diff options
Diffstat (limited to 'include/cache.php')
| -rw-r--r-- | include/cache.php | 47 |
1 files changed, 16 insertions, 31 deletions
diff --git a/include/cache.php b/include/cache.php index b546cd0e9..a70650b5e 100644 --- a/include/cache.php +++ b/include/cache.php @@ -6,52 +6,37 @@ class Cache { public static function get($key){ - $r = q("SELECT `v` FROM `cache` WHERE `k`='%s' limit 1", + $r = q("SELECT v FROM cache WHERE k = '%s' limit 1", dbesc($key) ); - if (count($r)) return $r[0]['v']; + if ($r) + return $r[0]['v']; return null; } public static function set($key,$value) { - q("REPLACE INTO `cache` (`k`,`v`,`updated`) VALUES ('%s','%s','%s')", + $r = q("SELECT * FROM cache WHERE k = '%s' limit 1", + dbesc($key) + ); + if($r) { + q("UPDATE cache SET v = '%s', updated = '%s' WHERE k = '%s' limit 1", + dbesc($value), + dbesc(datetime_convert()), + dbesc($key)); + } + else { + q("INSERT INTO cache ( k, v, updated) VALUES ('%s','%s','%s')", dbesc($key), dbesc($value), dbesc(datetime_convert())); + } } -/* - * - * Leaving this legacy code temporaily to see how REPLACE fares - * as opposed to non-atomic checks when faced with fast moving key duplication. - * As a MySQL extension it isn't portable, but we're not yet very portable. - */ - -/* - * $r = q("SELECT * FROM `cache` WHERE `k`='%s' limit 1", - * dbesc($key) - * ); - * if(count($r)) { - * q("UPDATE `cache` SET `v` = '%s', `updated = '%s' WHERE `k` = '%s' limit 1", - * dbesc($value), - * dbesc(datetime_convert()), - * dbesc($key)); - * } - * else { - * q("INSERT INTO `cache` (`k`,`v`,`updated`) VALUES ('%s','%s','%s')", - * dbesc($key), - * dbesc($value), - * dbesc(datetime_convert())); - * } - * } - */ - - public static function clear(){ - q("DELETE FROM `cache` WHERE `updated` < '%s'", + q("DELETE FROM cache WHERE updated < '%s'", dbesc(datetime_convert('UTC','UTC',"now - 30 days"))); } |