diff --git a/rattail/db/model/batch/purchase.py b/rattail/db/model/batch/purchase.py
index 18165872d4dfbbef18028889f7ebb39d85667584..285dd704dbf92f12eae2bbd0259e24e47c4742e1 100644
--- a/rattail/db/model/batch/purchase.py
+++ b/rattail/db/model/batch/purchase.py
@@ -88,6 +88,15 @@ class PurchaseBatch(BatchMixin, PurchaseBase, Base):
     Numeric "mode" for the purchase batch, to indicate new/receiving etc.
     """)
 
+    order_file = filename_column(nullable=True, doc="""
+    Base name for the associated order file, if any.
+    """)
+
+    order_parser_key = sa.Column(sa.String(length=100), nullable=True, doc="""
+    The key of the parser used to read the contents of the order file,
+    if applicable.
+    """)
+
     invoice_file = filename_column(doc="Base name for the associated invoice file, if any.")
 
     invoice_parser_key = sa.Column(sa.String(length=100), nullable=True, doc="""