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Merge adventure.(none):/home/thek/Development/cpp/bug30269/my51-bug30269

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into  adventure.(none):/home/thek/Development/cpp/mysql-5.1-runtime


mysql-test/r/query_cache.result:
  Auto merged
mysql-test/t/query_cache.test:
  Auto merged
sql/sql_cache.cc:
  Auto merged
sql/sql_cache.h:
  Auto merged
This commit is contained in:
unknown
2007-08-17 17:26:38 +02:00
parent d811750fe8 c24600306c
commit 59c92e263a
4 changed files with 78 additions and 7 deletions
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24
sql/sql_cache.cc
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@ -3222,14 +3222,31 @@ void Query_cache::double_linked_list_join(Query_cache_block *head_tail,
>0 number of tables
*/
static TABLE_COUNTER_TYPE process_and_count_tables(TABLE_LIST *tables_used,
uint8 *tables_type)
TABLE_COUNTER_TYPE
Query_cache::process_and_count_tables(THD *thd, TABLE_LIST *tables_used,
uint8 *tables_type)
{
DBUG_ENTER("process_and_count_tables");
TABLE_COUNTER_TYPE table_count = 0;
for (; tables_used; tables_used= tables_used->next_global)
{
table_count++;
#ifdef HAVE_QUERY_CACHE
/*
Disable any attempt to store this statement if there are
column level grants on any referenced tables.
The grant.want_privileges flag was set to 1 in the
check_grant() function earlier if the TABLE_LIST object
had any associated column privileges.
*/
if (tables_used->grant.want_privilege)
{
DBUG_PRINT("qcache", ("Don't cache statement as it refers to "
"tables with column privileges."));
thd->lex->safe_to_cache_query= 0;
DBUG_RETURN(0);
}
#endif
if (tables_used->view)
{
DBUG_PRINT("qcache", ("view: %s db: %s",
@ -3307,7 +3324,8 @@ Query_cache::is_cacheable(THD *thd, uint32 query_len, char *query, LEX *lex,
(long) lex->select_lex.options,
(int) thd->variables.query_cache_type));
if (!(table_count= process_and_count_tables(tables_used, tables_type)))
if (!(table_count= process_and_count_tables(thd, tables_used,
tables_type)))
DBUG_RETURN(0);
if ((thd->options & (OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) &&