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Currently, there is only one non-portable extension to iterate in the
distribution: iterate-pg. If you have made an extension that depends
on non-portable features, feel free to send them to
asf@boinkor.net
for inclusion in the iterate distribution.
The pg package by Eric Marsden (see http://cliki.net/pg)
provides an interface to the PostgreSQL database. Using the
iterpg
extension, it is possible to handle the results of SQL
queries using iter
.
This usage example should give you an idea of how to use it:
(pg:with-pg-connection (c "somedb" "someuser") (iter (for (impl version date) in-relation "select * from version" on-connection *dbconn*) (collect version)))
To use the extension via ASDF, simply make your system
depend on the iterate-pg
system instead of the iterate
system. To
load it manually, use:
(asdf:oos 'asdf:load-op :iterate-pg)