sqlexecutorx

Usage Sample ''''''''''''

.. code::

   import sqlexecutorx as db

   if __name__ == '__main__':
      db.init('test.db', driver='sqlite3', debug=True)

      # or
      db.init("postgres://user:password@127.0.0.1:5432/testdb", driver='psycopg2', pool_size=5, debug=True)

      # or
      db.init(host='127.0.0.1', port='5432', user='xxx', password='xxx', database='testdb', driver='psycopg2')

      # if driver is 'pymysql' or 'mysql.connector' of MySQL, the select_key is 'SELECT LAST_INSERT_ID()'
      select_key = "SELECT currval('person_id_seq')"

      id = db.save(select_key, 'INSERT INTO person(name, age) VALUES(%s,%s)', 'wangwu', 38)

      persons = db.select('select id, name, age from person')
      # result:
      # (3, 'zhangsan', 15)
      # (4, 'lisi', 26)
      # (5, 'wangwu', 38)
      # (6, 'zhaoliu', 45)

      persons = db.select_one('select id, name, age from person where name = %s', 'zhangsan')
      # result:
      # (3, 'zhangsan', 15)

      args = [
       ('李四', 55),
       ('王五', 35),
      ]
      db.batch_execute('INSERT INTO person(name,age) VALUES(%s,%s)', *args)

      db.close()

Transaction ''''''''''''

.. code::

   from sqlexecutorx import trans

   @trans
   def test_transaction():
      insert_func(....)
      update_func(....)


   def test_transaction2():
      with trans():
          insert_func(....)
          update_func(....)