Actualización

vendor/doctrine/dbal/lib/Doctrine/DBAL/Exception/NoKeyValue.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Doctrine\DBAL\Exception;
+
+use Doctrine\DBAL\Exception;
+
+use function sprintf;
+
+/**
+ * @internal
+ *
+ * @psalm-immutable
+ */
+final class NoKeyValue extends Exception
+{
+    public static function fromColumnCount(int $columnCount): self
+    {
+        return new self(
+            sprintf(
+                'Fetching as key-value pairs requires the result to contain at least 2 columns, %d given.',
+                $columnCount
+            )
+        );
+    }
+}