feat: min, max aggregate func

Author: abdul-kaioum

.vscode/settings.json

@@ -10,7 +10,7 @@
   "editor.defaultFormatter": "esbenp.prettier-vscode",
   "editor.formatOnSave": true,
   "editor.codeActionsOnSave": {
-    "source.fixAll.eslint": true
+    "source.fixAll.eslint": "explicit"
   },
   "stylelint.snippet": ["css", "scss"],
   "stylelint.validate": ["css", "scss", "postcss"],

src/QueryBuilder.php

@@ -904,6 +904,26 @@ public function count()
         return \is_array($result) && !empty($result[0]->count) ? $result[0]->count : null;
     }
 
+    public function max($column)
+    {
+        $this->select  = ['MAX(' . $column . ') as max'];
+        $this->_method = 'Select';
+        $result        = $this->exec();
+        unset($this->select);
+
+        return \is_array($result) && !empty($result[0]->max) ? $result[0]->max : null;
+    }
+
+    public function min($column)
+    {
+        $this->select  = ['MIN(' . $column . ') as min'];
+        $this->_method = 'Select';
+        $result        = $this->exec();
+        unset($this->select);
+
+        return \is_array($result) && !empty($result[0]->min) ? $result[0]->min : null;
+    }
+
     public function delete()
     {
         $this->_method = self::DELETE;