the classes will have many-to-many relationships set up that use this table, see https://docs.sqlalchemy.org/en/latest/orm/extensions/automap.html#many-to-many-relationships On Fri, Dec 14, 2018 at 5:28 PM 'irphinx' via sqlalchemy <sqlalchemy@googlegroups.com> wrote: > > > I am having problems getting a list of table classes > using automap_base when the table has a composite primary key. > Not sure if this is the intended behaviour. > > When I try to get the list tables classes using automap_base, > I only get tables 'a' and 'b' below and not table 'ab'. > > This is using sqlalchemy 1.2.15. > This example was tested with sqlite3 but I get the same issue with Postgres > > Here is the schema: > > CREATE TABLE a ( > id INTEGER, > PRIMARY KEY(id) > ); > > > CREATE TABLE b ( > id INTEGER, > PRIMARY KEY(id) > ); > > > CREATE TABLE ab ( > a_id INTEGER NOT NULL, > b_id INTEGER NOT NULL, > FOREIGN KEY(a_id) REFERENCES a(id), > FOREIGN KEY(b_id) REFERENCES b(id), > PRIMARY KEY (a_id, b_id) > ); > > > > Base = automap_base() > engine = create_engine("sqlite:///mydb.db") > Base.prepare(engine, reflect=True) > print ('classes {}'.format(Base.classes.keys())) > > > -- > 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.
