Fix client presence cleanup index

src/ORM/_migrations/FixClientSessionActiveIndex1780863600000.ts

@@ -0,0 +1,40 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class FixClientSessionActiveIndex1780863600000 implements MigrationInterface {
+    public name = 'FixClientSessionActiveIndex1780863600000';
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`DROP INDEX IF EXISTS "IDX_unique_nonce"`);
+        await queryRunner.query(`
+            DELETE FROM "client_entity"
+            WHERE ctid IN (
+                SELECT ctid
+                FROM (
+                    SELECT
+                        ctid,
+                        row_number() OVER (
+                            PARTITION BY "sessionId"
+                            ORDER BY "createdAt" DESC, "id" DESC
+                        ) AS rn
+                    FROM "client_entity"
+                    WHERE "deletedAt" IS NULL
+                ) duplicates
+                WHERE rn > 1
+            )
+        `);
+        await queryRunner.query(`
+            CREATE UNIQUE INDEX IF NOT EXISTS "IDX_unique_nonce"
+            ON "client_entity" ("sessionId")
+            WHERE "deletedAt" IS NULL
+        `);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`DROP INDEX IF EXISTS "IDX_unique_nonce"`);
+        await queryRunner.query(`
+            CREATE UNIQUE INDEX IF NOT EXISTS "IDX_unique_nonce"
+            ON "client_entity" ("sessionId")
+            WHERE "deletedAt" IS NOT NULL
+        `);
+    }
+}