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Merge 4.1 to 5.0.

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BitKeeper/etc/logging_ok:
  auto-union
client/mysql.cc:
  Auto merged
configure.in:
  Auto merged
client/mysqltest.c:
  Auto merged
include/my_global.h:
  Auto merged
include/my_pthread.h:
  Auto merged
include/mysql_com.h:
  Auto merged
libmysql/libmysql.c:
  Auto merged
libmysqld/lib_sql.cc:
  Auto merged
myisam/mi_check.c:
  Auto merged
mysql-test/r/insert.result:
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mysql-test/r/join_outer.result:
  Auto merged
mysql-test/r/multi_update.result:
  Auto merged
mysql-test/r/query_cache.result:
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mysql-test/r/symlink.result:
  Auto merged
mysql-test/t/func_time.test:
  Auto merged
mysql-test/t/insert.test:
  Auto merged
mysql-test/t/multi_update.test:
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mysql-test/t/query_cache.test:
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sql/ha_innodb.cc:
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sql/item.cc:
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sql/item.h:
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sql/item_cmpfunc.cc:
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sql/item_func.cc:
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sql/item_func.h:
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sql/item_subselect.cc:
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sql/item_sum.cc:
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sql/item_sum.h:
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sql/item_timefunc.cc:
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sql/lex.h:
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sql/log.cc:
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sql/log_event.cc:
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sql/mysql_priv.h:
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sql/mysqld.cc:
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sql/opt_range.cc:
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sql/records.cc:
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sql/repl_failsafe.cc:
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sql/set_var.cc:
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sql/slave.cc:
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sql/sql_acl.h:
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sql/sql_base.cc:
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sql/sql_cache.cc:
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sql/sql_class.h:
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sql/sql_db.cc:
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sql/sql_delete.cc:
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sql/sql_insert.cc:
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sql/sql_load.cc:
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sql/sql_prepare.cc:
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sql/sql_rename.cc:
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sql/sql_select.cc:
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sql/sql_show.cc:
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sql/sql_update.cc:
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sql/sql_yacc.yy:
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sql/table.h:
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sql/share/czech/errmsg.txt:
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sql/share/romanian/errmsg.txt:
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This commit is contained in:
unknown
2003-12-19 18:03:27 +01:00
parent 58a52a2a84 bfe77e3398
commit 4cd9022769
188 changed files with 3541 additions and 1205 deletions
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34
sql/sql_cache.cc
View File

@ -1211,9 +1211,29 @@ void Query_cache::invalidate(char *db)
if (query_cache_size > 0)
{
DUMP(this);
/* invalidate_table reduce list while only root of list remain */
while (tables_blocks !=0 )
invalidate_table(tables_blocks);
restart_search:
if (tables_blocks)
{
Query_cache_block *curr= tables_blocks;
Query_cache_block *next;
do
{
next= curr->next;
if (strcmp(db, (char*)(curr->table()->db())) == 0)
invalidate_table(curr);
/*
invalidate_table can freed block on which point 'next' (if
table of this block used only in queries which was deleted
by invalidate_table). As far as we do not allocate new blocks
and mark all headers of freed blocks as 'FREE' (even if they are
merged with other blocks) we can just test type of block
to be sure that block is not deleted
*/
if (next->type == Query_cache_block::FREE)
goto restart_search;
curr= next;
} while (curr != tables_blocks);
}
}
STRUCT_UNLOCK(&structure_guard_mutex);
}
@ -2223,9 +2243,11 @@ void Query_cache::free_memory_block(Query_cache_block *block)
{
DBUG_ENTER("Query_cache::free_memory_block");
block->used=0;
DBUG_PRINT("qcache",("first_block 0x%lx, block 0x%lx, pnext 0x%lx pprev 0x%lx",
(ulong) first_block, (ulong) block,block->pnext,
(ulong) block->pprev));
block->type= Query_cache_block::FREE; // mark block as free in any case
DBUG_PRINT("qcache",
("first_block 0x%lx, block 0x%lx, pnext 0x%lx pprev 0x%lx",
(ulong) first_block, (ulong) block, (ulong) block->pnext,
(ulong) block->pprev));
if (block->pnext != first_block && block->pnext->is_free())
block = join_free_blocks(block, block->pnext);