From 420ce77729d967872416f10f2ae679d252cbb90e Mon Sep 17 00:00:00 2001
From: James Cole <james@firefly-iii.org>
Date: Sun, 28 Jul 2024 10:50:06 +0200
Subject: [PATCH] Fix cachekey issue

This should fix #470 by making sure all columns are strings before imploding them.

Signed-off-by: James Cole <james@firefly-iii.org>
---
 src/CacheKey.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/CacheKey.php b/src/CacheKey.php
index 057582f..eea4e29 100644
--- a/src/CacheKey.php
+++ b/src/CacheKey.php
@@ -263,6 +263,10 @@ protected function getQueryColumns(array $columns) : string
             return "_" . implode("_", $columns);
         }
 
+        $columns = array_map(function ($column) {
+            return $this->expressionToString($column);
+        }, $columns);
+        
         return "_" . implode("_", $columns);
     }