Add new driver name 'sqlite3_with_extensions'

sqlite3.go

@@ -72,11 +72,13 @@ var SQLiteTimestampFormats = []string{
 }
 
 func init() {
-	sql.Register("sqlite3", &SQLiteDriver{})
+	sql.Register("sqlite3", &SQLiteDriver{false})
+	sql.Register("sqlite3_with_extensions", &SQLiteDriver{true})
 }
 
 // Driver struct.
 type SQLiteDriver struct {
+	enableLoadExtentions bool
 }
 
 // Conn struct.
@@ -176,6 +178,15 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
 		return nil, errors.New(C.GoString(C.sqlite3_errmsg(db)))
 	}
 
+	enableLoadExtentions := 0
+	if d.enableLoadExtentions {
+		enableLoadExtentions = 1
+	}
+	rv = C.sqlite3_enable_load_extension(db, C.int(enableLoadExtentions))
+	if rv != C.SQLITE_OK {
+		return nil, errors.New(C.GoString(C.sqlite3_errmsg(db)))
+	}
+
 	return &SQLiteConn{db}, nil
 }