Varrazzo: Thinking psycopg3

Psycopg is the database adapter used by most Python programs needing to work with the PostgreSQL database manager. In this blog post, psycopg maintainer Daniele Varrazzo looks forward to the next major version. "There is a chance now to rethink how thick the C libpq wrapper should be. We can reduce the C implementation to a minimal wrapper around the libpq (replaceable by a CFFI Python wrapper if compiling C is not available on the client), using it as a foundation to build a familiar DBAPI blocking interface. A blocking behaviour is not bad in itself: it allows to write most of the programs, the ones which don't need crazy concurrency, in a simple and familiar paradigm; the async layer would be available under the hood to squeeze the best performance in programs who have embraced an asynchronous pattern and framework."

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