- Added the HAVING and TRUNCATE keyword

- Fixed GroupBy which was not implemented yet
- Added a new SQL raw() function
- From statement now accepts subqueries

src/Query/Select.php

@@ -4,6 +4,8 @@ namespace Ulmus\Query;
 
 class Select extends Fragment {
 
+    const FIELD_AS = "%s as %s";
+    
     public int $order = -100;
 
     public bool $distinct = false;
@@ -36,6 +38,13 @@ class Select extends Fragment {
 
     public function render() : string
     {
+        foreach($this->fields as $key => &$value) {
+            if ( ! is_numeric($key) ) {
+                $value = sprintf(static::FIELD_AS, $value, $key);
+            }
+            
+        }
+        
         return $this->renderSegments([
             ( $this->union ? 'UNION' : false ),
             static::SQL_TOKEN,