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Manually merged

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This commit is contained in:
evgen@moonbone.local
2005-12-02 19:42:14 +03:00
parent 035c24beeb 151350536c
commit 00b902b065
7 changed files with 105 additions and 13 deletions
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21
sql/sql_cache.cc
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@ -990,8 +990,25 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
my_toupper(system_charset_info,sql[2]) !='L') &&
sql[0] != '/')
{
DBUG_PRINT("qcache", ("The statement is not a SELECT; Not cached"));
goto err;
uint i= 0;
/*
Skip '(' characters in queries like following:
(select a from t1) union (select a from t1);
*/
while (sql[i]=='(')
i++;
/*
Test if the query is a SELECT
(pre-space is removed in dispatch_command)
*/
if (my_toupper(system_charset_info, sql[i]) != 'S' ||
my_toupper(system_charset_info, sql[i + 1]) != 'E' ||
my_toupper(system_charset_info, sql[i + 2]) != 'L')
{
DBUG_PRINT("qcache", ("The statement is not a SELECT; Not cached"));
goto err;
}
}
STRUCT_LOCK(&structure_guard_mutex);