From 770cfadd683b558deb71937518f98948a4bd1506 Mon Sep 17 00:00:00 2001
From: Sara Arjona <sara@moodle.com>
Date: Thu, 27 Feb 2020 13:12:52 +0100
Subject: [PATCH] MDL-67062 core_h5p: fix oracle distinct error

---
 h5p/classes/api.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/h5p/classes/api.php b/h5p/classes/api.php
index c1087d17c79..fdd5b29328d 100644
--- a/h5p/classes/api.php
+++ b/h5p/classes/api.php
@@ -82,10 +82,12 @@ class api {
     public static function get_dependent_libraries(int $libraryid): array {
         global $DB;
 
-        $sql = 'SELECT DISTINCT hl.*
-                  FROM {h5p_library_dependencies} hld
-                  JOIN {h5p_libraries} hl ON hl.id = hld.libraryid
-                 WHERE hld.requiredlibraryid = :libraryid';
+        $sql = 'SELECT *
+                  FROM {h5p_libraries}
+                 WHERE id IN (SELECT DISTINCT hl.id
+                                FROM {h5p_library_dependencies} hld
+                                JOIN {h5p_libraries} hl ON hl.id = hld.libraryid
+                               WHERE hld.requiredlibraryid = :libraryid)';
         $params = ['libraryid' => $libraryid];
 
         return $DB->get_records_sql($sql, $params);