- WIP on insert/update statement

src/Common/EntityResolver.php

@@ -149,9 +149,27 @@ class EntityResolver {
         return $table->schema ?? null;
     }
 
-    public function primaryKeys() : array
+    public function getPrimaryKeyField() : ? array
+    {        
+        foreach($this->fieldList() as $key => $value) {
+            if ( null !== ( $field = $this->searchFieldAnnotation($key, new Field() ) ) ) {
+                if (false !== $field->attributes['primary_key'] ?? false ) {
+                    return [ $key => $field ];
+                }
+            }
+        }
+        
+        return null;
+    }
+    
+    public function getCompoundKeyFields() : ? array
     {
-
+        return null;
+    }
+    
+    public function getUniqueFields() : ? array
+    {
+        return null;
     }
 
     /**