Merge pull request #1668 from serlo/fix-events-entity-link-to-taxonom…

…y-dissociate

feat(db-migration): fix events that were wrongly saved as entity link remove

packages/db-migrations/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@serlo/db-migrations",
-  "version": "1.2.0-staging.1",
+  "version": "1.2.0-staging.2",
   "private": true,
   "license": "Apache-2.0",
   "type": "module",

packages/db-migrations/src/20240711142800-fix-events-taxonomy-disassociate-wrongly-saved-as-entity-link-remove.ts

@@ -0,0 +1,26 @@
+import { Database, SlackLogger } from './utils'
+
+export async function up(db: Database) {
+  const logger = new SlackLogger(
+    '20240711142800-fix-events-taxonomy-disassociate-wrongly-saved-as-entity-link-remove',
+  )
+  await db.runSql(
+    `UPDATE event
+      JOIN (
+        SELECT event.id AS eventId,
+              uuid_parameter AS taxonomyId,
+              uuid_id AS entityId 
+        FROM event 
+        JOIN event_type ON event_type_id = event_type.id
+        JOIN uuid ON uuid_parameter = uuid.id 
+        WHERE event_type.name = 'entity/link/remove' 
+          AND discriminator = 'taxonomyTerm'
+      ) AS wrongEvent
+    ON event.id = wrongEvent.eventId
+    SET event.event_type_id = 17,
+        event.uuid_id = wrongEvent.taxonomyId,
+        event.uuid_parameter = wrongEvent.entityId`,
+  )
+
+  await logger.closeAndSend()
+}