Hmm. Ok.  I'm using a postgres database with the psycopg2 driver.  I'm 
aware of the `statement_timeout` option in `postgres` which I can pass into 
the psycopg2 `connect` method.  As far as I can tell there's not a way to 
pass that keyword in through SQLAlchemy after the db engine has been 
created.  Is that correct?  Does the `query.execution_options`, or 
something in session, accept that keyword?    

On Monday, November 12, 2018 at 3:15:23 PM UTC-5, Mike Bayer wrote:
>
> On Mon, Nov 12, 2018 at 2:08 PM Brian Cherinka <havo...@gmail.com 
> <javascript:>> wrote: 
> > 
> > What's the best way to set a timeout for specific queries?  I have a 
> custom query tool that uses SQLAlchemy to build and submit queries.  This 
> tool can be used in a local python session with a database.  I'm also using 
> it to allow queries in a Flask web-app. In general, I do not want to apply 
> a time limit to all queries, but I only want to apply a time limit of 1 
> minute to queries submitted through the web app.  Given a built SQLAlchemy 
> query and a db session instance, is there any way to set a timeout through 
> the query or session objects without having to recreate a database 
> connection? 
>
> There's no set way to do that at the SQLAlchemy level, this depends 
> very much on the database and the Python driver you are using and may 
> not be possible for every driver. 
>
> > 
> > -- 
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> > The Python SQL Toolkit and Object Relational Mapper 
> > 
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-- 
SQLAlchemy - 
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http://www.sqlalchemy.org/

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