Optimize SQL queries

1 files changed, 41 insertions, 0 deletions

diff --git a/server/initializers/migrations/0235-delete-some-video-indexes.ts b/server/initializers/migrations/0235-delete-some-video-indexes.ts
new file mode 100644
index 000000000..e362f240c
--- /dev/null
+++ b/server/initializers/migrations/0235-delete-some-video-indexes.ts
@@ -0,0 +1,41 @@
+import * as Sequelize from 'sequelize'
+import { createClient } from 'redis'
+import { CONFIG } from '../constants'
+import { JobQueue } from '../../lib/job-queue'
+import { initDatabaseModels } from '../database'
+
+async function up (utils: {
+  transaction: Sequelize.Transaction
+  queryInterface: Sequelize.QueryInterface
+  sequelize: Sequelize.Sequelize
+}): Promise<any> {
+  await utils.sequelize.query('DROP INDEX IF EXISTS video_id_privacy_state_wait_transcoding;')
+  await utils.sequelize.query('DROP INDEX IF EXISTS video_name;')
+
+  for (let i = 0; i < 5; i++) {
+    const query = 'DELETE FROM "videoFile" WHERE id IN ' +
+      '(SELECT id FROM (SELECT MIN(id) AS id, "videoId", "resolution", "fps" ' +
+      'FROM "videoFile" GROUP BY "videoId", "resolution", "fps" HAVING COUNT(*) > 1) t)'
+    await utils.sequelize.query(query)
+  }
+
+  for (let i = 0; i < 5; i++) {
+    const query = 'DELETE FROM "actor" WHERE id IN ' +
+      '(SELECT id FROM (SELECT MIN(id) AS id, "uuid" ' +
+      'FROM "actor" GROUP BY "uuid" HAVING COUNT(*) > 1) t)'
+    await utils.sequelize.query(query)
+  }
+
+  for (let i = 0; i < 5; i++) {
+    const query = 'DELETE FROM "account" WHERE id IN ' +
+      '(SELECT id FROM (SELECT MIN(id) AS id, "actorId" ' +
+      'FROM "account" GROUP BY "actorId" HAVING COUNT(*) > 1) t)'
+    await utils.sequelize.query(query)
+  }
+}
+
+function down (options) {
+  throw new Error('Not implemented.')
+}
+
+export { up, down }