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Merge bk-internal.mysql.com:/home/bk/mysql-5.0

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into mysql.com:/home/my/mysql-5.0
This commit is contained in:
monty@mysql.com
2005-02-28 16:22:26 +02:00
parent 092a6a1f8e 3839e443a4
commit 72b692e11f
21 changed files with 191 additions and 88 deletions
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33
sql/sql_select.cc
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@ -10920,8 +10920,8 @@ static int remove_dup_with_hash_index(THD *thd, TABLE *table,
{
byte *key_buffer, *key_pos, *record=table->record[0];
int error;
handler *file=table->file;
ulong extra_length=ALIGN_SIZE(key_length)-key_length;
handler *file= table->file;
ulong extra_length= ALIGN_SIZE(key_length)-key_length;
uint *field_lengths,*field_length;
HASH hash;
DBUG_ENTER("remove_dup_with_hash_index");
@ -10935,22 +10935,34 @@ static int remove_dup_with_hash_index(THD *thd, TABLE *table,
NullS))
DBUG_RETURN(1);
{
Field **ptr;
ulong total_length= 0;
for (ptr= first_field, field_length=field_lengths ; *ptr ; ptr++)
{
uint length= (*ptr)->pack_length();
(*field_length++)= length;
total_length+= length;
}
DBUG_PRINT("info",("field_count: %u key_length: %lu total_length: %lu",
field_count, key_length, total_length));
DBUG_ASSERT(total_length <= key_length);
key_length= total_length;
extra_length= ALIGN_SIZE(key_length)-key_length;
}
if (hash_init(&hash, &my_charset_bin, (uint) file->records, 0,
key_length,(hash_get_key) 0, 0, 0))
key_length, (hash_get_key) 0, 0, 0))
{
my_free((char*) key_buffer,MYF(0));
DBUG_RETURN(1);
}
{
Field **ptr;
for (ptr= first_field, field_length=field_lengths ; *ptr ; ptr++)
(*field_length++)= (*ptr)->pack_length();
}
file->ha_rnd_init(1);
key_pos=key_buffer;
for (;;)
{
byte *org_key_pos;
if (thd->killed)
{
thd->send_kill_message();
@ -10973,6 +10985,7 @@ static int remove_dup_with_hash_index(THD *thd, TABLE *table,
}
/* copy fields to key buffer */
org_key_pos= key_pos;
field_length=field_lengths;
for (Field **ptr= first_field ; *ptr ; ptr++)
{
@ -10980,14 +10993,14 @@ static int remove_dup_with_hash_index(THD *thd, TABLE *table,
key_pos+= *field_length++;
}
/* Check if it exists before */
if (hash_search(&hash,key_pos-key_length,key_length))
if (hash_search(&hash, org_key_pos, key_length))
{
/* Duplicated found ; Remove the row */
if ((error=file->delete_row(record)))
goto err;
}
else
(void) my_hash_insert(&hash, key_pos-key_length);
(void) my_hash_insert(&hash, org_key_pos);
key_pos+=extra_length;
}
my_free((char*) key_buffer,MYF(0));