参考 1：https://www.cnblogs.com/rgcLOVEyaya/p/RGC_LOVE_YAYA_605days.html
参考 2：https://gitee.com/Green-unicorn/codes/1u8rlt03gvpic7xfwz9je12
engine = create_engine(ProdConfig.SQLALCHEMY_DATABASE_URI, echo=True) | |
app = Flask(__name__) | |
app.config['FLASKY_DB_QUERY_TIMEOUT'] = 0.0001 # 设置 sql 执行超时时间，# 记录执行时间超过 0.0001 秒的 | |
app.config['SQLALCHEMY_COMMIT_ON_TEARDOWN'] = True # 断开设置 | |
app.config['SQLALCHEMY_RECORD_QUERIES'] = True # 启用慢查询记录功能 | |
from flask_sqlalchemy import get_debug_queries | |
@app.after_request | |
def after_request(response): | |
for query in get_debug_queries(): | |
if query.duration >= app.config['FLASKY_DB_QUERY_TIMEOUT']: | |
print('#####Slow query:%s \nParameters:%s \nDuration:%fs\nContext:%s\n #####' % | |
(query.statement, query.parameters, query.duration,query.context)) # 打印超时 sql 执行信息 | |
return response | |
@app.teardown_request | |
def handle_teardown_request(ex): | |
db.session.remove() |
