package sqlite import "github.com/corona10/goimagehash" func phashDistanceFn(phash1 int64, phash2 int64) (int64, error) { hash1 := goimagehash.NewImageHash(uint64(phash1), goimagehash.PHash) hash2 := goimagehash.NewImageHash(uint64(phash2), goimagehash.PHash) distance, _ := hash1.Distance(hash2) return int64(distance), nil }