diff options
Diffstat (limited to 'storage/innobase/row/row0upd.cc')
| -rw-r--r-- | storage/innobase/row/row0upd.cc | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/storage/innobase/row/row0upd.cc b/storage/innobase/row/row0upd.cc index bec53841..a39574d2 100644 --- a/storage/innobase/row/row0upd.cc +++ b/storage/innobase/row/row0upd.cc @@ -2158,6 +2158,25 @@ row_upd_clust_rec_by_insert_inherit_func( return(inherit); } +/** Mark 'disowned' BLOBs as 'owned' and 'inherited' again, +after resuming from a lock wait. +@param entry clustered index entry */ +static ATTRIBUTE_COLD void row_upd_reown_inherited_fields(dtuple_t *entry) +{ + for (ulint i= 0; i < entry->n_fields; i++) + { + const dfield_t *dfield= dtuple_get_nth_field(entry, i); + if (dfield_is_ext(dfield)) + { + byte *blob_len= static_cast<byte*>(dfield->data) + + dfield->len - (BTR_EXTERN_FIELD_REF_SIZE - BTR_EXTERN_LEN); + ut_ad(*blob_len & BTR_EXTERN_OWNER_FLAG); + *blob_len= byte((*blob_len & ~BTR_EXTERN_OWNER_FLAG) | + BTR_EXTERN_INHERITED_FLAG); + } + } +} + /***********************************************************//** Marks the clustered index record deleted and inserts the updated version of the record to the index. This function should be used when the ordering @@ -2236,12 +2255,16 @@ row_upd_clust_rec_by_insert( /* If the clustered index record is already delete marked, then we are here after a DB_LOCK_WAIT. Skip delete marking clustered index and disowning - its blobs. */ + its blobs. Mark the BLOBs in the index entry + (which we copied from the already "disowned" rec) + as "owned", like it was on the previous call of + row_upd_clust_rec_by_insert(). */ ut_ad(row_get_rec_trx_id(rec, index, offsets) == trx->id); ut_ad(!trx_undo_roll_ptr_is_insert( row_get_rec_roll_ptr(rec, index, offsets))); + row_upd_reown_inherited_fields(entry); goto check_fk; } |