Hi, many thanks for advice. I did research and found some materials about this topic, so will study little bit.
Jano On Tue, Apr 23, 2019 at 12:18 PM Simon King <si...@simonking.org.uk> wrote: > I think you need to consider the transactional behaviour of your > application. Remember that if your application crashes (or more > specifically, if a DB connection is unexpectedly closed), anything > that has not been committed will be lost. > > It is possible for one connection to see data from another connection > before it has been committed, by changing the transaction isolation > level of the connections. See your DB's documentation for details. > > The answers to these questions tend to be application-specific. I > don't think it's possible to give advice that will be correct in every > situation. > > It's possible that you are looking for something more like a message > queue. Databases can be used as message queues, but you need to > understand the implications if you are going to do that. > > Simon > > On Tue, Apr 23, 2019 at 10:53 AM Jan Sakalos <sakal...@gmail.com> wrote: > > > > Hi, > > > > API will add rows to table and main loop will have to read them. > > > > Meanwhile i found out following > > > > ses.commit() will have this effect, but maybe there is more > straightforward command. > > > > As suggested in documentation, session should not live for so long so > maybe it is more suitable to use new session every run (there will be min > 10s sleep). > > > > But not sure if any of this is good approach, also i am in doubt if API > writing directly to db is correct approach, but now it is not critical for > so i will do some more searching on this topic later. > > > > Whats your opinion on this? > > > > Thanks, > > Jano > > > > > > On Tue, Apr 23, 2019 at 10:17 AM Simon King <si...@simonking.org.uk> > wrote: > >> > >> On Mon, Apr 22, 2019 at 5:09 PM Jan Sakalos <sakal...@gmail.com> wrote: > >> > > >> > Hello, > >> > > >> > How to reload data from table/all tables using sqlalchemy ORM? > >> > > >> > Thanks > >> > Jano > >> > > >> > >> Hi, > >> > >> Can you explain what you mean by "reload data"? > >> > >> Thanks, > >> > >> Simon > >> > >> -- > >> 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 full > description. > >> --- > >> You received this message because you are subscribed to the Google > Groups "sqlalchemy" group. > >> To unsubscribe from this group and stop receiving emails from it, send > an email to sqlalchemy+unsubscr...@googlegroups.com. > >> To post to this group, send email to sqlalchemy@googlegroups.com. > >> Visit this group at https://groups.google.com/group/sqlalchemy. > >> For more options, visit https://groups.google.com/d/optout. > > > > -- > > 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 full > description. > > --- > > You received this message because you are subscribed to the Google > Groups "sqlalchemy" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to sqlalchemy+unsubscr...@googlegroups.com. > > To post to this group, send email to sqlalchemy@googlegroups.com. > > Visit this group at https://groups.google.com/group/sqlalchemy. > > For more options, visit https://groups.google.com/d/optout. > > -- > 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 full > description. > --- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sqlalchemy+unsubscr...@googlegroups.com. > To post to this group, send email to sqlalchemy@googlegroups.com. > Visit this group at https://groups.google.com/group/sqlalchemy. > For more options, visit https://groups.google.com/d/optout. > -- 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 full description. --- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at https://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
