fix

Author: asmyasnikov

internal/bind/params.go

@@ -316,8 +316,8 @@ func toValue(v any) (_ value.Value, err error) {
 				kk, has := v.Type().Field(i).Tag.Lookup("sql")
 				if !has {
 					return nil, xerrors.WithStackTrace(
-						fmt.Errorf("cannot parse %q as key field of struct: %w",
-							v.Type().Field(i).Name, errUnsupportedType,
+						fmt.Errorf("cannot parse %q as key field of struct %T: %w",
+							v.Type().Field(i).Name, x, errUnsupportedType,
 						),
 					)
 				}
@@ -357,26 +357,16 @@ func supportNewTypeLink(x any) string {
 }
 
 func toYdbParam(name string, value any) (*params.Parameter, error) {
-	switch tv := value.(type) {
-	case driver.NamedValue:
-		n, v := tv.Name, tv.Value
+	if nv, has := value.(driver.NamedValue); has {
+		n, v := nv.Name, nv.Value
 		if n != "" {
 			name = n
 		}
-		if p, has := tv.Value.(*params.Parameter); has {
-			return p, nil
-		}
 		value = v
-	case *params.Parameter:
-		return tv, nil
-	case *params.Params:
-		if len(*tv) > 1 {
-			return nil, xerrors.WithStackTrace(
-				fmt.Errorf("unexpected params.Params length: %d", len(*tv)),
-			)
-		}
+	}
 
-		return (*tv)[0], nil
+	if nv, ok := value.(params.NamedValue); ok {
+		return params.Named(nv.Name(), nv.Value()), nil
 	}
 
 	v, err := toValue(value)