update mysql migrations

db/mysql/migrations/05_add_visit_id/migration.sql

@@ -0,0 +1,21 @@
+-- AlterTable
+ALTER TABLE "website_event" ADD COLUMN "visit_id" VARCHAR(36) NULL;
+
+UPDATE "website_event" we
+JOIN (SELECT s.session_id,
+        s.visit_time,
+        BIN_TO_UUID(RANDOM_BYTES(16) & 0xffffffffffff0fff3fffffffffffffff | 0x00000000000040008000000000000000) uuid
+    FROM (SELECT DISTINCT session_id,
+            DATE_FORMAT(created_at, '%Y-%m-%d %H:00:00') visit_time
+        FROM umami.website_event) s) a
+    ON we.session_id = a.session_id and DATE_FORMAT(we.created_at, '%Y-%m-%d %H:00:00') = a.visit_time
+SET we.visit_id = a.uuid
+WHERE we.visit_id IS NULL;
+
+ALTER TABLE "website_event" MODIFY "visit_id" VARCHAR(36) NOT NULL;
+
+-- CreateIndex
+CREATE INDEX `website_event_visit_id_idx` ON `website_event`(`visit_id`);
+
+-- CreateIndex
+CREATE INDEX `website_event_website_id_visit_id_created_at_idx` ON `website_event`(`website_id`, `visit_id`, `created_at`);

db/mysql/schema.prisma

@@ -92,6 +92,7 @@ model WebsiteEvent {
   id             String    @id() @map("event_id") @db.VarChar(36)
   websiteId      String    @map("website_id") @db.VarChar(36)
   sessionId      String    @map("session_id") @db.VarChar(36)
+  visitId        String    @map("visit_id") @db.VarChar(36)
   createdAt      DateTime? @default(now()) @map("created_at") @db.Timestamp(0)
   urlPath        String    @map("url_path") @db.VarChar(500)
   urlQuery       String?   @map("url_query") @db.VarChar(500)
@@ -107,6 +108,7 @@ model WebsiteEvent {
 
   @@index([createdAt])
   @@index([sessionId])
+  @@index([visitId])
   @@index([websiteId])
   @@index([websiteId, createdAt])
   @@index([websiteId, createdAt, urlPath])
@@ -115,6 +117,7 @@ model WebsiteEvent {
   @@index([websiteId, createdAt, pageTitle])
   @@index([websiteId, createdAt, eventName])
   @@index([websiteId, sessionId, createdAt])
+  @@index([websiteId, visitId, createdAt])
   @@map("website_event")
 }