phanikumv commented on code in PR #66848:
URL: https://github.com/apache/airflow/pull/66848#discussion_r3385697319
##########
airflow-core/src/airflow/partition_mappers/base.py:
##########
@@ -139,20 +152,34 @@ def to_upstream(self, downstream_key: str) ->
frozenset[str]:
)
def serialize(self) -> dict[str, Any]:
- from airflow.serialization.encoders import encode_partition_mapper,
encode_window
+ # Builtin RollupMappers serialize through ``encode_partition_mapper``
+ # (encoders.py), not this method. Keep the two in sync: a new field
must
+ # be added there (and to ``encode_wait_policy``) too, or it is silently
+ # dropped for builtin instances.
+ from airflow.serialization.encoders import (
+ encode_partition_mapper,
+ encode_wait_policy,
+ encode_window,
+ )
return {
"upstream_mapper": encode_partition_mapper(self.upstream_mapper),
"window": encode_window(self.window),
+ "wait_policy": encode_wait_policy(self.wait_policy),
}
@classmethod
def deserialize(cls, data: dict[str, Any]) -> PartitionMapper:
- from airflow.serialization.decoders import decode_partition_mapper,
decode_window
+ from airflow.serialization.decoders import (
+ decode_partition_mapper,
+ decode_wait_policy,
+ decode_window,
+ )
return cls(
upstream_mapper=decode_partition_mapper(data["upstream_mapper"]),
window=decode_window(data["window"]),
+ wait_policy=decode_wait_policy(data["wait_policy"]),
Review Comment:
```suggestion
wait_policy=decode_wait_policy(data["wait_policy"]) if
"wait_policy" in data else WaitForAll()
```
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