vincbeck commented on code in PR #43826:
URL: https://github.com/apache/airflow/pull/43826#discussion_r1854157839
##########
airflow/dag_processing/collection.py:
##########
@@ -425,3 +427,97 @@ def add_task_asset_references(
for task_id, asset_id in referenced_outlets
if (task_id, asset_id) not in orm_refs
)
+
+ def add_asset_trigger_references(
+ self, assets: dict[tuple[str, str], AssetModel], *, session: Session
+ ) -> None:
+ # Update references from assets being used
+ refs_to_add: dict[tuple[str, str], set[str]] = {}
+ refs_to_remove: dict[tuple[str, str], set[str]] = {}
+ triggers: dict[str, BaseTrigger] = {}
+ for name_uri, asset in self.assets.items():
+ asset_model = assets[name_uri]
+ trigger_repr_to_trigger_dict: dict[str, BaseTrigger] = {
+ repr(trigger): trigger for trigger in asset.watchers
+ }
+ triggers.update(trigger_repr_to_trigger_dict)
+ trigger_repr_from_asset: set[str] =
set(trigger_repr_to_trigger_dict.keys())
+
+ trigger_repr_from_asset_model: set[str] = {
+ BaseTrigger.repr(trigger.classpath, trigger.kwargs) for
trigger in asset_model.triggers
+ }
+
+ # Optimization: no diff between the DB and DAG definitions, no
update needed
+ if trigger_repr_from_asset == trigger_repr_from_asset_model:
+ continue
+
+ diff_to_add = trigger_repr_from_asset -
trigger_repr_from_asset_model
+ diff_to_remove = trigger_repr_from_asset_model -
trigger_repr_from_asset
+ if diff_to_add:
+ refs_to_add[name_uri] = diff_to_add
+ if diff_to_remove:
+ refs_to_remove[name_uri] = diff_to_remove
+
+ if refs_to_add:
+ all_trigger_reprs: set[str] = {
+ trigger_repr for trigger_reprs in refs_to_add.values() for
trigger_repr in trigger_reprs
+ }
+
+ all_trigger_keys: list[tuple[str, str]] = [
Review Comment:
I updated it to make it a set
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