Skip to content

add anyLast function #100

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

Merged
merged 4 commits into from
Nov 11, 2024
+23 −0
Merged

add anyLast function #100

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
bc116a9
feat(aggragation-function): add anyLast function
amin-basiri Sep 10, 2024
d047e02
feat(aggragation-function): add anyLast function
amin-basiri Sep 10, 2024
a91a9d8
feat(aggragation-function): add anyLast function
amin-basiri Sep 17, 2024
57910fc
feat(aggragation-function): add anyLast function
amin-basiri Sep 25, 2024
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
5 changes: 5 additions & 0 deletions clickhouse_backend/models/aggregates.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
"uniqCombined64",
"uniqHLL12",
"uniqTheta",
"anyLast",
]


Expand Down Expand Up @@ -62,3 +63,7 @@ class uniqHLL12(uniq):

class uniqTheta(uniq):
pass


class anyLast(Aggregate):
pass
18 changes: 18 additions & 0 deletions tests/aggregates/tests.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
from django.test import TestCase

from clickhouse_backend.models import (
anyLast,
uniq,
uniqCombined,
uniqCombined64,
Expand All @@ -28,6 +29,14 @@ class AggregatesTestCase(TestCase):
{"show": "Game of Thrones", "episode": "S1E2", "uid_count": 1},
]

expected_result_any_last = [
{"uid": "alice", "user_last_watched_show": "Game of Thrones"},
{"uid": "bob", "user_last_watched_show": "Bridgerton"},
{"uid": "carol", "user_last_watched_show": "Bridgerton"},
{"uid": "dan", "user_last_watched_show": "Bridgerton"},
{"uid": "erin", "user_last_watched_show": "Game of Thrones"},
]

@classmethod
def setUpTestData(cls):
data_list = [
Expand Down Expand Up @@ -227,3 +236,12 @@ def test_uniqhll12(self):

def test_uniqtheta(self):
self._test(uniqTheta)

def test_anylast(self):
result = (
WatchSeries.objects.values("uid")
.annotate(user_last_watched_show=anyLast("show"))
.order_by("uid")
)

self.assertQuerysetEqual(result, self.expected_result_any_last, transform=dict)