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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time : 2023/4/8 10:12
# @Author : old tom
# @File : fu_dao.py
# @Project : futool-tiny-datahub
# @Desc : 通用dao层
from collections import namedtuple
from common.fudb.connectors.connector_factory import ConnFactory
from common.fudb.dbapis.fu_db_api import select_all, select_one, batch_insert, count, execute_update
class BaseDao(object):
def __init__(self, connector: ConnFactory):
self.connector = connector
def query_all(self, sql):
return select_all(self.connector.get_conn(), sql)
def query_one(self, sql):
return select_one(self.connector.get_conn(), sql)
def count(self, table_name):
return count(self.connector.get_conn(), table_name)
def execute_update(self, sql):
return execute_update(self.connector.get_conn(), sql)
def batch_insert(self, sql_tpl, data, batch_size, db_type='postgresql'):
return batch_insert(self.connector.get_conn(), db_type, sql_tpl, data, batch_size)
def dynamic_update_by_param(self, table_name, condition, param: dict):
"""
动态更新语句
:param condition:
:param table_name: 表名
:param param: 命名元组参数
:return:
"""
sql = f'update {table_name} set '
for k, v in param.items():
sql += f'{k}=' + (f"'{v}'" if isinstance(v, str) else f'{v}') + ","
sql = sql[0: -1]
sql += f' where {condition}'
return self.execute_update(sql)