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改进缓存标签的设置和删除

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thinkphp
2016-08-17 19:07:29 +08:00
parent 684c04849a
commit 90fc917b00
9 changed files with 112 additions and 78 deletions
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19
library/think/cache/driver/Sqlite.php vendored
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@@ -47,6 +47,17 @@ class Sqlite extends Driver
$this->handler = $func($this->options['db']);
}
/**
* 获取实际的缓存标识
* @access public
* @param string $name 缓存名
* @return string
*/
protected function getCacheKey($name)
{
return $this->options['prefix'] . sqlite_escape_string($name);
}
/**
* 判断缓存
* @access public
@@ -55,7 +66,7 @@ class Sqlite extends Driver
*/
public function has($name)
{
$name = $this->options['prefix'] . sqlite_escape_string($name);
$name = $this->getCacheKey($name);
$sql = 'SELECT value FROM ' . $this->options['table'] . ' WHERE var=\'' . $name . '\' AND (expire=0 OR expire >' . $_SERVER['REQUEST_TIME'] . ') LIMIT 1';
$result = sqlite_query($this->handler, $sql);
return sqlite_num_rows($result);
@@ -70,7 +81,7 @@ class Sqlite extends Driver
*/
public function get($name, $default = false)
{
$name = $this->options['prefix'] . sqlite_escape_string($name);
$name = $this->getCacheKey($name);
$sql = 'SELECT value FROM ' . $this->options['table'] . ' WHERE var=\'' . $name . '\' AND (expire=0 OR expire >' . $_SERVER['REQUEST_TIME'] . ') LIMIT 1';
$result = sqlite_query($this->handler, $sql);
if (sqlite_num_rows($result)) {
@@ -94,7 +105,7 @@ class Sqlite extends Driver
*/
public function set($name, $value, $expire = null)
{
$name = $this->options['prefix'] . sqlite_escape_string($name);
$name = $this->getCacheKey($name);
$value = sqlite_escape_string(serialize($value));
if (is_null($expire)) {
$expire = $this->options['expire'];
@@ -159,7 +170,7 @@ class Sqlite extends Driver
*/
public function rm($name)
{
$name = $this->options['prefix'] . sqlite_escape_string($name);
$name = $this->getCacheKey($name);
$sql = 'DELETE FROM ' . $this->options['table'] . ' WHERE var=\'' . $name . '\'';
sqlite_query($this->handler, $sql);
return true;