diff options
Diffstat (limited to 'src/third_party/wiredtiger/src/btree/bt_ret.c')
| -rw-r--r-- | src/third_party/wiredtiger/src/btree/bt_ret.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/third_party/wiredtiger/src/btree/bt_ret.c b/src/third_party/wiredtiger/src/btree/bt_ret.c index 3709c112c2b..6180c085ebf 100644 --- a/src/third_party/wiredtiger/src/btree/bt_ret.c +++ b/src/third_party/wiredtiger/src/btree/bt_ret.c @@ -39,15 +39,14 @@ __key_return(WT_CURSOR_BTREE *cbt) return (0); } + /* + * If there's an exact match, the row-store search function built the key we want to return + * in the cursor's temporary buffer. Swap the cursor's search-key and temporary buffers so + * we can return it (it's unsafe to return the temporary buffer itself because our caller + * might do another search in this table using the key we return, and we'd corrupt the + * search key during any subsequent search that used the temporary buffer). + */ if (cbt->compare == 0) { - /* - * If not in an insert list and there's an exact match, the row-store search function - * built the key we want to return in the cursor's temporary buffer. Swap the cursor's - * search-key and temporary buffers so we can return it (it's unsafe to return the - * temporary buffer itself because our caller might do another search in this table - * using the key we return, and we'd corrupt the search key during any subsequent search - * that used the temporary buffer). - */ tmp = cbt->row_key; cbt->row_key = cbt->tmp; cbt->tmp = tmp; |