Matrix-Mirrors/anonymousland-synapse
1
0
Fork 0
mirror of https://git.anonymousland.org/anonymousland/synapse.git synced 2025-05-06 12:45:03 -04:00
Code Issues Projects Releases Packages Wiki Activity

Remove redundant COALESCE()s around COUNT()s in database queries (#11570)

Browse source 
`COUNT()` never returns `NULL`. A `COUNT(*)` over 0 rows is 0 and a
`COUNT(NULL)` is also 0.
This commit is contained in:
Sean Quah 2021-12-14 12:34:30 +00:00 • committed by GitHub
parent 33abbc3278
commit a4dce5b53d
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
9 changed files with 20 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

4
synapse/storage/databases/main/monthly_active_users.py
View file

@ -59,7 +59,7 @@ class MonthlyActiveUsersWorkerStore(SQLBaseStore):
def _count_users(txn):
# Exclude app service users
sql = """
SELECT COALESCE(count(*), 0)
SELECT COUNT(*)
FROM monthly_active_users
LEFT JOIN users
ON monthly_active_users.user_id=users.name
@ -86,7 +86,7 @@ class MonthlyActiveUsersWorkerStore(SQLBaseStore):
def _count_users_by_service(txn):
sql = """
SELECT COALESCE(appservice_id, 'native'), COALESCE(count(*), 0)
SELECT COALESCE(appservice_id, 'native'), COUNT(*)
FROM monthly_active_users
LEFT JOIN users ON monthly_active_users.user_id=users.name
GROUP BY appservice_id;