From 574d9c2d26fe0b37a60e3fe36d42802e41f8baa6 Mon Sep 17 00:00:00 2001
From: Jan <jsteemann@users.noreply.github.com>
Date: Mon, 3 Dec 2018 16:18:27 +0100
Subject: [PATCH] dont fail when restoring a cluster dump into a single server
 (#7596)

---
 arangod/Indexes/IndexFactory.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/arangod/Indexes/IndexFactory.cpp b/arangod/Indexes/IndexFactory.cpp
index ae2f789b3e..c0723b2851 100644
--- a/arangod/Indexes/IndexFactory.cpp
+++ b/arangod/Indexes/IndexFactory.cpp
@@ -213,8 +213,13 @@ TRI_idx_iid_t IndexFactory::validateSlice(arangodb::velocypack::Slice info,
 
   if (iid == 0 && !isClusterConstructor) {
     // Restore is not allowed to generate an id
-    TRI_ASSERT(generateKey);
-    iid = arangodb::Index::generateId();
+    VPackSlice type = info.get("type");
+    // dont generate ids for indexes of type "primary"
+    // id 0 is expected for primary indexes
+    if (!type.isString() || !type.isEqualString("primary")) {
+      TRI_ASSERT(generateKey);
+      iid = arangodb::Index::generateId();
+    }
   }
 
   return iid;