mapbox/tilemill — comment on commit 7632f820964c078e7e46212a4714c7c6d0dde88e
File:  line 0
By springmeyer:

ah, right. ya, we should likely either remove to postgis UI or add to sqlite for consistency. You can pass it as an advanced option - which might be enough. Its only advanced users which will likely write SQL narly enough to break mapnik's table parsing detection.