- A lot of work done on bug fixing. Added a new SQLite adapter

src/EntityCollection.php

@@ -146,7 +146,12 @@ class EntityCollection extends \ArrayObject {
         return $this->filtersCollection(fn($obj) => is_a($obj, $className));
     }
 
-    public function column($field, bool $unique = false) : array
+    public function column($field, bool $uniqueValue = false, $keyField = null) : array
+    {
+        return $this->map($field, $keyField, $uniqueValue);
+    }
+
+    public function map($field, $keyField = null, bool $uniqueValue = false) : array
     {
         $list = [];
 
@@ -158,11 +163,23 @@ class EntityCollection extends \ArrayObject {
                 $value = $item->$field;
             }
 
-            if ($unique && in_array($value, $list, true)) {
+            if ($uniqueValue && in_array($value, $list, true)) {
                 continue;
             }
 
-            $list[] = $value;
+            if ( $keyField !== null ) {
+                if ( is_callable($keyField) ) {
+                    $key = call_user_func_array($keyField, [ $item ]);
+                }
+                else {
+                    $key = $item->$keyField;
+                }
+
+                $list[$key] = $value;
+            }
+            else {
+                $list[] = $value;
+            }
         }
 
         return $list;