On 2011-11-03 17:26, Marko Kreen wrote:
On Mon, Oct 31, 2011 at 7:09 PM, Tom Lane<t...@sss.pgh.pa.us> wrote:
Can't you do that today with a multi-command string submitted to
PQsendQuery, followed by multiple calls to PQgetResult?
It's more annoying to to error handling on that, plus it still keeps the
blocking behaviour, just with larger blocks.
You can combine multi-command query strings with nonblocking mode,
without any change in libpq itself.
In fact that's exactly what the libpqxx "pipeline" class does. So if
you're working in C++, you already have this feature at your disposal.
Also I would ask for opposite feature: "multiple rows in flight".
That means that when server is sending big resultset,
the app can process it row-by-row (or by 10 rows)
without stopping the stream and re-requesting.
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