Re: Weird prepared stmt behavior - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Weird prepared stmt behavior
Date
Msg-id 9112.1083375892@sss.pgh.pa.us
Whole thread Raw
In response to Weird prepared stmt behavior  (Alvaro Herrera <alvherre@dcc.uchile.cl>)
Responses Re: Weird prepared stmt behavior  (Alvaro Herrera <alvherre@dcc.uchile.cl>)
Re: Weird prepared stmt behavior  (Greg Stark <gsstark@mit.edu>)
List pgsql-hackers
Alvaro Herrera <alvherre@dcc.uchile.cl> writes:
> Is this expected?  If so, why?  I'd expect the prepared stmt to be
> deallocated.

prepare.c probably should have provisions for rolling back its state to
the start of a failed transaction ... but it doesn't.

Before jumping into doing that, though, I'd want to have some
discussions about the implications for the V3 protocol's notion of
prepared statements.  The protocol spec does not say anything that
would suggest that prepared statements are lost on transaction rollback,
and offhand it seems like they shouldn't be because the protocol is
lower-level than transactions.
        regards, tom lane


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