On Fri, Mar 23, 2018 at 7:41 PM, Colton Allen <cmanalle...@gmail.com> wrote: > I'm moving data from one table to another. During this move I'm preserving > the ID of the old table before dropping it. However, by doing so the > sequence gets out of whack and the database will no longer allow inserts to > the trigger table. What can I do to fix the broken sequence? The id column > is a UUID. > > # Migration > select = sa.select([outcome.c.id, outcome.c.a, outcome.c.b]) > statement = sa.insert(trigger).from_select(['id', 'a', 'b'], select) > connection.execute(statement) > > # Insert some time later > statement = sa.insert(trigger).values(a=1, b=2) > connection.execute(statement) # duplicate key value violates unique > constraint "trigger_pkey"
im confused by "UUID" here vs. "sequence", if you are referring to an integer sequence you can ALTER those so that their starting number is higher. https://www.postgresql.org/docs/10/static/sql-altersequence.html no idea if you're on Postgresql, just guessing > > -- > 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.
