diff --git a/src/applications/differential/query/DifferentialRevisionQuery.php b/src/applications/differential/query/DifferentialRevisionQuery.php
--- a/src/applications/differential/query/DifferentialRevisionQuery.php
+++ b/src/applications/differential/query/DifferentialRevisionQuery.php
@@ -214,6 +214,10 @@
     return $this;
   }
 
+  public function withDraftAuthors($draft_authors) {
+    $this->draftAuthors = $draft_authors;
+    return $this;
+  }
 
   /**
    * Set whether or not the query should load the active diff for each
@@ -598,9 +602,9 @@
     if ($this->draftAuthors) {
       $joins[] = qsprintf(
         $conn,
-        'JOIN %T has_draft ON has_draft.srcPHID = r.phid
+        'JOIN %T has_draft ON has_draft.src = r.phid
           AND has_draft.type = %s
-          AND has_draft.dstPHID IN (%Ls)',
+          AND has_draft.dst IN (%Ls)',
         PhabricatorEdgeConfig::TABLE_NAME_EDGE,
         PhabricatorObjectHasDraftEdgeType::EDGECONST,
         $this->draftAuthors);
diff --git a/src/applications/differential/query/DifferentialRevisionSearchEngine.php b/src/applications/differential/query/DifferentialRevisionSearchEngine.php
--- a/src/applications/differential/query/DifferentialRevisionSearchEngine.php
+++ b/src/applications/differential/query/DifferentialRevisionSearchEngine.php
@@ -51,6 +51,10 @@
         $map['createdEnd']);
     }
 
+    if ($map['draftAuthors'] !== null) {
+      $query->withDraftAuthors($map['draftAuthors']);
+    }
+
     return $query;
   }
 
@@ -100,6 +104,12 @@
         ->setKey('createdEnd')
         ->setDescription(
           pht('Find revisions created at or before a particular time.')),
+      id(new PhabricatorUsersSearchField())
+        ->setLabel(pht('Drafted Comment Authors'))
+        ->setKey('draftAuthors')
+        ->setIsHidden(true)
+        ->setDescription(
+          pht('Find revisions with draft comments from specific authors.')),
     );
   }