RickyXuPengfei/CRUD

crud for Humans™

CURD

Description

CURD is a database client realizing crud operation for Cassandra and Mysql.

Supported operations: create select update delete

Supported Data Source: Cassandra Mysql Hive (COMING SOON)

Examples

Read

connector = new_mysql_connector(database='INSERT DATABASE', connection=MYSQL)
rows = connector.select(table='INSERT TABLE', fields=['dt', 'category', 'store_name', 'discount_price'],
                        filters=[('dt', '=', '2018-05-09')], order_by=['category'], limit=100)

[OrderedDict([('dt', datetime.date(2018, 5, 9)),
              ('category', 'babycare'),
              ('store_name', 'moony京东官方旗舰店'),
              ('discount_price', 109.0)]),
 OrderedDict([('dt', datetime.date(2018, 5, 9)),
              ('category', 'babycare'),
              ('store_name', 'Pampers京东自营旗舰店'),
              ('discount_price', 115.0)]),
 OrderedDict([('dt', datetime.date(2018, 5, 9)),
              ('category', 'babycare'),
              ('store_name', '菲比自营旗舰店'),
              ('discount_price', 113.85)]),
 OrderedDict([('dt', datetime.date(2018, 5, 9)),
              ('category', 'babycare'),
              ('store_name', '好奇自营官方旗舰店'),
              ('discount_price', 142.29)]),
 OrderedDict([('dt', datetime.date(2018, 5, 9)),
              ('category', 'babycare'),
              ('store_name', '好奇自营官方旗舰店'),
              ('discount_price', 134.16)])]

Create

connector.create(table='INSERT TABLE', data=rows, mode='INSERT')

Update

data = {"discount_price": 110}
    connector.update(table='INSERT TABLE', filters=[('dt', '=', '2018-05-09'), ('store_name', '=', 'xxx')],
                     data=data)

Delete

connector.delete(table='INSERT TABLE', filters=[('store_name', '=', 'xxx')])