1 import ujson
2 import MySQLdb
3 import zlib
4 import base64
5
6 kwargs = {
7 'host': '0.0.0.0',
8 'port': 3307,
9 'db': 'test',
10 'user': 'test_user',
11 'passwd': 'xxxxxxxxxxxx'
12 }
13
14 def trans_data():
15 """
16 将json数据dumps存储到mysql中
17 其中一列数据较大
18 从业务角度压缩数据,存储压缩后的数据,解压数据
19 :return:
20 """
21 conn = MySQLdb.connect(**kwargs)
22 cur = conn.cursor()
23 rows = [200,"success",{"success":[[1229,16,0],[232,6,0],[12690,78,0],[9208,28,0],[13729,89,0],[11247,66,0],[10253,529,0],[11421,424,20],[4725,292,02],[467,242,0],[2213,14,0],[52,6,0],[68,9,0],[69,13,0],[69,9,0],[895,83,0],[818,95,0],[590,65,0],[78,13,0],[0,0,0],[3,1,0]]}]
24 compressed_rows = zlib.compress(ujson.dumps(rows))
25 # to be able to transmit the data we need to encode it
26 final_data = base64.b64encode(compressed_rows)
27 sql_w = '''INSERT INTO test_table (result) VALUES ('{}');'''.format(final_data)
28 cur.execute(sql_w)
29 conn.commit()
30
31 sql_r = """SELECT * FROM test_table WHERE id>13"""
32 cur.execute(sql_r)
33 d = cur.fetchall()
34 for _d in d:
35 _dd = base64.b64decode(_d[1])
36 zlib.decompress(_dd)
37
38 conn.close()