docs(db): say the upload-order index serves the list and its seed

Author: waleedlatif1

packages/db/migrations/0442_workspace_files_active_uploaded_idx.sql

@@ -1,7 +1,7 @@
 -- A workspace's live file list, in upload order. No index served the list's filter in that
 -- order, so the planner matched every workspace's live files, filtered to one workspace on the
--- heap and sorted them, on disk for a large workspace; a bounded read (the SSR seed, an
--- uploadedAt keyset page) paid for the whole workspace.
+-- heap and sorted them, on disk for a large workspace; a bounded read (the SSR seed) paid for
+-- the whole workspace.
 --
 -- The predicate is the one the other live workspace-file indexes share, which the list's filter
 -- implies. The list's owner conditions (project_id and organization_id IS NULL) stay heap checks

packages/db/schema.ts

@@ -2936,7 +2936,7 @@ export const workspaceFiles = pgTable(
       .where(
         sql`${table.deletedAt} IS NULL AND ${table.context} = 'workspace' AND ${table.workspaceId} IS NOT NULL`
       ),
-    /** Serves a workspace's live file list and uploadedAt keyset pages in upload order. */
+    /** Serves a workspace's live file list, and its bounded SSR seed, in upload order. */
     workspaceActiveUploadedIdx: index('workspace_files_workspace_active_uploaded_idx')
       .on(table.workspaceId, table.uploadedAt, table.id)
       .concurrently()