alter_column missing server_onupdate?

[Bert JW Regeer]

Hey all,

After perusing the documentation, I am just making sure I am not an idiot
and overlooked something, but is altering server_onupdate possible with
`alter_coumn`?

Thanks,
Bert JW Regeer

[Mike Bayer]

server_onupdate is not an actual "server side" construct, it's a
marker on the client side only to instruct SQLAlchemy that some
trigger or something set up separately will be changing the value of
the column when an UPDATE occurs.

Post by Bert JW Regeer
Hey all,
After perusing the documentation, I am just making sure I am not an idiot and overlooked something, but is altering server_onupdate possible with `alter_coumn`?
Thanks,
Bert JW Regeer
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[Bert JW Regeer]

Thanks for the reply Mike.

This is something I clearly misunderstood, and I realised that late last
night after reading the docs but didn't follow-up here.

The naming is confusing, since `server_default` ends up in the DDL, but
server_onupdate doesn't. Even though the latter is named similar to
onupdate on a Foreignkey, which is server side.

I'll have to go back and add triggers for updated columns that should get
automatically updated when a change occurs. Do you know if there is a
recipe for this already somewhere?

Thanks,
Bert JW Regeer

Post by Mike Bayer
server_onupdate is not an actual "server side" construct, it's a
marker on the client side only to instruct SQLAlchemy that some
trigger or something set up separately will be changing the value of
the column when an UPDATE occurs.

Post by Bert JW Regeer
Hey all,
After perusing the documentation, I am just making sure I am not an

idiot and overlooked something, but is altering server_onupdate possible
with `alter_coumn`?

Post by Bert JW Regeer
Thanks,
Bert JW Regeer
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