diff options
Diffstat (limited to 'innobase/row/row0vers.c')
| -rw-r--r-- | innobase/row/row0vers.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/innobase/row/row0vers.c b/innobase/row/row0vers.c index 4dc65669247..5b62cd2b7e3 100644 --- a/innobase/row/row0vers.c +++ b/innobase/row/row0vers.c @@ -269,7 +269,13 @@ row_vers_old_has_index_entry( row = row_build(ROW_COPY_POINTERS, clust_index, rec, heap); entry = row_build_index_entry(row, index, heap); - if (dtuple_datas_are_equal(ientry, entry)) { + /* NOTE that we cannot do the comparison as binary + fields because the row is maybe being modified so that + the clustered index record has already been updated + to a different binary value in a char field, but the + collation identifies the old and new value anyway! */ + + if (dtuple_datas_are_ordering_equal(ientry, entry)) { mem_heap_free(heap); @@ -307,7 +313,13 @@ row_vers_old_has_index_entry( prev_version, heap); entry = row_build_index_entry(row, index, heap); - if (dtuple_datas_are_equal(ientry, entry)) { + /* NOTE that we cannot do the comparison as binary + fields because maybe the secondary index record has + already been updated to a different binary value in + a char field, but the collation identifies the old + and new value anyway! */ + + if (dtuple_datas_are_ordering_equal(ientry, entry)) { mem_heap_free(heap); |