go-sqlite3/example/main.go

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package main
import (
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"database/sql"
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"fmt"
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_ "github.com/mattn/go-sqlite3"
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"os"
)
func main() {
os.Remove("./foo.db")
db, err := sql.Open("sqlite3", "./foo.db")
if err != nil {
fmt.Println(err)
return
}
defer db.Close()
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sqls := []string{
"create table foo (id integer not null primary key, name text)",
"delete from foo",
}
for _, sql := range sqls {
_, err = db.Exec(sql)
if err != nil {
fmt.Printf("%q: %s\n", err, sql)
return
}
}
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tx, err := db.Begin()
if err != nil {
fmt.Println(err)
return
}
stmt, err := tx.Prepare("insert into foo(id, name) values(?, ?)")
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if err != nil {
fmt.Println(err)
return
}
defer stmt.Close()
for i := 0; i < 100; i++ {
_, err = stmt.Exec(i, fmt.Sprintf("こんにちわ世界%03d", i))
if err != nil {
fmt.Println(err)
return
}
}
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tx.Commit()
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rows, err := db.Query("select id, name from foo")
if err != nil {
fmt.Println(err)
return
}
defer rows.Close()
for rows.Next() {
var id int
var name string
rows.Scan(&id, &name)
println(id, name)
}
rows.Close()
stmt, err = db.Prepare("select name from foo where id = ?")
if err != nil {
fmt.Println(err)
return
}
defer stmt.Close()
var name string
err = stmt.QueryRow("3").Scan(&name)
if err != nil {
fmt.Println(err)
return
}
println(name)
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}