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<?php |
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namespace MatthiasMullie\Scrapbook\Adapters; |
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/** |
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* SQLite adapter. Basically just a wrapper over \PDO, but in an exchangeable |
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* (KeyValueStore) interface. |
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* |
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* @author Matthias Mullie <[email protected]> |
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* @copyright Copyright (c) 2014, Matthias Mullie. All rights reserved |
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* @license LICENSE MIT |
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*/ |
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class SQLite extends MySQL |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setMulti(array $items, $expire = 0) |
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{ |
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if (empty($items)) { |
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return array(); |
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} |
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$expire = $this->expire($expire); |
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$this->clearExpired(); |
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// SQLite < 3.7.11 doesn't support multi-insert/replace! |
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$statement = $this->client->prepare( |
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"REPLACE INTO $this->table (k, v, e) |
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VALUES (:key, :value, :expire)" |
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); |
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$success = array(); |
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foreach ($items as $key => $value) { |
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$value = $this->serialize($value); |
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$statement->execute(array( |
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':key' => $key, |
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':value' => $value, |
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':expire' => $expire, |
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)); |
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$success[$key] = (bool) $statement->rowCount(); |
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} |
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return $success; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function add($key, $value, $expire = 0) |
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{ |
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$value = $this->serialize($value); |
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$expire = $this->expire($expire); |
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$this->clearExpired(); |
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// SQLite-specific way to ignore insert-on-duplicate errors |
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$statement = $this->client->prepare( |
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"INSERT OR IGNORE INTO $this->table (k, v, e) |
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VALUES (:key, :value, :expire)" |
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); |
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$statement->execute(array( |
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':key' => $key, |
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':value' => $value, |
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':expire' => $expire, |
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)); |
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return 1 === $statement->rowCount(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function flush() |
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{ |
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return false !== $this->client->exec("DELETE FROM $this->table"); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function init() |
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{ |
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$this->client->exec( |
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"CREATE TABLE IF NOT EXISTS $this->table ( |
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k VARCHAR(255) NOT NULL PRIMARY KEY, |
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v BLOB, |
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e TIMESTAMP NULL DEFAULT NULL, |
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KEY e |
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)" |
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); |
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} |
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} |
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matthiasmullie /
scrapbook
