jeremyevans/sequel — pull request #444 by kf8a (2012-02-20 18:39:23+00:00)
Title: NaN and +/-Infinity needs to be quoted for floating point values in postgresql 

It looks like postgres requires Nan and Infinity to be quoted when trying to insert them into a table. This is a tiny patch check for these values by overriding literal_float in the postgres adapter and adding the required quotes.