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update sql to deduplicate rss subscriptions

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This commit is contained in:
Hongbo Wu 2023-10-17 16:41:14 +08:00
parent eb667e04b9
commit 6e79f6c67f
2 changed files with 2 additions and 4 deletions
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1
packages/api/src/resolvers/subscriptions/index.ts
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@ -185,7 +185,6 @@ export const subscribeResolver = authorized<
url: input.url || undefined,
name: input.name || undefined,
user: { id: uid },
status: SubscriptionStatus.Active,
type: input.subscriptionType || SubscriptionType.Rss, // default to rss
})
)

5
packages/db/migrations/0136.do.add_unique_to_subscription_url.sql
View file

@ -6,13 +6,12 @@ BEGIN;
-- Deleting duplicates first to avoid unique constraint violation
WITH DuplicateCTE AS (
SELECT user_id, url,
ROW_NUMBER() OVER (PARTITION BY user_id, url ORDER BY (SELECT NULL)) AS RowNum
SELECT id, ROW_NUMBER() OVER (PARTITION BY user_id, url ORDER BY status, last_fetched_at DESC NULLS LAST) AS row_number
FROM omnivore.subscriptions
WHERE type = 'RSS'
)
DELETE FROM omnivore.subscriptions
WHERE (user_id, url) IN (SELECT user_id, url FROM DuplicateCTE WHERE RowNum > 1);
WHERE id IN (SELECT id FROM DuplicateCTE WHERE row_number > 1);
ALTER TABLE omnivore.subscriptions ADD CONSTRAINT subscriptions_user_id_url_key UNIQUE (user_id, url);