- More work done on Update, Insert and Delete clause

- Added TOP property to select and delete to fit MSSQL limit's term.
- Added a new interface allowing object's manipulation on save() and load() queries

src/Query/Delete.php

@@ -10,12 +10,15 @@ class Delete extends Fragment {
     
     public bool $ignore = false;
     
+    public ? int $top = null;
+    
     public string $priority;
     
     public function render() : string
     {
         return $this->renderSegments([
             'DELETE',
+            ( $this->top ? sprintf('TOP (%s)', $this->top) : false ),
             ( $this->priority ?? false ),
             ( $this->quick ? 'QUICK' : false ),
             ( $this->ignore ? 'IGNORE' : false ),

src/Query/Limit.php

@@ -6,18 +6,21 @@ class Limit extends Fragment {
 
     public int $order = 80;
 
-    protected int $limit = 0;
+    public int $limit = 0;
+    
+    public string $keyword = "LIMIT %d";
 
     public function set($limit) : self
     {
         $this->limit = $limit;
+        
         return $this;
     }
 
     public function render() : string
     {
         return $this->renderSegments([
-            'LIMIT', $this->limit,
+            sprintf($this->keyword, $this->limit)
         ]);
     }
 }

src/Query/Select.php

@@ -10,9 +10,9 @@ class Select extends Fragment {
 
     public bool $union = false;
 
-    public bool $top = false;
+    public ? int $top = null;
 
-    protected $fields = [];
+    protected array $fields = [];
 
     public function set($fields) : self
     {
@@ -37,7 +37,7 @@ class Select extends Fragment {
         return $this->renderSegments([
             ( $this->union ? 'UNION' : false ),
             'SELECT',
-            ( $this->top ? 'TOP' : false ),
+            ( $this->top ? sprintf('TOP (%s)', $this->top) : false ),
             implode(', ', $this->fields)
         ]);
     }