yes use the PrimaryKeyConstraint() construct
https://docs.sqlalchemy.org/en/13/core/constraints.html?highlight=primarykeyconstraint#sqlalchemy.schema.PrimaryKeyConstraint here you'd want to put it in your __table_args__ and remove primary_key=True from each column On Mon, Jun 1, 2020, at 6:16 PM, Jonathan Vanasco wrote: > is it possible to force the order of primary keys? > > for example in this setup... > > class AcmeDnsServer2Domain(Base): > __tablename__ = "acme_dns_server_2_domain" > acme_dns_server_id = sa.Column( > sa.Integer, sa.ForeignKey("acme_dns_server.id"), primary_key=True > ) > domain_id = sa.Column( > sa.Integer, sa.ForeignKey("domain.id"), primary_key=True > ) > > I want to influence the creation of the primary key to be > ["acme_dns_server_id", "domain_id"] > > In several projects I've worked on, the order has been important. (it can > affect query planning and caching) > > I thought I had seen something in the docs several years ago, but I just > spend a few fruitless minutes trying to find it. > > -- > 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 view this discussion on the web visit > https://groups.google.com/d/msgid/sqlalchemy/6728fb39-f5d9-4c97-a8b3-7df7fd918efa%40googlegroups.com > > <https://groups.google.com/d/msgid/sqlalchemy/6728fb39-f5d9-4c97-a8b3-7df7fd918efa%40googlegroups.com?utm_medium=email&utm_source=footer>. -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/c3a48f3a-ad38-4881-9bb8-da8006d45cf3%40www.fastmail.com.
