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Automatic repair of MyISAM tables + portability fixes

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This commit is contained in:
monty@tik.mysql.com
2000-10-11 00:06:37 +03:00
parent 16f11f94b2
commit 09dce662e2
27 changed files with 370 additions and 181 deletions
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71
sql/sql_base.cc
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@ -34,7 +34,7 @@ HASH open_cache; /* Used by mysql_test */
static int open_unireg_entry(TABLE *entry,const char *db,const char *name,
const char *alias);
const char *alias, bool locked);
static bool insert_fields(THD *thd,TABLE_LIST *tables, const char *table_name,
List_iterator<Item> *it);
static void free_cache_entry(TABLE *entry);
@ -572,7 +572,7 @@ TABLE *reopen_name_locked_table(THD* thd, TABLE_LIST* table_list)
key_length=(uint) (strmov(strmov(key,db)+1,table_name)-key)+1;
pthread_mutex_lock(&LOCK_open);
if (open_unireg_entry(table, db, table_name, table_name) ||
if (open_unireg_entry(table, db, table_name, table_name,0) ||
!(table->table_cache_key =memdup_root(&table->mem_root,(char*) key,
key_length)))
{
@ -706,7 +706,7 @@ TABLE *open_table(THD *thd,const char *db,const char *table_name,
/* make a new table */
if (!(table=(TABLE*) my_malloc(sizeof(*table),MYF(MY_WME))))
DBUG_RETURN(NULL);
if (open_unireg_entry(table,db,table_name,alias) ||
if (open_unireg_entry(table,db,table_name,alias,0) ||
!(table->table_cache_key=memdup_root(&table->mem_root,(char*) key,
key_length)))
{
@ -816,7 +816,7 @@ bool reopen_table(TABLE *table,bool locked)
if (!locked)
VOID(pthread_mutex_lock(&LOCK_open));
if (open_unireg_entry(&tmp,db,table_name,table->table_name))
if (open_unireg_entry(&tmp,db,table_name,table->table_name,locked))
goto end;
free_io_cache(table);
@ -1113,23 +1113,72 @@ void abort_locked_tables(THD *thd,const char *db, const char *table_name)
*/
static int open_unireg_entry(TABLE *entry,const char *db,const char *name,
const char *alias)
const char *alias, bool locked)
{
char path[FN_REFLEN];
int error;
DBUG_ENTER("open_unireg_entry");
(void) sprintf(path,"%s/%s/%s",mysql_data_home,db,name);
if (openfrm(path,alias,
(uint) (HA_OPEN_KEYFILE | HA_OPEN_RNDFILE | HA_GET_INDEX |
HA_TRY_READ_ONLY),
READ_KEYINFO | COMPUTE_TYPES | EXTRA_RECORD,
ha_open_options,
entry))
(uint) (HA_OPEN_KEYFILE | HA_OPEN_RNDFILE | HA_GET_INDEX |
HA_TRY_READ_ONLY),
READ_KEYINFO | COMPUTE_TYPES | EXTRA_RECORD,
ha_open_options,
entry))
{
DBUG_RETURN(1);
THD *thd=current_thd;
if (!entry->crashed)
goto err; // Can't repair the table
TABLE_LIST table_list;
table_list.db=(char*) db;
table_list.name=(char*) name;
table_list.next=0;
if (!locked)
pthread_mutex_lock(&LOCK_open);
if ((error=lock_table_name(thd,&table_list)))
{
if (error < 0)
{
if (!locked)
pthread_mutex_lock(&LOCK_open);
goto err;
}
if (wait_for_locked_table_names(thd,&table_list))
{
unlock_table_name(thd,&table_list);
if (!locked)
pthread_mutex_lock(&LOCK_open);
goto err;
}
}
pthread_mutex_unlock(&LOCK_open);
thd->net.last_error[0]=0; // Clear error message
thd->net.last_errno=0;
error=0;
sql_print_error("Warning: Repairing table: %s.%s",db,name);
if (openfrm(path,alias,
(uint) (HA_OPEN_KEYFILE | HA_OPEN_RNDFILE | HA_GET_INDEX |
HA_TRY_READ_ONLY),
READ_KEYINFO | COMPUTE_TYPES | EXTRA_RECORD,
ha_open_options | HA_OPEN_FOR_REPAIR,
entry) ||
(entry->file->is_crashed() && entry->file->check_and_repair(thd)))
{
sql_print_error("Error: Couldn't repair table: %s.%s",db,name);
error=1;
}
unlock_table_name(thd,&table_list);
if (locked)
pthread_mutex_lock(&LOCK_open); // Get back old lock
if (error)
goto err;
}
(void) entry->file->extra(HA_EXTRA_NO_READCHECK); // Not needed in SQL
DBUG_RETURN(0);
err:
DBUG_RETURN(1);
}