diff options
Diffstat (limited to 'innobase/include/btr0cur.h')
| -rw-r--r-- | innobase/include/btr0cur.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/innobase/include/btr0cur.h b/innobase/include/btr0cur.h index 7039ceba245..1d17c0e952d 100644 --- a/innobase/include/btr0cur.h +++ b/innobase/include/btr0cur.h @@ -507,7 +507,13 @@ void btr_free_externally_stored_field( /*=============================*/ dict_index_t* index, /* in: index of the data, the index - tree MUST be X-latched */ + tree MUST be X-latched; if the tree + height is 1, then also the root page + must be X-latched! (this is relevant + in the case this function is called + from purge where 'data' is located on + an undo log page, not an index + page) */ byte* data, /* in: internally stored data + reference to the externally stored part */ |