diff -u b/core/modules/views/src/Plugin/views/relationship/RelationshipPluginBase.php b/core/modules/views/src/Plugin/views/relationship/RelationshipPluginBase.php
--- b/core/modules/views/src/Plugin/views/relationship/RelationshipPluginBase.php
+++ b/core/modules/views/src/Plugin/views/relationship/RelationshipPluginBase.php
@@ -180,31 +180,29 @@
     return $dependencies;
   }
 
-   /**
-    * Shorten table name to avoid pgsql error on long alias names.
-    *
-    * @param string $table_name
-    *   Table name.
-    *
-    * @return string
-    */
-   private function shortenTableAlias(string $table_name) {
-     $new_alias = '';
-     foreach (explode('_', $table_name) as $word) {
-       if (strlen($word) < 1) {
-         continue;
-       }
-
-       if (strlen($word) < 4) {
-         $new_alias .= $word;
-         continue;
-       }
-
-       $new_alias .= sprintf('%s%s', substr($word, 0, 2), substr($word, -2));
-     }
-
-     return !empty($new_alias) ? $new_alias : $table_name;
-   }
+  /**
+   * Shorten table name to avoid pgsql error on long alias names.
+   *
+   * @param string $table_name
+   *   Table name.
+   *
+   * @return string
+   */
+  private function shortenTableAlias(string $table_name) {
+    $new_alias = '';
+    foreach (explode('_', $table_name) as $word) {
+      if (strlen($word) < 1) {
+        continue;
+      }
+      if (strlen($word) < 4) {
+        $new_alias .= $word;
+        continue;
+      }
+
+      $new_alias .= sprintf('%s%s', substr($word, 0, 2), substr($word, -2));
+    }
+    return !empty($new_alias) ? $new_alias : $table_name;
+  }
 
 }