📁 Files

db/schema.sql

src/api.ts

src/ui.ts

A NewM Modified

JJ Log

◆ zzzzzzzz Learner 2026-06-17 08:35:44 26114fbb root()

○ wstk01 Learner 2026-06-17 08:35:49 7a9f2805

│ Add DB schema

○ wstk02 Learner 2026-06-17 08:35:54 3dbc3796

│ Add API

○ wstk03 Learner 2026-06-17 08:35:59 662aa89b

│ Add UI

@ wstk04 Learner 2026-06-17 08:36:04 25ddbc6b (empty)

│ (no description set)

JJ Graph@ wstk04

📚 Stacked PRs0/7

📖 Story

You're building a feature in three layers: database schema → API endpoints → UI. Each is its own PR. PR 1 gets review feedback while you're already building PR 3. In Git this is a nightmare of rebases and force pushes. In jj you fix PR 1 and the whole stack silently updates.

See your stack: jj log

You have three stacked changes: 'Add DB schema' → 'Add API' → 'Add UI'. PR 1 (wstk01, 'Add DB schema') just got review feedback — the table name is wrong. It should be user_sessions, not sessions.

● See your stack: `jj log`

○ Jump into PR 1: `jj edit wstk01`

○ Apply the fix: `echo "CREATE TABLE user_sessions (id INT);" > db/schema.sql`

○ Jump back to the top: `jj edit wstk03`

○ Verify: `jj log`

○ Move PR 2 to root: `jj rebase -s wstk02 -d root()`

○ Restore the stack: `jj undo`

jj Terminal

📘 Starting tutorial: Stacked PRs

Build features in layers, get review feedback on PR 1, and watch the whole stack update.

Step 1: See your stack: `jj log`