First commit

vendor/PicoDb/Drivers/Sqlite.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace PicoDb;
+
+class Sqlite extends \PDO {
+
+
+    public function __construct($filename)
+    {
+        parent::__construct('sqlite:'.$filename);
+
+        $this->exec('PRAGMA foreign_keys = ON');
+    }
+
+
+    public function getSchemaVersion()
+    {
+        $rq = $this->prepare('PRAGMA user_version');
+        $rq->execute();
+        $result = $rq->fetch(\PDO::FETCH_ASSOC);
+
+        if (isset($result['user_version'])) {
+
+            return $result['user_version'];
+        }
+
+        return 0;
+    }
+
+
+    public function setSchemaVersion($version)
+    {
+        $this->exec('PRAGMA user_version='.$version);
+    }
+
+
+    public function getLastId()
+    {
+        return $this->lastInsertId();
+    }
+
+
+    public function escapeIdentifier($value)
+    {
+        if (strpos($value, '.') !== false) return $value;
+        return '"'.$value.'"';
+    }
+}