diff options
| -rw-r--r-- | storage/innobase/include/rem0rec.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/storage/innobase/include/rem0rec.h b/storage/innobase/include/rem0rec.h index 2a522ae4837..acf8896b225 100644 --- a/storage/innobase/include/rem0rec.h +++ b/storage/innobase/include/rem0rec.h @@ -829,7 +829,11 @@ rec_get_nth_cfield( ulint n, ulint* len) { - ut_ad(rec_offs_validate(rec, index, offsets)); + /* Because this function may be invoked by innobase_rec_to_mysql() + for reporting a duplicate key during ALTER TABLE or + CREATE UNIQUE INDEX, and in that case the rec omit the fixed-size + header of 5 or 6 bytes, the check + rec_offs_validate(rec, index, offsets) must be avoided here. */ if (!rec_offs_nth_default(offsets, n)) { return rec_get_nth_field(rec, offsets, n, len); } |