Skip to content

Add load function #25

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
msanterre wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Add load function #25

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 11 additions & 0 deletions hyperloglog.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -114,3 +114,14 @@ func (h *HyperLogLog) GobDecode(b []byte) error {
}
return nil
}

func Load(precision uint8, data []byte) (*HyperLogLog, error) {
h, err := New(precision)

if err != nil {
return nil, err
}

h.reg = data
return h, nil
}
15 changes: 15 additions & 0 deletions hyperloglog_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -202,3 +202,18 @@ func TestHLLGob(t *testing.T) {
t.Error("unmarshaled structure differs")
}
}

func TestHLLLoad(t *testing.T) {
precision := uint8(8)
data := []byte{3, 0, 2, 2, 5, 4, 2, 0, 1, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 1, 3, 5, 0, 2, 0, 2, 0, 2, 4, 2, 0, 2, 5, 2, 3, 2, 2, 0, 0, 1, 1, 0, 1, 4, 2, 0, 0, 0, 0, 0, 3, 2, 0, 1, 3, 1, 0, 1, 0, 1, 0, 0, 0, 0, 4, 4, 1, 2, 4, 1, 4, 0, 0, 4, 0, 0, 3, 0, 0, 2, 0, 1, 1, 2, 1, 0, 2, 1, 0, 0, 2, 0, 0, 1, 2, 2, 1, 0, 4, 3, 1, 0, 2, 4, 4, 1, 8, 2, 0, 0, 1, 2, 1, 4, 1, 0, 2, 2, 2, 1, 0, 0, 0, 0, 0, 2, 0, 1, 1, 0, 0, 3, 1, 0, 2, 5, 0, 1, 0, 0, 1, 2, 0, 5, 2, 0, 2, 2, 4, 0, 0, 0, 0, 6, 1, 3, 3, 0, 2, 1, 0, 0, 5, 0, 1, 0, 1, 0, 0, 0, 1, 2, 0, 2, 2, 0, 2, 0, 0, 0, 1, 0, 3, 1, 0, 0, 3, 1, 1, 0, 0, 5, 2, 2, 0, 0, 3, 1, 1, 0, 0, 0, 2, 2, 0, 1, 0, 3, 0, 0, 2, 0, 0, 0, 3, 2, 0, 2, 0, 5, 0, 5, 2, 0, 1, 4, 0, 0, 0, 3, 0, 0, 0, 1, 3, 3, 1, 1, 2, 0, 0, 0, 3, 2, 5, 0, 1, 1, 1, 1, 0, 3, 1, 0}

hll, err := Load(precision, data)

if err != nil {
t.Error(err)
}

if hll.Count() != 211 {
t.Error("Loaded count should be 211")
}
}