Patch for the pg truncation adapter to prevent an emtpy list of tables from generating an illegal TRUCATE TABLE statement.
Patch for the pg truncation adapter to prevent an emtpy list of tables from
generating an illegal TRUCATE TABLE statement.

amorphid/database_cleaner,0xCCD/database_cleaner,glebtv/database_cleaner,custora/database_cleaner,yangc5/playlister-sinatra-v-000,reinaris/database_cleaner,yangc5/playlister-sinatra-v-000,yangc5/playlister-sinatra-v-000,stanislaw/database_cleaner,yangc5/playlister-sinatra-v-000,yangc5/playlister-sinatra-v-000,yangc5/playlister-sinatra-v-000,claptimes5/database_cleaner,DatabaseCleaner/database_cleaner,avalonmediasystem/database_cleaner,awilkening/database_cleaner,yangc5/playlister-sinatra-v-000,HaiTo/database_cleaner,ericraio/database_cleaner,gentoo/database_cleaner,fajrif/database_cleaner,eliotsykes/database_cleaner,simonmorley/database_cleaner,DatabaseCleaner/database_cleaner