diff options
Diffstat (limited to 'storage/heap/hp_rfirst.c')
| -rw-r--r-- | storage/heap/hp_rfirst.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/storage/heap/hp_rfirst.c b/storage/heap/hp_rfirst.c index 48c1e625bd8..d0d2ec9b506 100644 --- a/storage/heap/hp_rfirst.c +++ b/storage/heap/hp_rfirst.c @@ -35,6 +35,17 @@ int heap_rfirst(HP_INFO *info, uchar *record, int inx) sizeof(uchar*)); info->current_ptr = pos; memcpy(record, pos, (size_t)share->reclength); + /* + If we're performing index_first on a table that was taken from + table cache, info->lastkey_len is initialized to previous query. + Thus we set info->lastkey_len to proper value for subsequent + heap_rnext() calls. + This is needed for DELETE queries only, otherwise this variable is + not used. + Note that the same workaround may be needed for heap_rlast(), but + for now heap_rlast() is never used for DELETE queries. + */ + info->lastkey_len= 0; info->update = HA_STATE_AKTIV; } else |