From 260b6f346976c8eaf0ef12bca244b5e161790ca3 Mon Sep 17 00:00:00 2001
From: fzaninotto <fzaninotto@gmail.com>
Date: Mon, 25 Nov 2019 09:32:42 +0100
Subject: [PATCH] Fix ReferenceInput should not set filter in getList when q is
 empty

Closes #4036
---
 packages/ra-ui-materialui/src/input/ReferenceArrayInput.js | 2 +-
 packages/ra-ui-materialui/src/input/ReferenceInput.tsx     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/ra-ui-materialui/src/input/ReferenceArrayInput.js b/packages/ra-ui-materialui/src/input/ReferenceArrayInput.js
index 7e79bb67374..e5c1219d246 100644
--- a/packages/ra-ui-materialui/src/input/ReferenceArrayInput.js
+++ b/packages/ra-ui-materialui/src/input/ReferenceArrayInput.js
@@ -154,7 +154,7 @@ ReferenceArrayInput.propTypes = {
 ReferenceArrayInput.defaultProps = {
     allowEmpty: false,
     filter: {},
-    filterToQuery: searchText => ({ q: searchText }),
+    filterToQuery: searchText => (searchText ? { q: searchText } : {}),
     perPage: 25,
     sort: { field: 'id', order: 'DESC' },
 };
diff --git a/packages/ra-ui-materialui/src/input/ReferenceInput.tsx b/packages/ra-ui-materialui/src/input/ReferenceInput.tsx
index e1789dad115..2b56b460b45 100644
--- a/packages/ra-ui-materialui/src/input/ReferenceInput.tsx
+++ b/packages/ra-ui-materialui/src/input/ReferenceInput.tsx
@@ -159,7 +159,7 @@ ReferenceInput.propTypes = {
 ReferenceInput.defaultProps = {
     allowEmpty: false,
     filter: {},
-    filterToQuery: searchText => ({ q: searchText }),
+    filterToQuery: searchText => (searchText ? { q: searchText } : {}),
     perPage: 25,
     sort: { field: 'id', order: 'DESC' },
 };