database/sql: permit scanning into interface{}
See thread http://goo.gl/7zzzU for background.
R=rsc
CC=golang-dev
https://golang.org/cl/5624051
diff --git a/src/pkg/database/sql/sql.go b/src/pkg/database/sql/sql.go
index 34a7652..436d495 100644
--- a/src/pkg/database/sql/sql.go
+++ b/src/pkg/database/sql/sql.go
@@ -880,6 +880,10 @@
// be modified and held indefinitely. The copy can be avoided by using
// an argument of type *RawBytes instead; see the documentation for
// RawBytes for restrictions on its use.
+//
+// If an argument has type *interface{}, Scan copies the value
+// provided by the underlying driver without conversion. If the value
+// is of type []byte, a copy is made and the caller owns the result.
func (rs *Rows) Scan(dest ...interface{}) error {
if rs.closed {
return errors.New("sql: Rows closed")
