sjyangkevin commented on code in PR #50735:
URL: https://github.com/apache/airflow/pull/50735#discussion_r2096782797
##########
providers/weaviate/src/airflow/providers/weaviate/hooks/weaviate.py:
##########
@@ -190,6 +191,66 @@ def get_collection(self, name: str) -> Collection:
client = self.conn
return client.collections.get(name)
+ def delete_by_property(
+ self,
+ collection_names: list[str] | str,
+ filter_criteria: _Filters,
+ if_error: str = "stop",
+ dry_run: bool = False,
+ verbose: bool = False,
+ ) -> list[str] | None:
+ """
+ Delete objects in collections using a provided Filter object.
+
+ :param collection_names: The name(s) of the collection(s) to delete
from.
+ :param filter_criteria: A `Filter` object defining the filter criteria
for deletion.
+ :param if_error: define the actions to be taken if there is an error
while deleting objects, possible
+ options are `stop` and `continue`
+ :param dry_run: Use 'dry_run' to check how many objects would be
deleted, without actually performing the deletion.
+ :param verbose: Set output to 'verbose' to see more details (ID and
deletion status) for each deletion
+ :return: If `if_error="continue"`, returns list of failed collection
names. Else, returns None.
+
+ Example:
+ >>> from weaviate.classes.query import Filter
+ >>> my_filter = (
+ >>> Filter.by_property("round").equal("Double Jeopardy!") &
+ >>> Filter.by_property("points").less_than(600)
+ >>> )
+ >>> delete_by_filter(
+ >>> collection_names=["collection_a", "collection_b"],
+ >>> filter_criteria=my_filter,
+ >>> if_error="stop"
+ >>> )
+ """
+ collection_names = [collection_names] if isinstance(collection_names,
str) else collection_names
+
+ failed_collection_list = []
+ for collection_name in collection_names:
+ try:
+ self.log.info("Attempting to delete objects from '%s'",
collection_name)
+
+ for attempt in Retrying(
+ stop=stop_after_attempt(3),
+ retry=(
+ retry_if_exception(lambda exc:
check_http_error_is_retryable(exc))
+ | retry_if_exception_type(REQUESTS_EXCEPTIONS_TYPES)
+ ),
+ ):
+ with attempt:
+ self.log.info(attempt)
+ collection = self.get_collection(collection_name)
+ collection.data.delete_many(where=filter_criteria,
verbose=verbose, dry_run=dry_run)
+ except Exception as e:
Review Comment:
Modified the exception handle to capture `UnexpectedStatusCodeException` and
`WeaviateDeleteManyError`. The first one may be raised during `get_collection`
and the second one may be raised during `collection.data.delete_many`. From the
[documentation](https://weaviate-python-client.readthedocs.io/en/stable/weaviate.exceptions.html#weaviate.exceptions.WeaviateDeleteManyError),
the second one seems only to be raised when gRPC request fail.
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