Рефакторинг

src/Database/IdGenerator.php

@@ -0,0 +1,26 @@
+<?php
+
+class Database_IdGenerator {
+    private $db;
+
+    function __construct(Database $db) {
+        $this->db = $db;
+    }
+
+    function isBeforeInsert() {
+        return $this->db->isPostgres();
+    } 
+
+    function isAfterInsert() {
+        return !$this->db->isPostgres();
+    }
+    
+    function getId($seq) {
+        if ($this->db->isPostgres()) {
+            $result = $this->db->fetchOneArray("SELECT nextval('$seq') AS nextval");
+        } else {
+            $result = $this->db->fetchOneArray("SELECT last_insert_rowid() AS nextval");
+        }        
+        return intval($result['nextval']);
+    }
+}