From 718da45cb903643c8eacf9b661d44b0c71619033 Mon Sep 17 00:00:00 2001
From: "maxime.c" <maxime@airbyte.io>
Date: Tue, 14 Oct 2025 09:50:51 -0400
Subject: [PATCH] fix parent state cursor fallback

---
 .../sources/declarative/parsers/model_to_component_factory.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/airbyte_cdk/sources/declarative/parsers/model_to_component_factory.py b/airbyte_cdk/sources/declarative/parsers/model_to_component_factory.py
index f58aa30e5..b674b5f90 100644
--- a/airbyte_cdk/sources/declarative/parsers/model_to_component_factory.py
+++ b/airbyte_cdk/sources/declarative/parsers/model_to_component_factory.py
@@ -3865,7 +3865,9 @@ def _instantiate_parent_stream_state_manager(
 
                 if not parent_state and not isinstance(parent_state, dict):
                     cursor_values = child_state.values()
-                    if cursor_values:
+                    if cursor_values and len(cursor_values) == 1:
+                        # We assume the child state is a pair `{<cursor_field>: <cursor_value>}` and we will use the
+                        # cursor value as a parent state.
                         incremental_sync_model: Union[
                             DatetimeBasedCursorModel,
                             IncrementingCountCursorModel,