From 5271f8f028068cdc4427732bb223e630a92d1e45 Mon Sep 17 00:00:00 2001
From: Alex Pott <alex.a.pott@googlemail.com>
Date: Tue, 31 Mar 2015 17:16:44 +0100
Subject: [PATCH] Issue #2456951 by chx: Impossible to enable views if entities
 are not in SQL: part 2

---
 core/modules/views/src/Entity/View.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/core/modules/views/src/Entity/View.php b/core/modules/views/src/Entity/View.php
index 3a21a1379b4d..34b4ab093d3b 100644
--- a/core/modules/views/src/Entity/View.php
+++ b/core/modules/views/src/Entity/View.php
@@ -432,7 +432,11 @@ public function mergeDefaultDisplaysOptions() {
    * {@inheritdoc}
    */
   public function isInstallable() {
-    return (bool) \Drupal::service('views.views_data')->get($this->base_table);
+    $table_definition = \Drupal::service('views.views_data')->get($this->base_table);
+    // Check whether the base table definition exists and contains a base table
+    // definition. For example, taxonomy_views_data_alter() defines
+    // node_field_data even if it doesn't exist as a base table.
+    return $table_definition && isset($table_definition['table']['base']);
   }
 
   /**
-- 
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