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package main | |
import ( | |
"errors" | |
"github.com/jmoiron/sqlx" | |
_ "github.com/mattn/go-sqlite3" | |
) | |
func main() { | |
db, err := sqlx.Open("sqlite3", "file:test.db") | |
if err != nil { | |
panic(err) | |
} | |
defer db.Close() | |
if err := dbWrite(db); err != nil { | |
panic(err) | |
} | |
} | |
func dbWrite(db *sqlx.DB) error { | |
tx, err := db.Beginx() | |
if err != nil { | |
return err | |
} | |
defer tx.Rollback() | |
// db.Exec でトランザクション (tx.Exec) を利用しない | |
_, err = db.Exec("INSERT INTO authors (name, url) VALUES (?, ?)", "tanaka", "https://tanaka.com") | |
if err != nil { | |
return err | |
} | |
// DB 操作の途中でエラー、ロールバックされることを期待する | |
if true { | |
return errors.New("error!") | |
} | |
// db.Exec でトランザクション (tx.Exec) を利用しない | |
_, err = db.Exec("INSERT INTO authors (name, url) VALUES (?, ?)", "toyoda", "https://toyota.com/") | |
if err != nil { | |
return err | |
} | |
return tx.Commit() | |
} |
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