Support hasColumn for nested id

Author: GromNaN

src/Schema/Builder.php

@@ -11,6 +11,7 @@
 use function array_fill_keys;
 use function array_filter;
 use function array_keys;
+use function array_map;
 use function assert;
 use function count;
 use function current;
@@ -19,6 +20,8 @@
 use function iterator_to_array;
 use function sort;
 use function sprintf;
+use function str_ends_with;
+use function substr;
 use function usort;
 
 class Builder extends \Illuminate\Database\Schema\Builder
@@ -42,9 +45,12 @@ public function hasColumn($table, $column): bool
      */
     public function hasColumns($table, array $columns): bool
     {
-        // The field "id" (alias of "_id") is required for all MongoDB documents
+        // The field "id" (alias of "_id") always exist on MongoDB collections
         $columns = array_filter($columns, fn (string $column): bool => ! in_array($column, ['_id', 'id'], true));
 
+        // Any subfield named "*.id" is an alias of "*._id"
+        $columns = array_map(fn (string $column): string => str_ends_with($column, '.id') ? substr($column, 0, -3) . '._id' : $column, $columns);
+
         if ($columns === []) {
             return true;
         }

tests/SchemaTest.php

@@ -377,10 +377,12 @@ public function testHasColumn(): void
         $this->assertTrue(Schema::hasColumn('newcollection', '_id'));
         $this->assertTrue(Schema::hasColumn('newcollection', 'id'));
 
-        DB::connection()->table('newcollection')->insert(['column1' => 'value']);
+        DB::connection()->table('newcollection')->insert(['column1' => 'value', 'embed' => ['_id' => 1]]);
 
         $this->assertTrue(Schema::hasColumn('newcollection', 'column1'));
         $this->assertFalse(Schema::hasColumn('newcollection', 'column2'));
+        $this->assertTrue(Schema::hasColumn('newcollection', 'embed._id'));
+        $this->assertTrue(Schema::hasColumn('newcollection', 'embed.id'));
     }
 
     public function testHasColumns(): void