sftf-2 wrote > So question is why this limitaion exists? > > Why PQgetResult(PGconn *conn) operates on connection, > and not on some unique handler that each "PQsend*" could return. > > Is it limitaion of libpq or architecture of postgresql backend or > backend-frontend protocol? IIUC this is a backend Postgres limitation - it was designed in a least complex way where each process acts in a serial fashion. A single process has no way to maintain concurrent state for multiple active queries. David J. -- View this message in context: http://postgresql.nabble.com/libpq-why-only-one-PQsendQuery-per-connection-at-a-time-tp5832803p5832807.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
