From 97cf4833021d9b742bba442c8cbc5c27f826065e Mon Sep 17 00:00:00 2001
From: Steve Korshakov <steve@korshakov.com>
Date: Tue, 19 Aug 2025 22:29:30 -0700
Subject: [PATCH] fix: fix query performance

---
 .../20250820051609_add_session_id_seq_index/migration.sql     | 2 ++
 .../migrations/20250820052449_add_session_sort/migration.sql  | 2 ++
 prisma/schema.prisma                                          | 4 +++-
 3 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 prisma/migrations/20250820051609_add_session_id_seq_index/migration.sql
 create mode 100644 prisma/migrations/20250820052449_add_session_sort/migration.sql

diff --git a/prisma/migrations/20250820051609_add_session_id_seq_index/migration.sql b/prisma/migrations/20250820051609_add_session_id_seq_index/migration.sql
new file mode 100644
index 0000000..3db604c
--- /dev/null
+++ b/prisma/migrations/20250820051609_add_session_id_seq_index/migration.sql
@@ -0,0 +1,2 @@
+-- CreateIndex
+CREATE INDEX "SessionMessage_sessionId_seq_idx" ON "SessionMessage"("sessionId", "seq");
diff --git a/prisma/migrations/20250820052449_add_session_sort/migration.sql b/prisma/migrations/20250820052449_add_session_sort/migration.sql
new file mode 100644
index 0000000..57e02cf
--- /dev/null
+++ b/prisma/migrations/20250820052449_add_session_sort/migration.sql
@@ -0,0 +1,2 @@
+-- CreateIndex
+CREATE INDEX "Session_accountId_updatedAt_idx" ON "Session"("accountId", "updatedAt" DESC);
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 9706b0e..9759dab 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -3,7 +3,7 @@
 
 generator client {
     provider        = "prisma-client-js"
-    previewFeatures = ["metrics"]
+    previewFeatures = ["metrics", "relationJoins"]
 }
 
 generator json {
@@ -88,6 +88,7 @@ model Session {
     usageReports      UsageReport[]
 
     @@unique([accountId, tag])
+    @@index([accountId, updatedAt(sort: Desc)])
 }
 
 model SessionMessage {
@@ -102,6 +103,7 @@ model SessionMessage {
     updatedAt DateTime @updatedAt
 
     @@unique([sessionId, localId])
+    @@index([sessionId, seq])
 }
 
 //