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- Patch #228281 by hswong3i: made queries TNGDB and ANSI compliant.

merge-requests/26/head
Dries Buytaert 2008-10-09 20:38:57 +00:00
parent 3ce6808be5
commit 40907cc79c
1 changed files with 23 additions and 8 deletions
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31
includes/cache.inc
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@ -23,10 +23,13 @@ function cache_get($cid, $table = 'cache') {
// Reset the variable immediately to prevent a meltdown in heavy load situations.
variable_set('cache_flush', 0);
// Time to flush old cache data
db_query("DELETE FROM {" . $table . "} WHERE expire != %d AND expire <= %d", CACHE_PERMANENT, $cache_flush);
db_delete($table)
->condition('expire', CACHE_PERMANENT, '<>')
->condition('expire', $cache_flush, '<=')
->execute();
}
$cache = db_fetch_object(db_query("SELECT data, created, headers, expire, serialized FROM {" . $table . "} WHERE cid = '%s'", $cid));
$cache = db_query("SELECT data, created, headers, expire, serialized FROM {" . $table . "} WHERE cid = :cid", array(':cid' => $cid))->fetch();
if (isset($cache->data)) {
// If the data is permanent or we're not enforcing a minimum cache lifetime
// always return the cached data.
@ -117,7 +120,10 @@ function cache_set($cid, $data, $table = 'cache', $expire = CACHE_PERMANENT, $he
$fields['serialized'] = 0;
}
db_merge($table)->key(array('cid' => $cid))->fields($fields)->execute();
db_merge($table)
->key(array('cid' => $cid))
->fields($fields)
->execute();
}
/**
@ -165,13 +171,19 @@ function cache_clear_all($cid = NULL, $table = NULL, $wildcard = FALSE) {
else if (REQUEST_TIME > ($cache_flush + variable_get('cache_lifetime', 0))) {
// Clear the cache for everyone, cache_flush_delay seconds have
// passed since the first request to clear the cache.
db_query("DELETE FROM {" . $table . "} WHERE expire != %d AND expire < %d", CACHE_PERMANENT, REQUEST_TIME);
db_delete($table)
->condition('expire', CACHE_PERMANENT, '<>')
->condition('expire', REQUEST_TIME, '<')
->execute();
variable_set('cache_flush', 0);
}
}
else {
// No minimum cache lifetime, flush all temporary cache entries now.
db_query("DELETE FROM {" . $table . "} WHERE expire != %d AND expire < %d", CACHE_PERMANENT, REQUEST_TIME);
db_delete($table)
->condition('expire', CACHE_PERMANENT, '<>')
->condition('expire', REQUEST_TIME, '<')
->execute();
}
}
else {
@ -180,12 +192,15 @@ function cache_clear_all($cid = NULL, $table = NULL, $wildcard = FALSE) {
db_delete($table)->execute();
}
else {
db_delete($table)->condition('cid', $cid .'%', 'LIKE')->execute();
db_delete($table)
->condition('cid', $cid . '%', 'LIKE')
->execute();
}
}
else {
db_delete($table)->condition('cid', $cid)->execute();
db_delete($table)
->condition('cid', $cid)
->execute();
}
}
}