diff options
| -rw-r--r-- | include/cache.php | 42 |
1 files changed, 30 insertions, 12 deletions
diff --git a/include/cache.php b/include/cache.php index 3c8a3f713..360c4acbd 100644 --- a/include/cache.php +++ b/include/cache.php @@ -14,22 +14,40 @@ } public static function set($key,$value) { - $r = q("SELECT * FROM `cache` WHERE `k`='%s' limit 1", - dbesc($key) - ); - if(count($r)) { - q("UPDATE `cache` SET `v` = '%s', `updated = '%s' WHERE `k` = '%s' limit 1", - dbesc($value), - dbesc(datetime_convert()), - dbesc($key)); - } - else { - q("INSERT INTO `cache` (`k`,`v`,`updated`) VALUES ('%s','%s','%s')", + + q("REPLACE INTO `cache` (`k`,`v`,`updated`) VALUES ('%s','%s','%s')", dbesc($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'", |