Merge pull request #70 from Hajneej/bug-selection-cache

cache invalidation bug

Author: dg

src/Database/Table/Selection.php

@@ -538,6 +538,7 @@ protected function emptyResultSet($saveCache = TRUE)
 		$this->specificCacheKey = NULL;
 		$this->generalCacheKey = NULL;
 		$this->refCache['referencingPrototype'] = [];
+		$this->refCache['referenced'] = [];
 	}
 
 

tests/Database/Table/bugs/Selection.emptyResultSet.phpt

@@ -0,0 +1,26 @@
+<?php
+
+/**
+ * @dataProvider? ../../databases.ini
+ */
+
+use Tester\Assert;
+
+require __DIR__ . '/../../connect.inc.php'; // create $connection
+
+Nette\Database\Helpers::loadFromFile($connection, __DIR__ . "/../../files/{$driverName}-nette_test1.sql");
+
+
+test(function () use ($context) {
+	$selection = $context->table('book');
+	$selection->get(2)->author->name; //reading via reference
+
+	$context->table('book')->get(2)->author->update(['name' => 'New name']);
+	$context->table('book')->get(2)->update(['title' => 'New book title']);
+
+	$selection->limit(NULL); //should invalidate cache of data and references
+	$book = $selection->get(2);
+
+	Assert::same('New book title', $book->title); //data cache invalidated
+	Assert::same('New name', $book->author->name); //references NOT invalidated
+});