Async IO HTTP server frontend for PostgreSQL

From: Dmitriy Igrishin <dmitigr(at)gmail(dot)com>
To: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Async IO HTTP server frontend for PostgreSQL
Date: 2014-09-08 17:59:00
Message-ID: CAAfz9KOXjom-605=pRZgFSNifoU3mzvbHTT5kGbbL-LzA_38FQ@mail.gmail.com
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Dear community,

I need a %subj% -- high performance HTTP server solution
based on asynchronous IO with ability to run PostgreSQL's
functions from HTML templates asynchronously and passing
the results to the HTTP client.
For example, consider a simple template:
<html>
<div id="rows">
${get_rows(id := :id)}
</div>
</html>
The function get_rows() will be called asynchronously
during the dispatching HTTP request and the result of
it will streams immediately to the HTTP client via async IO.

Currently, I've found only a module for NGINX
https://github.com/FRiCKLE/ngx_postgres
but it does not what I need.

Ideally, it should be a simple C (libevent based) or C++
(boost::asio based) library.

Please, if anyone has a ready solution of the idea described
above, let me know, because I don't want waste my time to write
it from scratch.

--
// Dmitriy.

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