fix: add missing insert_format/bulk_insert_format to PostgresGrammar

fastapi_startkit/src/fastapi_startkit/masoniteorm/query/grammars/PostgresGrammar.py

@@ -50,6 +50,12 @@ def update_format(self):
     def delete_format(self):
         return "DELETE FROM {table} {wheres}"
 
+    def insert_format(self):
+        return "INSERT INTO {table} ({columns}) VALUES ({values})"
+
+    def bulk_insert_format(self):
+        return "INSERT INTO {table} ({columns}) VALUES {values}"
+
     def aggregate_string_with_alias(self):
         return "{aggregate_function}({column}) AS {alias}"
 

fastapi_startkit/tests/masoniteorm/postgres/grammar/test_postgres_insert_grammar.py

@@ -0,0 +1,36 @@
+import unittest
+
+from fastapi_startkit.masoniteorm.query.grammars.PostgresGrammar import PostgresGrammar
+
+
+class TestPostgresInsertGrammar(unittest.TestCase):
+    """Grammar-level unit tests — no live Postgres connection required."""
+
+    def test_insert_format_is_defined(self):
+        result = PostgresGrammar().insert_format()
+        self.assertEqual(result, "INSERT INTO {table} ({columns}) VALUES ({values})")
+
+    def test_bulk_insert_format_is_defined(self):
+        result = PostgresGrammar().bulk_insert_format()
+        self.assertEqual(result, "INSERT INTO {table} ({columns}) VALUES {values}")
+
+    def test_compile_bulk_create_builds_multi_row_insert(self):
+        # Regression: PostgresGrammar previously lacked bulk_insert_format(),
+        # so compiling a bulk create raised AttributeError.
+        rows = [
+            {"name": "Joe", "email": "joe@example.com"},
+            {"name": "Bob", "email": "bob@example.com"},
+        ]
+        grammar = PostgresGrammar(columns=rows, table="users")
+
+        sql = grammar.compile("bulk_create")._sql
+
+        self.assertEqual(
+            sql,
+            'INSERT INTO "users" ("name", "email") VALUES '
+            "('Joe', 'joe@example.com'), ('Bob', 'bob@example.com')",
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()