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
67
68
69
70
71
72
73
74
75
76
77
78
|
# coding: utf-8
# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------
"""
FILE: sample_query_tables_async.py
DESCRIPTION:
These samples demonstrate the following: listing and querying all Tables within
a storage account.
USAGE:
python sample_query_tables_async.py
Set the environment variables with your own values before running the sample:
1) AZURE_STORAGE_CONNECTION_STRING - the connection string to your storage account
"""
import os
import asyncio
class QueryTables(object):
connection_string = os.getenv("AZURE_TABLES_CONNECTION_STRING")
table_name = "OfficeSupplies"
async def tables_in_account(self):
# Instantiate the TableServiceClient from a connection string
from azure.data.tables.aio import TableServiceClient
table_service = TableServiceClient.from_connection_string(conn_str=self.connection_string)
async with table_service:
await table_service.create_table("mytable1")
await table_service.create_table("mytable2")
try:
# [START tsc_list_tables]
# List all the tables in the service
print("Listing tables:")
async for table in table_service.list_tables():
print("\t{}".format(table.table_name))
# [END tsc_list_tables]
# [START tsc_query_tables]
# Query for "table1" in the tables created
table_name = "mytable1"
name_filter = "TableName eq '{}'".format(table_name)
print("Queried_tables")
async for table in table_service.query_tables(filter=name_filter):
print("\t{}".format(table.table_name))
# [END tsc_query_tables]
finally:
await self.delete_tables()
async def delete_tables(self):
from azure.data.tables.aio import TableServiceClient
ts = TableServiceClient.from_connection_string(conn_str=self.connection_string)
async with ts:
tables = ["mytable1", "mytable2"]
for table in tables:
try:
await ts.delete_table(table_name=table)
except:
pass
async def main():
sample = QueryTables()
await sample.delete_tables()
await sample.tables_in_account()
if __name__ == '__main__':
asyncio.run(main())
|
