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-rw-r--r--storage/innobase/btr/btr0cur.cc27
1 files changed, 0 insertions, 27 deletions
diff --git a/storage/innobase/btr/btr0cur.cc b/storage/innobase/btr/btr0cur.cc
index 06094eb65b3..f8498fa1748 100644
--- a/storage/innobase/btr/btr0cur.cc
+++ b/storage/innobase/btr/btr0cur.cc
@@ -7109,33 +7109,6 @@ btr_store_big_rec_extern_fields(
/* Initialize the unused "prev page" pointer */
mlog_write_ulint(page + FIL_PAGE_PREV,
FIL_NULL, MLOG_4BYTES, &mtr);
- /* Write a back pointer to the record
- into the otherwise unused area. This
- information could be useful in
- debugging. Later, we might want to
- implement the possibility to relocate
- BLOB pages. Then, we would need to be
- able to adjust the BLOB pointer in the
- record. We do not store the heap
- number of the record, because it can
- change in page_zip_reorganize() or
- btr_page_reorganize(). However, also
- the page number of the record may
- change when B-tree nodes are split or
- merged.
- NOTE: FIL_PAGE_FILE_FLUSH_LSN space is
- used by R-tree index for a Split Sequence
- Number */
- ut_ad(!dict_index_is_spatial(index));
-
- mlog_write_ulint(page
- + FIL_PAGE_FILE_FLUSH_LSN_OR_KEY_VERSION,
- space_id,
- MLOG_4BYTES, &mtr);
- mlog_write_ulint(page
- + FIL_PAGE_FILE_FLUSH_LSN_OR_KEY_VERSION + 4,
- rec_page_no,
- MLOG_4BYTES, &mtr);
/* Zero out the unused part of the page. */
memset(page + page_zip_get_size(page_zip)