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query_filter_or.py
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query_filter_or.py
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# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# [START firestore_query_filter_or]
from google.cloud import firestore
from google.cloud.firestore_v1.base_query import FieldFilter, Or
def query_or_composite_filter(project_id: str) -> None:
# Instantiate the Firestore client
client = firestore.Client(project=project_id)
col_ref = client.collection("users")
filter_1 = FieldFilter("birthYear", "==", 1906)
filter_2 = FieldFilter("birthYear", "==", 1912)
# Create the union filter of the two filters (queries)
or_filter = Or(filters=[filter_1, filter_2])
# Execute the query
docs = col_ref.where(filter=or_filter).stream()
print("Documents found:")
for doc in docs:
print(f"ID: {doc.id}")
# [END firestore_query_filter_or]