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using internal name conversion in query cache as it was suggested by Shurik

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sql/sql_cache.cc:
  using internal name conversion as it was suggested by Shurik
This commit is contained in:
unknown
2003-01-17 15:36:08 +02:00
parent ee0f0a81da
commit ac814246a4
1 changed files with 12 additions and 12 deletions
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24
sql/sql_cache.cc
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@ -357,12 +357,6 @@ TODO list:
#define DUMP(C)
#endif
#ifdef FN_NO_CASE_SENCE
#define DB_NAME_PREPROCESS(C) tolower(C)
#else
#define DB_NAME_PREPROCESS(C) (C)
#endif
const char *query_cache_type_names[]= { "OFF", "ON", "DEMAND",NullS };
TYPELIB query_cache_type_typelib=
{
@ -2478,12 +2472,18 @@ TABLE_COUNTER_TYPE Query_cache::is_cacheable(THD *thd, uint32 query_len,
if (tables_used->table->db_type == DB_TYPE_MRG_ISAM ||
tables_used->table->tmp_table != NO_TMP_TABLE ||
(tables_used->db_length == 5 &&
DB_NAME_PREPROCESS(tables_used->db[0])=='m' &&
DB_NAME_PREPROCESS(tables_used->db[1])=='y' &&
DB_NAME_PREPROCESS(tables_used->db[2])=='s' &&
DB_NAME_PREPROCESS(tables_used->db[3])=='q' &&
DB_NAME_PREPROCESS(tables_used->db[4])=='l'))
(tables_used->db_length == 5 &&
#ifdef FN_NO_CASE_SENCE
// TODO: latin1 charset should be replaced with system charset
my_strncasecmp(my_charset_latin1,tables_used->db,"mysql",5) == 0
#else
tables_used->db[0]=='m' &&
tables_used->db[1]=='y' &&
tables_used->db[2]=='s' &&
tables_used->db[3]=='q' &&
tables_used->db[4]=='l'
#endif
))
{
DBUG_PRINT("qcache",
("select not cacheable: used MRG_ISAM, temporary or system table(s)"));