From ac859eb57638ccac6151bfe8a505a2eabb61a9a8 Mon Sep 17 00:00:00 2001
From: Jonas Kvinge <jonas@jkvinge.net>
Date: Tue, 20 Oct 2020 17:14:38 +0200
Subject: [PATCH] Make sure we query empty instead of null

---
 src/collection/collectionquery.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/collection/collectionquery.cpp b/src/collection/collectionquery.cpp
index f8162c6d2..19b4b0dac 100644
--- a/src/collection/collectionquery.cpp
+++ b/src/collection/collectionquery.cpp
@@ -136,6 +136,10 @@ void CollectionQuery::AddWhere(const QString &column, const QVariant &value, con
     if (value.type() == QVariant::Int) {
       where_clauses_ << QString("%1 %2 %3").arg(column, op, value.toString());
     }
+    else if (value.type() == QVariant::String && value.toString().isNull()) {
+      where_clauses_ << QString("%1 %2 ?").arg(column, op);
+      bound_values_ << QString("");
+    }
     else {
       where_clauses_ << QString("%1 %2 ?").arg(column, op);
       bound_values_ << value;