Merge pull request #80 from ydb-platform/fix-list-value

Fixed crash when getting an empty list in QueryResult

Author: ilyakharev

CHANGELOG.md

@@ -1,3 +1,4 @@
+* fixed result with empty list
 * added optional type in prepare statment
 
 ## 1.5.6

src/QueryResult.php

@@ -172,7 +172,7 @@ protected function fillRows($rows)
             foreach ($row['items'] as $i => $item)
             {
                 $values = array_values($item);
-                $value = $values[0];
+                $value = count($values)>0?$values[0]:[];;
                 $column = $this->columns[$i];
                 if ($value === null)
                 {

tests/CheckTypeTest.php

@@ -179,6 +179,12 @@ public function test(){
             'v' => [2],
         ]);
 
+        $query = "DECLARE \$v as List<Int32>; SELECT \$v as val;";
+        $prepared = $session->prepare($query);
+        $result = $prepared->execute([
+            'v' => [],
+        ]);
+
         foreach ($checkTypes as $type=>$data) {
             $query = "DECLARE \$v as $type; SELECT \$v as val;";
             $prepared = $session->prepare($query);