlite3.Open(memory)
	if err != nil {
		log.Fatal(err)
	}

	err = db.Exec(`CREATE TABLE users (id INT, name VARCHAR(10))`)
	if err != nil {
		log.Fatal(err)
	}

	err = db.Exec(`INSERT INTO users (id, name) VALUES (0, 'go'), (1, 'zig'), (2, 'whatever')`)
	if err != nil {
		log.Fatal(err)
	}

	stmt, _, err := db.Prepare(`SELECT id, name FROM users`)
	if err != nil {
		log.Fatal(err)
	}
	defer stmt.Close()

	for stmt.Step() {
		fmt.Println(stmt.ColumnInt(0), stmt.ColumnText(1))
	}
	if err := stmt.Err(); err != nil {
		log.Fatal(err)
	}

	err = stmt.Close()
	if err != nil {
		log.Fatal(err)
	}

	err = db.Close()
	if err != nil {
		log.Fatal(err)
	}
	// Output:
	// 0 go
	// 1 zig
	// 2 whatever
}