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doc(bigquery): add table create sample using integer range partitioning #9478

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45 changes: 45 additions & 0 deletions bigquery/samples/create_table_range_partitioned.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,45 @@
# Copyright 2019 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.


def create_table_range_partitioned(client, table_id):

# [START bigquery_create_table_range_partitioned]
from google.cloud import bigquery

# TODO(developer): Construct a BigQuery client object.
# client = bigquery.Client()

# TODO(developer): Set table_id to the ID of the table to create.
# table_id = "your-project.your_dataset.your_table_name"

schema = [
bigquery.SchemaField("full_name", "STRING"),
bigquery.SchemaField("city", "STRING"),
bigquery.SchemaField("zipcode", "INTEGER"),
]

table = bigquery.Table(table_id, schema=schema)
table.range_partitioning = bigquery.RangePartitioning(
# To use integer range partitioning, select a top-level REQUIRED /
# NULLABLE column with INTEGER / INT64 data type.
field="zipcode",
range_=bigquery.PartitionRange(start=0, end=100000, interval=10),
)
table = client.create_table(table) # Make an API request.
print(
"Created table {}.{}.{}".format(table.project, table.dataset_id, table.table_id)
)
# [END bigquery_create_table_range_partitioned]
return table
28 changes: 28 additions & 0 deletions bigquery/samples/tests/test_create_table_range_partitioned.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
# Copyright 2019 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.


from .. import create_table_range_partitioned


def test_create_table_range_partitioned(capsys, client, random_table_id):
table = create_table_range_partitioned.create_table_range_partitioned(
client, random_table_id
)
out, _ = capsys.readouterr()
assert "Created table {}".format(random_table_id) in out
assert table.range_partitioning.field == "zipcode"
assert table.range_partitioning.range_.start == 0
assert table.range_partitioning.range_.end == 100000
assert table.range_partitioning.range_.interval == 10