Fix for bug #52115 mysqli_result::fetch_all returns null, not an empty array

diff --git a/ext/mysqli/tests/mysqli_fetch_all.phpt b/ext/mysqli/tests/mysqli_fetch_all.phpt
index 122f8cd8f15b203f1368e3b0f8f3a650b4a64e07..63b6ad28486ea3b009b596561cba0abd595b961b 100644 (file)
--- a/ext/mysqli/tests/mysqli_fetch_all.phpt
+++ b/ext/mysqli/tests/mysqli_fetch_all.phpt
@@ -383,7 +383,8 @@ array(2) {
   }
 }
 [011]
-NULL
+array(0) {
+}
 [013]
 array(2) {
   [0]=>
@@ -402,7 +403,8 @@ array(2) {
   }
 }
 [016]
-NULL
+array(0) {
+}
 [017]
 array(1) {
   [0]=>

diff --git a/ext/mysqlnd/mysqlnd_result.c b/ext/mysqlnd/mysqlnd_result.c
index 7769018d51548c724c17f381100694c0c000ce1d..539cfbce2d663f58e3c2c3bd41ced585f31b0c96 100644 (file)
--- a/ext/mysqlnd/mysqlnd_result.c
+++ b/ext/mysqlnd/mysqlnd_result.c
@@ -1568,16 +1568,17 @@ MYSQLND_METHOD(mysqlnd_res, fetch_all)(MYSQLND_RES * result, unsigned int flags,
        DBG_INF_FMT("flags=%u", flags);
 
        /* mysqlnd_res::fetch_all works with buffered resultsets only */
-       if (!set ||
-               !set->row_count || !set->data_cursor ||
-               set->data_cursor >= set->data + set->row_count)
-       {
+       if (result->unbuf || (!result->unbuf && !set)) {
                RETVAL_NULL();
                DBG_VOID_RETURN;
-       }       
+       }
 
        mysqlnd_array_init(return_value, (unsigned int) set->row_count);
 
+       if (!set->row_count || !set->data_cursor || set->data_cursor >= set->data + set->row_count) {
+               DBG_VOID_RETURN;
+       }       
+
        while (set->data_cursor &&
                   (set->data_cursor - set->data) < (set->row_count * result->meta->field_count))
        {