hi,
i workarounded this by using PQsendQuery with eg. "select lowrite($1,$2)".
while it seems to work, i wonder if it's ok to use these functions this way,
given that only some of large object server-side functions are documented
in http://www.postgresql.org/docs/9.0/interactive/lo-funcs.html.
YAMAMOTO Takashi
> hi,
>
> is there any easy way to issue large object operations like lo_write,
> or more generally fast-path calls, asynchronously? (async in the sense
> of PQsendQuery so that i can poll to wait a result)
>
> background: i want to use multiple connections to the server in a single
> application for performance reasons. the application is single-threaded.
> (multi threading is not possible because i need to use a
> pthread-incompatible library.)
> using synchronous api when another asynchronous command is in-progress is
> deadlock-prone as i can't receive the result of asynchronous one until
> the synchronous one finishes.
>
> YAMAMOTO Takashi