SqlPreprocessor: workaround for PDO bug #74996 when looking for ? i…

…n prepared query [Closes #177]
nette · Jul 27, 2017 · 9b16e3e · 9b16e3e
1 parent e04eb88
commit 9b16e3e
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/src/Database/SqlPreprocessor.php b/src/Database/SqlPreprocessor.php
@@ -114,7 +114,7 @@ private function formatValue($value, $mode = null)
 	{
 		if (!$mode || $mode === 'auto') {
 			if (is_string($value)) {
-				if (strlen($value) > 20) {
+				if (strlen($value) > 20 || strpos($value, '\\') !== false) {
 					$this->remaining[] = $value;
 					return '?';
 

diff --git a/tests/Database/SqlPreprocessor.phpt b/tests/Database/SqlPreprocessor.phpt
@@ -28,6 +28,10 @@ test(function () use ($preprocessor) { // arg without placeholder
 	list($sql, $params) = $preprocessor->process(['SELECT id FROM author WHERE id =', '11']);
 	Assert::same("SELECT id FROM author WHERE id = '11'", $sql);
 	Assert::same([], $params);
+
+	list($sql, $params) = $preprocessor->process(['SELECT id FROM author WHERE id =', '1\\1']);
+	Assert::same('SELECT id FROM author WHERE id = ?', $sql);
+	Assert::same(['1\\1'], $params);
 });