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fix: adding SQL migration for making device_token UNIQUE #202

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merged 3 commits into from
Sep 26, 2023
Merged

fix: adding SQL migration for making device_token UNIQUE #202

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023959a
adding SQL migration for making `device_token` UNIQUE
geekbrother Sep 18, 2023
c9afb19
remove transaction from migration SQL script
geekbrother Sep 20, 2023
83a1d44
update the migration filename to make it after #211
geekbrother Sep 25, 2023
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9 changes: 9 additions & 0 deletions migrations/1695631804_add-unique-device-tokens.sql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
DELETE FROM public.clients
WHERE (device_token, created_at) NOT IN
(
SELECT device_token, MAX(created_at)
FROM public.clients
GROUP BY device_token
);
ALTER TABLE public.clients
ADD CONSTRAINT device_token_unique UNIQUE(device_token);
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