use generated interface

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

driver.go

@@ -6,11 +6,34 @@ import (
 	"time"
 )
 
+var (
+// _ driver.DriverContext = (*wrapperDriver)(nil)
+// _ driver.Connector     = (*wrapperDriver)(nil)
+)
+
+type conn interface {
+	driver.Pinger
+	driver.Execer
+	driver.ExecerContext
+	driver.Queryer
+	driver.QueryerContext
+	driver.Conn
+	driver.ConnPrepareContext
+	driver.ConnBeginTx
+}
+
 // wrapperDriver defines a wrapper for driver.Driver
 type wrapperDriver struct {
+	driver    driver.Driver
+	connector driver.Connector
+	opts      Options
+	ctx       context.Context
+}
+
+type wrapperConnector struct {
 	driver driver.Driver
+	name   string
 	opts   Options
-	ctx    context.Context
 }
 
 // NewWrapper creates and returns a new SQL driver with passed capabilities
@@ -18,8 +41,38 @@ func NewWrapper(d driver.Driver, opts ...Option) driver.Driver {
 	return &wrapperDriver{driver: d, opts: NewOptions(opts...), ctx: context.Background()}
 }
 
+/*
+// Connect implements driver.Driver Connect
+func (w *wrapperConnector) Connect(ctx context.Context) (driver.Conn, error) {
+	return w.driver.Connect(ctx)
+}
+
+// Driver implements driver.Driver Driver
+func (w *wrapperConnector) Driver() driver.Driver {
+	return w.driver
+}
+*/
+
+/*
+// Connect implements driver.Driver OpenConnector
+func (w *wrapperDriver) OpenConnector(name string) (driver.Conn, error) {
+	return &wrapperConnector{driver: w.driver, name: name, opts: w.opts}, nil
+}
+*/
+
 // Open implements driver.Driver Open
 func (w *wrapperDriver) Open(name string) (driver.Conn, error) {
+	// ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) // Ensure eventual timeout
+	// defer cancel()
+
+	/*
+		connector, err := w.OpenConnector(name)
+		if err != nil {
+			return nil, err
+		}
+		return connector.Connect(ctx)
+	*/
+
 	ts := time.Now()
 	c, err := w.driver.Open(name)
 	td := time.Since(ts)
@@ -27,10 +80,9 @@ func (w *wrapperDriver) Open(name string) (driver.Conn, error) {
 	if w.opts.LoggerEnabled {
 		w.opts.Logger.Fields(w.opts.LoggerObserver(w.ctx, "Open", labelUnknown, td, err)...).Log(w.ctx, w.opts.LoggerLevel)
 	}
-
 	if err != nil {
 		return nil, err
 	}
 
-	return &wrapperConn{d: w, dname: name, conn: c, opts: w.opts, ctx: w.ctx}, nil
+	return wrapConn(c, w.opts), nil
 }