[sqlalchemy] Re: Selecting distinct entries based on max timestamp

2016-11-21 Thread Jonathan Vanasco
FWIW, I recently had a similar situation and ended using 2 tables -- one as a transaction log and the other with a constantly updated entry. While your approach worked fine, the database performed significantly better with 2 tables because the (vast) majority of queries only needed the most

[sqlalchemy] Re: Selecting distinct entries based on max timestamp

2016-11-21 Thread bkc
Thanks for the book reference Jonathan, it looks very useful! -- SQLAlchemy - The Python SQL Toolkit and Object Relational Mapper http://www.sqlalchemy.org/ To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a

[sqlalchemy] Re: Selecting distinct entries based on max timestamp

2016-11-21 Thread Paul Giralt
Than you Mike and Jonathan for your replies. I will experiment with this and let you know how it works out. -- SQLAlchemy - The Python SQL Toolkit and Object Relational Mapper http://www.sqlalchemy.org/ To post example code, please provide an MCVE: Minimal, Complete, and Verifiable

[sqlalchemy] Re: Selecting distinct entries based on max timestamp

2016-11-18 Thread Jonathan Rogers
On Friday, November 18, 2016 at 2:08:05 PM UTC-5, Paul Giralt wrote: > > I'm having trouble figuring out how to accomplish this task using > SQLAlchemy. Basically I have a table that maps a user's skill levels as > follows: > > class Skillmap(db.Model): > __tablename__ = 'skillmap' >