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perf(database): index ProjectAlert.channelId so alert-channel deletes stop seq-scanning#4554

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ericallam merged 1 commit into from
Aug 10, 2026
+10 −0
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perf(database): index ProjectAlert.channelId so alert-channel deletes stop seq-scanning #4554

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6 changes: 6 additions & 0 deletions .server-changes/project-alert-channel-id-index.md
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@@ -0,0 +1,6 @@
---
area: webapp
type: improvement
---

Deleting an alert channel is now fast and no longer slows down as a project builds up alert history.
2 changes: 2 additions & 0 deletions ...atabase/prisma/migrations/20260810120000_add_project_alert_channel_id_index/migration.sql
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-- CreateIndex
CREATE INDEX CONCURRENTLY IF NOT EXISTS "ProjectAlert_channelId_idx" ON "public"."ProjectAlert"("channelId");
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2 changes: 2 additions & 0 deletions internal-packages/database/prisma/schema.prisma
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Expand Up@@ -2412,6 +2412,8 @@ model ProjectAlert {

createdAt DateTime @default(now())
updatedAt DateTime @updatedAt

@@index([channelId])
}

enum ProjectAlertType {
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