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merge with 4.0

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monty@mysql.com
2004-03-16 22:41:30 +02:00
parent 861bf3c8c0 325f661525
commit 350b433569
195 changed files with 2651 additions and 4109 deletions
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31
sql/sql_cache.cc
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@ -1158,6 +1158,37 @@ void Query_cache::invalidate(CHANGED_TABLE_LIST *tables_used)
DBUG_VOID_RETURN;
}
/*
Invalidate locked for write
SYNOPSIS
Query_cache::invalidate_locked_for_write()
tables_used - table list
NOTE
can be used only for opened tables
*/
void Query_cache::invalidate_locked_for_write(TABLE_LIST *tables_used)
{
DBUG_ENTER("Query_cache::invalidate (changed table list)");
if (query_cache_size > 0 && tables_used)
{
STRUCT_LOCK(&structure_guard_mutex);
if (query_cache_size > 0)
{
DUMP(this);
for (; tables_used; tables_used= tables_used->next)
{
if (tables_used->lock_type & (TL_WRITE_LOW_PRIORITY | TL_WRITE))
invalidate_table(tables_used->table);
}
}
STRUCT_UNLOCK(&structure_guard_mutex);
}
DBUG_VOID_RETURN;
}
/*
Remove all cached queries that uses the given table
*/