2013/6/8 Giovanni Mascellani <g.mascell...@gmail.com> > Hi. > > Il 05/06/2013 22:52, Dmitriy Igrishin ha scritto: > >> At the moment libpq doesn't seem to support asynchronous and > >> non-blocking support for large objects, in the style of > >> PQsendQuery/PQgetResult. This makes large objects hardly suited for > >> single-threaded programs based on some variant of select(). > >> > > According to http://www.postgresql.org/docs/9.2/static/lo-funcs.html > > "There are server-side functions callable from SQL that correspond to > each > > of > > the client-side functions". Hence, you can call these functions by using > > asynchronous API. > > Thanks, I'll try this way (BTW, it may help to specify on the > documentation that lo_read and lo_write lose the "_"). I wonder whether > having to escape all the content for lowrite can't have a negative > impact on performances. It shouldn't be too bad for my case, though. > You may avoid escaping bytea data by using PQsendPrepare, PQsendQueryPrepared specifying binary data format.
-- // Dmitriy.
