SQL expressions are intercepted by the SQL Execution events described at https://docs.sqlalchemy.org/en/13/core/events.html#sql-execution-and-connection-events and the main ones are before_execute() and before_cursor_execute(), but it depends on what you want to do. if you want to change how expressions are compiled to strings you would redefine their compilation as described at https://docs.sqlalchemy.org/en/13/core/compiler.html.
On Wed, Sep 30, 2020, at 9:27 PM, brian...@blue-newt.com wrote: > Is there a way to use events with the expression api? > > I see how they're used with ORM and Core, but not expressions. > > Thanks, > Brian > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy-alembic" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sqlalchemy-alembic+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sqlalchemy-alembic/2da059cf-9e55-41eb-8b64-9a79cc978b67n%40googlegroups.com > > <https://groups.google.com/d/msgid/sqlalchemy-alembic/2da059cf-9e55-41eb-8b64-9a79cc978b67n%40googlegroups.com?utm_medium=email&utm_source=footer>. -- You received this message because you are subscribed to the Google Groups "sqlalchemy-alembic" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy-alembic+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy-alembic/8e723ba7-7c02-4b00-bf76-eaf587f29ea6%40www.fastmail.com.