from sqlalchemy import create_engine from sqlalchemy_utils import create_database, database_exists from database import Base from schemas import UserBase, OrderBase def is_db_exist(db_url: str): engine = create_engine( db_url, max_overflow=0, pool_size=16, pool_timeout=5, pool_recycle...
copy fromsqlalchemyimportcreate_engine, Column,Integer,String,fromsqlalchemy.ormimportSession, sessionmaker, declarative_basefromsqlalchemy_utilsimportdatabase_exists,create_database b = mariadb+mariadbconnector://user:***@127.0.0.1:3306/database# 引擎,详见官网engine = create_engine( b, pool_recycl...
Recently after update from sqlalchemy==1.3.13 (working fine) to 1.3.14 (and upper) i discovered that sqlalchemy_utils module started to raise CREATE DATABASE cannot run inside a transaction block error when creating database. psycopg2-bi...
#配置引擎,建立数据库的链接fromsqlalchemyimportcreate_engine,MetaDatafromsqlalchemy.ext.declarativeimportdeclarative_basefromsqlalchemy.ormimportsessionmakerfromsqlalchemy_utilsimportcreate_database,database_exists engine= create_engine("mysql+pymysql://root:密码@机器:3306/数据库名称?charset=utf8&autocommit=...
# 方法一, 利用sqlalchemy_utils库的create_databse模块fromsqlalchemy_utilsimportdatabase_exists, create_database engine =create_engine('mysql+pymysql://root:12345@localhost:3306/spiderdb')ifnotdatabase_exists(engine.url):create_database(engine.url)print(database_exists(engine.url)) ...
# 如果是mysql engine,就要先创建database [root@controller001 home]# cat sqlalchemy_tur_3.py import sqlalchemy from sqlalchemy import create_engine from sqlalchemy_utils import database_exists, create_database # 需要安装sqlalchemy_utils engine = create_engine('mysql://root:dbroot@localhost/sqlal...
一般而言,还是喜欢SQLAlchemy的连接数据库的代码,另外SQLAlchemy也是三个数据库框架中功能最全的,如果只是实现简单的数据库连接池,那么就用dbutils,如果使用ORM,那还是用SQLAlchemy;sqlobject就略过了。 DBUtils 连接数据库 SQLAlchemy连接数据库 本内容参考 Flask使用MySql数据库 ...
sqlalchemy_utils Fix "database in use" error in tests (#776) May 8, 2025 tests Merge pull request#755from torotil/fix-754 Sep 6, 2024 .editorconfig Add pre-commit to increase code quality Oct 25, 2022 .gitignore Add a Read the Docs configuration file; test doc builds ...
项目结构清晰划分，数据库配置置于utils包下的connections.py文件中，而业务代码则在apps包下，以sbdj这个应用作为示例，包含models.py和views.py两部分。为了方便数据库连接操作，我们首先定义了一个Database类，包含engine（数据库连接）和session（对数据库操作的容器），这一步骤位于connections.py文件中。
Database introspection and generation. Database schemas can be "reflected" in one step into Python structures representing database metadata; those same structures can then generate CREATE statements right back out - all within the Core, independent of the ORM. ...