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Asked: 2026-05-31T11:20:40+00:00

I want to create a SQL-like interface for a special data source which I

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I want to create a SQL-like interface for a special data source which I can query using Python. That is, I have a data source with a number of named iterable containers of entities, and I would like to be able to use SQL to filter, join, sort and preferably update/insert/delete as well.

To my understanding, sqlite3’s virtual table functionality is quite suitable for this task. Is it possible to create the necessary bindings in Python? I understand that the glue has to be c-like, but my hope is someone already wrote a Python wrapper in C or using ctypes.

I will also accept an answer for a better/easier way of doing this.

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1 Answer

  1. Editorial Team

    You can do this by registering a virtual table in SQLite with the APSW Python bindings.

    An example for talking to CouchDB using APSW.

    There’s a similar capability for Perl, namely:
    Create SQLite Virtual Table extensions in Perl

    Finally, if you want to make a Python-based virtual table in PostgreSQL 9.1, check out http://multicorn.org/.

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