Indexes search for exact match rather than submatches

[Hydrocharged]

No description provided.

[zachmu]

Nice catch! This is definitely a bug, but this is not the right fix. The sublist logic is just plain wrong. This code is really old, left over from before my rewrite of indexes. I think it's basically tailor made for pilosa indexes, but most database indexes don't work like that: if partial matching is supported, the order of the keys matters.

You should enforce an exact match, not a subset match. And there should be a couple unit tests of this behavior.

[Hydrocharged]

Switching the order of the two indexes in indexes_test.go was enough to trigger the issue that is being fixed in existing tests (which were updated), and I added another (simpler) test into the mix just as a verification.

[zachmu]

LG!