Database.primaryKey(): work around an SQLite bug
Database.primaryKey(): work around an SQLite bug

groue/GRDB.swift,zmeyc/GRDB.swift,groue/GRDB.swift,groue/GRDB.swift,zmeyc/GRDB.swift,groue/GRDB.swift,zmeyc/GRDB.swift,zmeyc/GRDB.swift