o_updated`
and none of these ended up working. Do you know if there's a way to specify
an onupdate function to return a SQL column?
On Thursday, May 16, 2019 at 2:49:56 PM UTC-7, Mike Bayer wrote:
>
> On Thu, May 16, 2019 at 4:26 PM Tony Cao > wrote:
> >
> > Ohh I see
>
> On Wed, May 15, 2019 at 6:10 PM Tony Cao > wrote:
> >
> > I mean query.update().
> >
> > Ah our goal was to make it so the update in question happened
> automatically without the developer having to explicitly specify it - in
> that case both obj
the VALUES clause, so you know from your own
> data what the UPDATE statement will be.
>
>
>
> On Wed, May 15, 2019 at 4:14 PM Tony Cao > wrote:
> >
> > Ah but it also looks like the before_update event isn't triggered when
> doing bulk query updates,
t
> inspect(obj).attrs['some_attr'].history
>
>
> https://docs.sqlalchemy.org/en/13/orm/internals.html#sqlalchemy.orm.state.AttributeState
>
>
>
> On Wed, May 15, 2019 at 1:14 PM Tony Cao > wrote:
> >
> > Hi,
> >
> > Thanks for the res
-db-update)
that suggests looking at the history of the attribute state - is there a
better way?
On Wednesday, May 15, 2019 at 7:55:44 AM UTC-7, Mike Bayer wrote:
>
> On Mon, May 13, 2019 at 4:18 PM Tony Cao > wrote:
> >
> > Hi all,
> >
> > Is there way to
Hi all,
Is there way to use Column.onupdate conditionally? For example, say I have:
class A(Base):
foo = Column(String)
bar = Column(String)
foo_updated = Column(DateTime, onupdate=update_fn) # Should only update
when foo is updated
def update_fn(context):
if ...: # How can I ch
