Merge pull request #595 from namore/add_warning_foreach_keys

Update README.md
2016-09-13 10:53:39 -06:00 · 2016-09-13 10:53:39 -06:00 · fff57c100f
parent 9dffd9de3b 1e271f5035
commit fff57c100f
1 changed files with 4 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -448,6 +448,10 @@ db.View(func(tx *bolt.Tx) error {
 })
 ```

+Please note that keys and values in `ForEach()` are only valid while
+the transaction is open. If you need to use a key or value outside of
+the transaction, you must use `copy()` to copy it to another byte
+slice.

 ### Nested buckets