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Diffstat (limited to 'heap/hp_update.c')
-rw-r--r--heap/hp_update.c46
1 files changed, 31 insertions, 15 deletions
diff --git a/heap/hp_update.c b/heap/hp_update.c
index 8cf3e4d4b8d..dd7374f506c 100644
--- a/heap/hp_update.c
+++ b/heap/hp_update.c
@@ -20,47 +20,63 @@
int heap_update(HP_INFO *info, const byte *old, const byte *heap_new)
{
- uint key;
+ HP_KEYDEF *keydef, *end, *p_lastinx;
byte *pos;
- HP_SHARE *share=info->s;
+ bool auto_key_changed= 0;
+ HP_SHARE *share= info->s;
DBUG_ENTER("heap_update");
test_active(info);
pos=info->current_ptr;
- if (info->opt_flag & READ_CHECK_USED && _hp_rectest(info,old))
+ if (info->opt_flag & READ_CHECK_USED && hp_rectest(info,old))
DBUG_RETURN(my_errno); /* Record changed */
if (--(share->records) < share->blength >> 1) share->blength>>= 1;
share->changed=1;
- for (key=0 ; key < share->keys ; key++)
+ p_lastinx= share->keydef + info->lastinx;
+ for (keydef= share->keydef, end= keydef + share->keys; keydef < end; keydef++)
{
- if (_hp_rec_key_cmp(share->keydef+key,old,heap_new))
+ if (hp_rec_key_cmp(keydef, old, heap_new))
{
- if (_hp_delete_key(info,share->keydef+key,old,pos,key ==
- (uint) info->lastinx) ||
- _hp_write_key(share,share->keydef+key,heap_new,pos))
- goto err;
+ if ((*keydef->delete_key)(info, keydef, old, pos, keydef == p_lastinx) ||
+ (*keydef->write_key)(info, keydef, heap_new, pos))
+ goto err;
+ if (share->auto_key == (uint) (keydef - share->keydef + 1))
+ auto_key_changed= 1;
}
}
memcpy(pos,heap_new,(size_t) share->reclength);
if (++(share->records) == share->blength) share->blength+= share->blength;
+ if (auto_key_changed)
+ heap_update_auto_increment(info, heap_new);
DBUG_RETURN(0);
err:
if (my_errno == HA_ERR_FOUND_DUPP_KEY)
{
- info->errkey=key;
- do
+ info->errkey = keydef - share->keydef;
+ if (keydef->algorithm == HA_KEY_ALG_BTREE)
{
- if (_hp_rec_key_cmp(share->keydef+key,old,heap_new))
+ /* we don't need to delete non-inserted key from rb-tree */
+ if ((*keydef->write_key)(info, keydef, old, pos))
{
- if (_hp_delete_key(info,share->keydef+key,heap_new,pos,0) ||
- _hp_write_key(share,share->keydef+key,old,pos))
+ if (++(share->records) == share->blength) share->blength+= share->blength;
+ DBUG_RETURN(my_errno);
+ }
+ keydef--;
+ }
+ while (keydef >= share->keydef)
+ {
+ if (hp_rec_key_cmp(keydef, old, heap_new))
+ {
+ if ((*keydef->delete_key)(info, keydef, heap_new, pos, 0) ||
+ (*keydef->write_key)(info, keydef, old, pos))
break;
}
- } while (key-- > 0);
+ keydef--;
+ }
}
if (++(share->records) == share->blength) share->blength+= share->blength;
DBUG_RETURN(my_errno);