(airflow) branch v3-1-test updated: [v3-1-test] [BUGFIX] Flush session() before processing Event Buffer (#59314) (#59559)

[potiuk]

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potiuk pushed a commit to branch v3-1-test
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The following commit(s) were added to refs/heads/v3-1-test by this push:
     new cebc88b6982 [v3-1-test] [BUGFIX] Flush session() before processing 
Event Buffer (#59314) (#59559)
cebc88b6982 is described below

commit cebc88b69822ae6ecb2eda34e93a5c9bf86a4e42
Author: github-actions[bot] 
<41898282+github-actions[bot]@users.noreply.github.com>
AuthorDate: Wed Dec 17 12:55:29 2025 +0100

    [v3-1-test] [BUGFIX] Flush session() before processing Event Buffer 
(#59314) (#59559)
    
    (cherry picked from commit e7a1e57fd16f7749f20d30f26b358af7bb01c8d5)
    
    Co-authored-by: Judit Novak <judit.no...@gmail.com>
---
 task-sdk/src/airflow/sdk/definitions/dag.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/task-sdk/src/airflow/sdk/definitions/dag.py 
b/task-sdk/src/airflow/sdk/definitions/dag.py
index d5ae8353bd9..b51012d64a0 100644
--- a/task-sdk/src/airflow/sdk/definitions/dag.py
+++ b/task-sdk/src/airflow/sdk/definitions/dag.py
@@ -1339,6 +1339,8 @@ class DAG:
                             log.exception("Task failed; ti=%s", ti)
                 if use_executor:
                     executor.heartbeat()
+                    session.expire_all()
+
                     from airflow.jobs.scheduler_job_runner import 
SchedulerJobRunner
                     from airflow.models.dagbag import DBDagBag