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merged latest changes in 3.23

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sql/slave.h:
  Auto merged
sql/slave.cc:
  Auto merged
Docs/manual.texi:
  merged
sql/sql_base.cc:
  merged
sql/sql_show.cc:
  merged
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unknown
2001-07-07 15:35:23 -06:00
parent 5d63584e60 cb696ba1f3
commit 8aac0529c7
5 changed files with 225 additions and 134 deletions
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185
sql/sql_base.cc
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@@ -34,6 +34,8 @@ HASH open_cache; /* Used by mysql_test */
static int open_unireg_entry(THD *thd,TABLE *entry,const char *db,
const char *name, const char *alias, bool locked);
static bool insert_fields(THD *thd,TABLE_LIST *tables, const char *db_name,
const char *table_name, List_iterator<Item> *it);
static void free_cache_entry(TABLE *entry);
static void mysql_rm_tmp_tables(void);
static key_map get_key_map_from_key_list(TABLE *table,
@@ -109,71 +111,75 @@ static void check_unused(void)
#define check_unused()
#endif
OPEN_TABLE_LIST *list_open_tables(THD *thd, const char *wild)
int list_open_tables(THD *thd,List<char> *tables, const char *db,
const char *wild)
{
int result = 0;
uint col_access=thd->col_access;
OPEN_TABLE_LIST **start_list, *open_list;
TABLE_LIST table_list;
char name[NAME_LEN*2];
DBUG_ENTER("list_open_tables");
VOID(pthread_mutex_lock(&LOCK_open));
bzero((char*) &table_list,sizeof(table_list));
start_list= &open_list;
open_list=0;
for (uint idx=0 ; result == 0 && idx < open_cache.records; idx++)
for (uint idx=0 ; idx < open_cache.records; idx++)
{
OPEN_TABLE_LIST *table;
TABLE *entry=(TABLE*) hash_element(&open_cache,idx);
if ((!entry->real_name))
continue; // Shouldn't happen
if (wild)
{
strxmov(name,entry->table_cache_key,".",entry->real_name,NullS);
if (wild_compare(name,wild))
continue;
}
/* Check if user has SELECT privilege for any column in the table */
table_list.db= (char*) entry->table_cache_key;
table_list.real_name= entry->real_name;
table_list.grant.privilege=0;
if (check_table_access(thd,SELECT_ACL | EXTRA_ACL,&table_list))
if ((!entry->real_name) || strcmp(entry->table_cache_key,db))
continue;
/* need to check if we haven't already listed it */
for (table= open_list ; table ; table=table->next)
{
if (!strcmp(table->table,entry->real_name) &&
!strcmp(table->db,entry->table_cache_key))
{
if (entry->in_use)
table->in_use++;
if (entry->locked_by_name)
table->locked++;
break;
}
}
if (table)
if (wild && wild[0] && wild_compare(entry->real_name,wild))
continue;
if (!(*start_list = (OPEN_TABLE_LIST *)
sql_alloc(sizeof(OPEN_TABLE_LIST)+entry->key_length)))
if (db && !(col_access & TABLE_ACLS))
{
open_list=0; // Out of memory
table_list.db= (char*) db;
table_list.real_name= entry->real_name;/*real name*/
table_list.grant.privilege=col_access;
if (check_grant(thd,TABLE_ACLS,&table_list,1))
continue;
}
/* need to check if he have't already listed it */
List_iterator<char> it(*tables);
char *table_name;
int check = 0;
while (check == 0 && (table_name=it++))
{
if (!strcmp(table_name,entry->real_name))
check++;
}
if (check)
continue;
if (tables->push_back(thd->strdup(entry->real_name)))
{
result = -1;
break;
}
(*start_list)->table=(strmov((*start_list)->db=(char*) ((*start_list)+1),
entry->table_cache_key)+1,
entry->real_name);
