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RB-Tree indexes support in HEAP tables

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Renamed _hp_func  ->  hp_func
mi_key_cmp moved to /mysys/my_handler.c
New tests for HEAP tables
This commit is contained in:
bar@gw.udmsearch.izhnet.ru
2002-04-25 13:36:55 +05:00
parent c917658988
commit eab2893dac
54 changed files with 2361 additions and 748 deletions
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40
heap/hp_update.c
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@ -20,7 +20,7 @@
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;
DBUG_ENTER("heap_update");
@ -28,19 +28,20 @@ int heap_update(HP_INFO *info, const byte *old, const byte *heap_new)
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;
}
}
@ -51,16 +52,27 @@ int heap_update(HP_INFO *info, const byte *old, const byte *heap_new)
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);