Merge pull request #408 from cschleiden/sqlite-params

Update sqlite DSN

Author: cschleiden

backend/sqlite/sqlite.go

@@ -53,7 +53,7 @@ func NewInMemoryBackend(opts ...option) *sqliteBackend {
 }
 
 func NewSqliteBackend(path string, opts ...option) *sqliteBackend {
-	return newSqliteBackend(fmt.Sprintf("file:%v?_mutex=no&_journal=wal", path), opts...)
+	return newSqliteBackend(fmt.Sprintf("file:%v", path), opts...)
 }
 
 func newSqliteBackend(dsn string, opts ...option) *sqliteBackend {
@@ -71,6 +71,15 @@ func newSqliteBackend(dsn string, opts ...option) *sqliteBackend {
 		panic(err)
 	}
 
+	// Set WAL mode via PRAGMA
+	if _, err := db.Exec("PRAGMA journal_mode=WAL;"); err != nil {
+		panic(err)
+	}
+
+	if _, err = db.Exec("PRAGMA busy_timeout = 5000;"); err != nil {
+		panic(err)
+	}
+
 	// SQLite does not support multiple writers on the database, see https://www.sqlite.org/faq.html#q5
 	// A frequently used workaround is to have a single connection, effectively acting as a mutex
 	// See https://github.com/mattn/go-sqlite3/issues/274 for more context