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

Browse source 
into  chilla.local:/home/mydev/mysql-5.0-bug22119
This commit is contained in:
unknown 2006-10-25 21:22:04 +02:00
commit 861d038883
1 changed files with 72 additions and 16 deletions
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88
myisam/mi_check.c
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@ -251,11 +251,12 @@ static int check_k_link(MI_CHECK *param, register MI_INFO *info, uint nr)
my_off_t next_link;
uint block_size=(nr+1)*MI_MIN_KEY_BLOCK_LENGTH;
ha_rows records;
char llbuff[21],*buff;
char llbuff[21], llbuff2[21], *buff;
DBUG_ENTER("check_k_link");
DBUG_PRINT("enter", ("block_size: %u", block_size));
if (param->testflag & T_VERBOSE)
printf("block_size %4d:",block_size);
printf("block_size %4u:", block_size); /* purecov: tested */
next_link=info->s->state.key_del[nr];
records= (ha_rows) (info->state->key_file_length / block_size);
@ -265,14 +266,46 @@ static int check_k_link(MI_CHECK *param, register MI_INFO *info, uint nr)
DBUG_RETURN(1);
if (param->testflag & T_VERBOSE)
printf("%16s",llstr(next_link,llbuff));
if (next_link > info->state->key_file_length ||
next_link & (info->s->blocksize-1))
/* Key blocks must lay within the key file length entirely. */
if (next_link + block_size > info->state->key_file_length)
{
/* purecov: begin tested */
mi_check_print_error(param, "Invalid key block position: %s "
"key block size: %u file_length: %s",
llstr(next_link, llbuff), block_size,
llstr(info->state->key_file_length, llbuff2));
DBUG_RETURN(1);
/* purecov: end */
}
/* Key blocks must be aligned at MI_MIN_KEY_BLOCK_LENGTH. */
if (next_link & (MI_MIN_KEY_BLOCK_LENGTH - 1))
{
/* purecov: begin tested */
mi_check_print_error(param, "Mis-aligned key block: %s "
"minimum key block length: %u",
llstr(next_link, llbuff), MI_MIN_KEY_BLOCK_LENGTH);
DBUG_RETURN(1);
/* purecov: end */
}
/*
Read the key block with MI_MIN_KEY_BLOCK_LENGTH to find next link.
If the key cache block size is smaller than block_size, we can so
avoid unecessary eviction of cache block.
*/
if (!(buff=key_cache_read(info->s->key_cache,
info->s->kfile, next_link, DFLT_INIT_HITS,
(byte*) info->buff,
myisam_block_size, block_size, 1)))
(byte*) info->buff, MI_MIN_KEY_BLOCK_LENGTH,
MI_MIN_KEY_BLOCK_LENGTH, 1)))
{
/* purecov: begin tested */
mi_check_print_error(param, "key cache read error for block: %s",
llstr(next_link,llbuff));
DBUG_RETURN(1);
/* purecov: end */
}
next_link=mi_sizekorr(buff);
records--;
param->key_file_blocks+=block_size;
@ -556,17 +589,37 @@ static int chk_index_down(MI_CHECK *param, MI_INFO *info, MI_KEYDEF *keyinfo,
ha_checksum *key_checksum, uint level)
{
char llbuff[22],llbuff2[22];
if (page > info->state->key_file_length || (page & (info->s->blocksize -1)))
{
my_off_t max_length=my_seek(info->s->kfile,0L,MY_SEEK_END,MYF(0));
mi_check_print_error(param,"Wrong pagepointer: %s at page: %s",
llstr(page,llbuff),llstr(page,llbuff2));
DBUG_ENTER("chk_index_down");
if (page+info->s->blocksize > max_length)
/* Key blocks must lay within the key file length entirely. */
if (page + keyinfo->block_length > info->state->key_file_length)
{
/* purecov: begin tested */
/* Give it a chance to fit in the real file size. */
my_off_t max_length= my_seek(info->s->kfile, 0L, MY_SEEK_END, MYF(0));
mi_check_print_error(param, "Invalid key block position: %s "
"key block size: %u file_length: %s",
llstr(page, llbuff), keyinfo->block_length,
llstr(info->state->key_file_length, llbuff2));
if (page + keyinfo->block_length > max_length)
goto err;
info->state->key_file_length=(max_length &
~ (my_off_t) (info->s->blocksize-1));
/* Fix the remebered key file length. */
info->state->key_file_length= (max_length &
~ (my_off_t) (keyinfo->block_length - 1));
/* purecov: end */
}
/* Key blocks must be aligned at MI_MIN_KEY_BLOCK_LENGTH. */
if (page & (MI_MIN_KEY_BLOCK_LENGTH - 1))
{
/* purecov: begin tested */
mi_check_print_error(param, "Mis-aligned key block: %s "
"minimum key block length: %u",
llstr(page, llbuff), MI_MIN_KEY_BLOCK_LENGTH);
goto err;
/* purecov: end */
}
if (!_mi_fetch_keypage(info,keyinfo,page, DFLT_INIT_HITS,buff,0))
{
mi_check_print_error(param,"Can't read key from filepos: %s",
@ -577,9 +630,12 @@ static int chk_index_down(MI_CHECK *param, MI_INFO *info, MI_KEYDEF *keyinfo,
if (chk_index(param,info,keyinfo,page,buff,keys,key_checksum,level))
goto err;
return 0;
DBUG_RETURN(0);
/* purecov: begin tested */
err:
return 1;
DBUG_RETURN(1);
/* purecov: end */
}