Hi Simon, It all works. All I need is how to do:
Model.query.options(load_only(Model.array[1])).all() ? Thanks On Tue, Nov 8, 2016 at 10:56 AM, Simon King <si...@simonking.org.uk> wrote: > On Tue, Nov 8, 2016 at 9:31 AM, Dorian Hoxha <dorian.ho...@gmail.com> > wrote: > > So, > > > > I want to do "SELECT array[1] FROM table;". Meaning to select only 1 > > element. Is this possible (didn't find by searching > > docs,mailing-list,google). > > Though I can do it by normal query. > > > > I haven't used arrays with postgresql, so I've no idea if this works, > but for documentation you probably want to start here: > > http://docs.sqlalchemy.org/en/latest/core/type_basics.html# > sqlalchemy.types.ARRAY > > According to those docs, if you've declared a table with a column > using the ARRAY type, you should be able to query elements of the > array using python indexing operators. For example: > > table = sa.Table('mytable', metadata, sa.Column('array', > sa.ARRAY(sa.Integer))) > sa.select([table.c.array[1]]) > > Hope that helps, > > 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 a topic in the > Google Groups "sqlalchemy" group. > To unsubscribe from this topic, visit https://groups.google.com/d/ > topic/sqlalchemy/dkOnyUkgRX4/unsubscribe. > To unsubscribe from this group and all its topics, 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.
