From e4bd2a40e741e9d1b62890dafef783dcc79aeb4c Mon Sep 17 00:00:00 2001
From: Allan Jardine <allan@datatables.net>
Date: Mon, 15 Apr 2019 09:35:18 +0000
Subject: [PATCH] Fix - PHP: Invalid SQL could be generated when using `where
 ... in ...`.

- https://datatables.net/forums/discussion/55875/php-editor-issue#latest
---
 Database/Query.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Database/Query.php b/Database/Query.php
index df21a8c..2763450 100644
--- a/Database/Query.php
+++ b/Database/Query.php
@@ -901,7 +901,7 @@ protected function _build_where()
 				// Nothing
 			}
 			else {
-				$condition .= $this->_where[$i]['operator'];
+				$condition .= $this->_where[$i]['operator'].' ';
 			}
 
 			if ( $this->_where[$i]['group'] !== null ) {