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From: Maciej Sobczak (prog_at_[hidden])
Date: 2006-12-08 02:43:52

Mateusz Loskot wrote:

> Yes, but I can't think (now) about using SOCI with data source which
> doesn't support SQL as mechanism for operating data.

No problem with this. SOCI does not impose any interpretation on the
query string, it might be whatever the backend/server understands. After
all, a single stored procedure call isn't that much SQL specific, right?
It's just the matter of statistics that all existing SOCI backends deal
with SQL servers, but that is not a principle. If anybody jumps in with
the backend for CSV files that use grep/sed parameters' syntax as the
basis for the query language (for example), it will work just fine.


session s("csv:///etc/protocols");
rowset<string> rs = (s.prepare << "1:*");
copy(rs.begin(), rs.end(), ...);

where "1:*" is taken from the top of my head and would mean "first field
from all rows".

That would be the SOCI way to get the list of network protocols on your
Linux machine.

Anybody willing to submit a backend for this? ;-)
(Warning: table joins are more tricky.)

SOCI focuses on *relational data* - the query language doesn't really
matter. That's why I'm a bit reluctant to use SQL in its name.

Maciej Sobczak :
Programming    :

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