Thank you very much. I tried that and it is working perfectly for me. On Wednesday, June 17, 2020 at 3:12:04 AM UTC+5:30, Jonathan Vanasco wrote: > > If this just needs this to be rendered for PostgreSQL, you can use the > `func` generator: > > > https://docs.sqlalchemy.org/en/13/core/sqlelement.html#sqlalchemy.sql.expression.func > > from sqlalchemy.sql.expression import func > > query = session.query(Foo).filter(func.bit_or(Foo.cola, Foo.colb)... > > > `func` is a special namespace and will render UNKNOWN functions as you > invoke them. > > This simple solution to render the correct sql works for most people. > > If you have more specific needs, such as using this within python > comparisons, you will need to read the docs on Custom types ( > https://docs.sqlalchemy.org/en/13/core/custom_types.html); if you need > this to work on multiple different databases you may have to write a custom > compiler for each supported one ( > https://docs.sqlalchemy.org/en/13/core/compiler.html > <https://docs.sqlalchemy.org/en/13/core/compiler.html?highlight=type%20compilation> > ) > > > > >
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