diff --git a/src/Xhgui/Exception/NotImplementedException.php b/src/Xhgui/Exception/NotImplementedException.php
new file mode 100644
index 000000000..b0104621f
--- /dev/null
+++ b/src/Xhgui/Exception/NotImplementedException.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace XHGui\Exception;
+
+use RuntimeException;
+
+class NotImplementedException extends RuntimeException
+{
+    public static function notImplementedPdo(string $method): self
+    {
+        throw new self(sprintf('%s not implemented for PDO', $method));
+    }
+}
diff --git a/src/Xhgui/Searcher/PdoSearcher.php b/src/Xhgui/Searcher/PdoSearcher.php
index acbbcdf72..74a5809c9 100644
--- a/src/Xhgui/Searcher/PdoSearcher.php
+++ b/src/Xhgui/Searcher/PdoSearcher.php
@@ -3,6 +3,7 @@
 namespace XHGui\Searcher;
 
 use XHGui\Db\PdoRepository;
+use XHGui\Exception\NotImplementedException;
 use XHGui\Options\SearchOptions;
 use XHGui\Profile;
 
@@ -39,12 +40,9 @@ public function latest(): Profile
         ]);
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function query($conditions, $limit, $fields = [])
     {
-        // TODO: Implement query() method.
+        throw NotImplementedException::notImplementedPdo(__METHOD__);
     }
 
     /**
@@ -70,20 +68,14 @@ public function get($id): Profile
         ]);
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function getForUrl($url, $options, $conditions = [])
     {
-        // TODO: Implement getForUrl() method.
+        throw NotImplementedException::notImplementedPdo(__METHOD__);
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function getPercentileForUrl($percentile, $url, $search = [])
     {
-        // TODO: Implement getPercentileForUrl() method.
+        throw NotImplementedException::notImplementedPdo(__METHOD__);
     }
 
     /**
@@ -91,7 +83,7 @@ public function getPercentileForUrl($percentile, $url, $search = [])
      */
     public function getAvgsForUrl($url, $search = [])
     {
-        // TODO: Implement getAvgsForUrl() method.
+        throw NotImplementedException::notImplementedPdo(__METHOD__);
     }
 
     /**