use primary for reading eventbuffer

packages/db/src/buffers/event-buffer-psql.ts

@@ -245,13 +245,16 @@ export class EventBuffer extends BaseBuffer {
     projectId: string;
     profileId: string;
   }): Promise<IServiceEvent | null> {
-    const event = await db.eventBuffer.findFirst({
+    const event = await db.$primary().eventBuffer.findFirst({
       where: {
         projectId,
         profileId,
         name: 'screen_view',
       },
       orderBy: { createdAt: 'desc' },
+      select: {
+        payload: true,
+      },
     });
 
     if (event) {

packages/db/src/buffers/profile-buffer-psql.ts

@@ -122,6 +122,11 @@ export class ProfileBuffer extends BaseBuffer {
         orderBy: {
           createdAt: 'desc',
         },
+        select: {
+          checksum: true,
+          payload: true,
+          id: true,
+        },
       });
 
       // Last item in buffer is the same as the new profile