Add missing record cursor indices (bluesky-social#1693)

add missing record cursor inddices

packages/bsky/src/db/migrations/20230929T192920807Z-record-cursor-indexes.ts

@@ -0,0 +1,40 @@
+import { Kysely } from 'kysely'
+
+export async function up(db: Kysely<unknown>): Promise<void> {
+  await db.schema
+    .createIndex('like_creator_cursor_idx')
+    .on('like')
+    .columns(['creator', 'sortAt', 'cid'])
+    .execute()
+  await db.schema
+    .createIndex('follow_creator_cursor_idx')
+    .on('follow')
+    .columns(['creator', 'sortAt', 'cid'])
+    .execute()
+  await db.schema
+    .createIndex('follow_subject_cursor_idx')
+    .on('follow')
+    .columns(['subjectDid', 'sortAt', 'cid'])
+    .execute()
+
+  // drop old indices that are superceded by these
+  await db.schema.dropIndex('like_creator_idx').execute()
+  await db.schema.dropIndex('follow_subjectdid_idx').execute()
+}
+
+export async function down(db: Kysely<unknown>): Promise<void> {
+  await db.schema
+    .createIndex('like_creator_idx')
+    .on('like')
+    .column('creator')
+    .execute()
+  await db.schema
+    .createIndex('follow_subjectdid_idx')
+    .on('follow')
+    .column('subjectDid')
+    .execute()
+
+  await db.schema.dropIndex('like_creator_cursor_idx').execute()
+  await db.schema.dropIndex('follow_creator_cursor_idx').execute()
+  await db.schema.dropIndex('follow_subject_cursor_idx').execute()
+}

packages/bsky/src/db/migrations/index.ts

@@ -29,3 +29,4 @@ export * as _20230830T205507322Z from './20230830T205507322Z-suggested-feeds'
 export * as _20230904T211011773Z from './20230904T211011773Z-block-lists'
 export * as _20230906T222220386Z from './20230906T222220386Z-thread-gating'
 export * as _20230920T213858047Z from './20230920T213858047Z-add-tags-to-post'
+export * as _20230929T192920807Z from './20230929T192920807Z-record-cursor-indexes'