MI_INFO *mi_open(const char *name, int mode, uint open_flags)
{
int lock_error,kfile,open_mode,save_errno,have_rtree=0, realpath_err;
uint i,j,len,errpos,head_length,base_pos,offset,info_length,keys,
key_parts,unique_key_parts,fulltext_keys,uniques;
uint internal_table= open_flags & HA_OPEN_INTERNAL_TABLE;
char name_buff[FN_REFLEN], org_name[FN_REFLEN], index_name[FN_REFLEN],
data_name[FN_REFLEN];
uchar *disk_cache, *disk_pos, *end_pos;
MI_INFO info, *m_info, *old_info= NULL;
MYISAM_SHARE share_buff,*share;
ulong rec_per_key_part[HA_MAX_POSSIBLE_KEY*MI_MAX_KEY_SEG];
my_off_t key_root[HA_MAX_POSSIBLE_KEY],key_del[MI_MAX_KEY_BLOCK_SIZE];
ulonglong max_key_file_length, max_data_file_length;
DBUG_ENTER("mi_open");
m_info= NULL;
kfile= -1;
lock_error=1;
errpos=0;
head_length=sizeof(share_buff.state.header);
memset(&info, 0, sizeof(info));
realpath_err= my_realpath(name_buff,
fn_format(org_name,name,"",MI_NAME_IEXT,4),MYF(0));
if (my_is_symlink(org_name) &&
(realpath_err || (*myisam_test_invalid_symlink)(name_buff)))
{
my_errno= HA_WRONG_CREATE_OPTION;
DBUG_RETURN (NULL);
}
if (!internal_table)
{
mysql_mutex_lock(&THR_LOCK_myisam);
old_info= test_if_reopen(name_buff);
}
if (!old_info)
{
share= &share_buff;
memset(&share_buff, 0, sizeof(share_buff));
share_buff.state.rec_per_key_part=rec_per_key_part;
share_buff.state.key_root=key_root;
share_buff.state.key_del=key_del;
share_buff.key_cache= multi_key_cache_search((uchar*) name_buff,
strlen(name_buff));
DBUG_EXECUTE_IF("myisam_pretend_crashed_table_on_open",
if (strstr(name, "/t1"))
{
my_errno= HA_ERR_CRASHED;
goto err;
});
MI_INFO *mi_open(const char *name, int mode, uint open_flags)
{
int lock_error,kfile,open_mode,save_errno,have_rtree=0, realpath_err;
uint i,j,len,errpos,head_length,base_pos,offset,info_length,keys,
key_parts,unique_key_parts,base_key_parts,fulltext_keys,uniques;
char name_buff[FN_REFLEN], org_name[FN_REFLEN], index_name[FN_REFLEN],
data_name[FN_REFLEN];
uchar *UNINIT_VAR(disk_cache), *disk_pos, *end_pos;
MI_INFO info,*UNINIT_VAR(m_info),*old_info;
MYISAM_SHARE share_buff,*share;
ulong *rec_per_key_part= 0;
my_off_t *key_root, *key_del;
ulonglong max_key_file_length, max_data_file_length;
DBUG_ENTER("mi_open");
kfile= -1;
lock_error=1;
errpos=0;
head_length=sizeof(share_buff.state.header);
bzero((uchar*) &info,sizeof(info));
realpath_err= my_realpath(name_buff,
fn_format(org_name,name,"",MI_NAME_IEXT,4),MYF(0));
if (my_is_symlink(org_name) &&
(realpath_err || (*myisam_test_invalid_symlink)(name_buff)))
{
my_errno= HA_WRONG_CREATE_OPTION;
DBUG_RETURN (NULL);
}
mysql_mutex_lock(&THR_LOCK_myisam);
if (!(old_info=test_if_reopen(name_buff)))
{
share= &share_buff;
bzero((uchar*) &share_buff,sizeof(share_buff));
share_buff.key_cache= multi_key_cache_search((uchar*) name_buff,
strlen(name_buff),
dflt_key_cache);
DBUG_EXECUTE_IF("myisam_pretend_crashed_table_on_open",
if (strstr(name, "crashed"))
{
my_errno= HA_ERR_CRASHED;
goto err;
});
