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-rw-r--r--include/cache.php49
1 files changed, 17 insertions, 32 deletions
diff --git a/include/cache.php b/include/cache.php
index 567046f7a..a70650b5e 100644
--- a/include/cache.php
+++ b/include/cache.php
@@ -1,4 +1,4 @@
-<?php
+<?php /** @file */
/**
* cache api
@@ -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")));
}