forked from GoogleCloudPlatform/python-docs-samples
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathsync_query.py
More file actions
executable file
·66 lines (48 loc) · 1.81 KB
/
sync_query.py
File metadata and controls
executable file
·66 lines (48 loc) · 1.81 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
#!/usr/bin/env python
# Copyright 2016 Google Inc. All Rights Reserved.
#
# 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.
"""Command-line application to perform synchronous queries in BigQuery.
For more information, see the README.md under /bigquery.
Example invocation:
$ python sync_query.py \
'SELECT corpus FROM `publicdata.samples.shakespeare` GROUP BY corpus'
"""
import argparse
# [START sync_query]
from gcloud import bigquery
def sync_query(query):
client = bigquery.Client()
query_results = client.run_sync_query(query)
# Use standard SQL syntax for queries.
# See: https://cloud.google.com/bigquery/sql-reference/
query_results.use_legacy_sql = False
query_results.run()
# Drain the query results by requesting a page at a time.
page_token = None
while True:
rows, total_rows, page_token = query_results.fetch_data(
max_results=10,
page_token=page_token)
for row in rows:
print(row)
if not page_token:
break
# [END sync_query]
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description=__doc__,
formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument('query', help='BigQuery SQL Query.')
args = parser.parse_args()
sync_query(args.query)