From b975e10255a24ba27c4616d834a568bca54bedc0 Mon Sep 17 00:00:00 2001
From: raviks789 <raviks789@gmail.com>
Date: Wed, 19 Jun 2024 14:43:17 +0200
Subject: [PATCH] FilterProcessor: Fix predicate assembling for `EXISTS` and
 `NOT EXISTS` operators

---
 src/Compat/FilterProcessor.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Compat/FilterProcessor.php b/src/Compat/FilterProcessor.php
index 6835e25..1ed1c3d 100644
--- a/src/Compat/FilterProcessor.php
+++ b/src/Compat/FilterProcessor.php
@@ -65,7 +65,7 @@ public static function assemblePredicate(Filter\Condition $filter)
         $column = $filter->getColumn();
         $expression = $filter->getValue();
 
-        if (is_array($expression) || $expression instanceof Select) {
+        if (! empty($column) && (is_array($expression) || $expression instanceof Select)) {
             $nullVerification = true;
             if (is_array($column)) {
                 if (count($column) === 1) {