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 busunkim96-patch-2

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# Copyright 2018 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

#

# http://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 spanner_functions_quickstart]

from google.cloud import spanner

instance_id = 'test-instance'

database_id = 'example-db'

client = spanner.Client()

instance = client.instance(instance_id)

database = instance.database(database_id)

def spanner_read_data(request):

query = 'SELECT * FROM Albums'

outputs = []

with database.snapshot() as snapshot:

results = snapshot.execute_sql(query)

for row in results:

output = 'SingerId: {}, AlbumId: {}, AlbumTitle: {}'.format(*row)

outputs.append(output)

return '\n'.join(outputs)

# [END spanner_functions_quickstart]