(*start_list)->in_use= entry->in_use ? 1 : 0;
(*start_list)->locked= entry->locked_by_name ? 1 : 0;
start_list= &(*start_list)->next;
}
VOID(pthread_mutex_unlock(&LOCK_open));
DBUG_RETURN(open_list);
DBUG_RETURN(result);
}
char*
query_table_status(THD *thd,const char *db,const char *table_name)
{
int cached = 0, in_use = 0;
char info[256];
for (uint idx=0 ; idx < open_cache.records; idx++)
{
TABLE *entry=(TABLE*) hash_element(&open_cache,idx);
if (strcmp(entry->table_cache_key,db) ||
strcmp(entry->real_name,table_name))
continue;
cached++;
if (entry->in_use)
in_use++;
}
sprintf(info, "cached=%d, in_use=%d", cached, in_use);
return thd->strdup(info);
}
@@ -253,7 +259,7 @@ send_fields(THD *thd,List<Item> &list,uint flag)
if (my_net_write(&thd->net, (char*) packet->ptr(),packet->length()))
break; /* purecov: inspected */
}
send_eof(&thd->net);
send_eof(&thd->net,(test_flags & TEST_MIT_THREAD) ? 0: 1);
return 0;
err:
send_error(&thd->net,ER_OUT_OF_RESOURCES); /* purecov: inspected */
@@ -424,9 +430,40 @@ void close_thread_tables(THD *thd, bool locked)
DBUG_PRINT("info", ("thd->open_tables=%p", thd->open_tables));
while (thd->open_tables)
found_old_table|=close_thread_table(thd, &thd->open_tables);
for (table=thd->open_tables ; table ; table=next)
{
next=table->next;
if (table->version != refresh_version ||
thd->version != refresh_version || !table->db_stat)
{
VOID(hash_delete(&open_cache,(byte*) table));
found_old_table=1;
}
else
{
if (table->flush_version != flush_version)
{
table->flush_version=flush_version;
table->file->extra(HA_EXTRA_FLUSH);
}
else
{
// Free memory and reset for next loop
table->file->extra(HA_EXTRA_RESET);
}
table->in_use=0;
if (unused_tables)
{
table->next=unused_tables; /* Link in last */
table->prev=unused_tables->prev;
unused_tables->prev=table;
table->prev->next=table;
}
else
unused_tables=table->next=table->prev=table;
}
}
thd->open_tables=0;
/* Free tables to hold down open files */
while (open_cache.records > table_cache_size && unused_tables)
VOID(hash_delete(&open_cache,(byte*) unused_tables)); /* purecov: tested */
@@ -442,48 +479,6 @@ void close_thread_tables(THD *thd, bool locked)
DBUG_VOID_RETURN;
}
/* move one table to free list */
bool close_thread_table(THD *thd, TABLE **table_ptr)
{
DBUG_ENTER("close_thread_table");
bool found_old_table=0;
TABLE *table=*table_ptr;
*table_ptr=table->next;
if (table->version != refresh_version ||
thd->version != refresh_version || !table->db_stat)
{
VOID(hash_delete(&open_cache,(byte*) table));
found_old_table=1;
}
else
{
if (table->flush_version != flush_version)
{
table->flush_version=flush_version;
table->file->extra(HA_EXTRA_FLUSH);
}
else
{
// Free memory and reset for next loop
table->file->extra(HA_EXTRA_RESET);
}
table->in_use=0;
if (unused_tables)
{
table->next=unused_tables; /* Link in last */
table->prev=unused_tables->prev;
unused_tables->prev=table;
table->prev->next=table;
}
else
unused_tables=table->next=table->prev=table;
}
DBUG_RETURN(found_old_table);
}
/* Close and delete temporary tables */
void close_temporary(TABLE *table,bool delete_table)
@@ -1837,7 +1832,7 @@ static key_map get_key_map_from_key_list(TABLE *table,
** Returns pointer to last inserted field if ok
****************************************************************************/
bool
static bool
insert_fields(THD *thd,TABLE_LIST *tables, const char *db_name,
const char *table_name, List_iterator<Item> *it)
{