I don't think you can get that exact query staying within the ORM's
cross-platform functionality -- I don't think there is anything that can
generate the `::` version of casting... but I think something like this
should produce the same output:
r = session.query( Device.id, Device.name, Device.details )\
.filter( sqlalchemy.sql.expression.cast(Device.details,
sqlalchemy.types.String).like('99') )\
.all()
I'm doing this from memory, so i could be off -- but the general idea is
that you'll `cast` into a `String`, and then run the `like` operator on
that column. The API docs will have the correct format.
That should generate something like :
+ SELECT id,name,details FROM Device WHERE cast(details as text) LIKE
'%99%';
Instead of:
- SELECT id,name,details FROM Device WHERE details::text LIKE '%99%';
If you need to use the `details::text` format, you could use a text literal
in the WHERE clause.
see http://docs.sqlalchemy.org/en/latest/orm/tutorial.html#using-textual-sql
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