diff options
Diffstat (limited to 'storage/innobase/ibuf/ibuf0ibuf.c')
| -rw-r--r-- | storage/innobase/ibuf/ibuf0ibuf.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/storage/innobase/ibuf/ibuf0ibuf.c b/storage/innobase/ibuf/ibuf0ibuf.c index 1406b2de4e9..476d78e79ba 100644 --- a/storage/innobase/ibuf/ibuf0ibuf.c +++ b/storage/innobase/ibuf/ibuf0ibuf.c @@ -2009,7 +2009,15 @@ ibuf_get_merge_page_nos( } else { rec_page_no = ibuf_rec_get_page_no(rec); rec_space_id = ibuf_rec_get_space(rec); - ut_ad(rec_page_no > IBUF_TREE_ROOT_PAGE_NO); + /* In the system tablespace, the smallest + possible secondary index leaf page number is + bigger than IBUF_TREE_ROOT_PAGE_NO (4). In + other tablespaces, the clustered index tree is + created at page 3, which makes page 4 the + smallest possible secondary index leaf page + (and that only after DROP INDEX). */ + ut_ad(rec_page_no + > IBUF_TREE_ROOT_PAGE_NO - (rec_space_id != 0)); } #ifdef UNIV_IBUF_DEBUG |