From 586a8d4a000bad31a6bc33f1003520d374f61c1a Mon Sep 17 00:00:00 2001
From: jaymode <jay@elastic.co>
Date: Wed, 16 Nov 2016 12:21:15 -0500
Subject: [PATCH] add _seq_no field to allowed metafields

Original commit: elastic/x-pack-elasticsearch@875cbea3e040b005f4e312091c31579fce122d55
---
 .../authz/accesscontrol/SecurityIndexSearcherWrapper.java        | 1 +
 1 file changed, 1 insertion(+)

diff --git a/elasticsearch/src/main/java/org/elasticsearch/xpack/security/authz/accesscontrol/SecurityIndexSearcherWrapper.java b/elasticsearch/src/main/java/org/elasticsearch/xpack/security/authz/accesscontrol/SecurityIndexSearcherWrapper.java
index 4357faaaddb..c32d9362300 100644
--- a/elasticsearch/src/main/java/org/elasticsearch/xpack/security/authz/accesscontrol/SecurityIndexSearcherWrapper.java
+++ b/elasticsearch/src/main/java/org/elasticsearch/xpack/security/authz/accesscontrol/SecurityIndexSearcherWrapper.java
@@ -126,6 +126,7 @@ public class SecurityIndexSearcherWrapper extends IndexSearcherWrapper {
         allowedMetaFields.add("_source"); // TODO: add _source to MapperService#META_FIELDS?
         allowedMetaFields.add("_version"); // TODO: add _version to MapperService#META_FIELDS?
         allowedMetaFields.remove("_all"); // The _all field contains actual data and we can't include that by default.
+        allowedMetaFields.add("_seq_no"); // TODO: add _seq_no to MapperService#META_FIELDS?
 
         this.allowedMetaFields = Collections.unmodifiableSet(allowedMetaFields);
     }