(PDB-1254) Fix naming conventions for indexes for latest migration
(PDB-1254) Fix naming conventions for indexes for latest migration

Fix the index naming conventions for the latest migration to be
<table>_<column>_idx.

Signed-off-by: Ken Barber <470bc578162732ac7f9d387d34c4af4ca6e1b6f7@bob.sh>

ajroetker/puppetdb,kbrezina/puppetdb,puppetlabs/puppetdb,senior/puppetdb,highb/puppetdb,kbrezina/puppetdb,grimradical/puppetdb,rbrw/puppetdb,kbarber/puppetdb,puppetlabs/puppetdb,rbrw/puppetdb,johnduarte/puppetdb,johnduarte/puppetdb,highb/puppetdb,kbrezina/puppetdb,highb/puppetdb,ajroetker/puppetdb,kbrezina/puppetdb,waynr/puppetdb,waynr/puppetdb,wkalt/puppetdb,grimradical/puppetdb,senior/puppetdb,kbarber/puppetdb,mullr/puppetdb,kbarber/puppetdb,shrug/puppetdb,wkalt/puppetdb,puppetlabs/puppetdb,highb/puppetdb,waynr/puppetdb,rbrw/puppetdb,johnduarte/puppetdb,mullr/puppetdb,rbrw/puppetdb,johnduarte/puppetdb,ajroetker/puppetdb,rbrw/puppetdb,shrug/puppetdb,senior/puppetdb,shrug/puppetdb,ajroetker/puppetdb,wkalt/puppetdb,mullr/puppetdb,puppetlabs/puppetdb,mullr/puppetdb,shrug/puppetdb,kbarber/puppetdb,grimradical/puppetdb,senior/puppetdb,mullr/puppetdb,waynr/puppetdb,puppetlabs/puppetdb,wkalt/puppetdb,grimradical/puppetdb