Skip to content

PGlite leader reelection issue #866

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
tdrz wants to merge 2 commits into
base: main
Choose a base branch
from
Open

PGlite leader reelection issue #866

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
9b35a0a
create table inside worker init
tdrz Jan 5, 2026
4ca06db
use indexdb storage for example; resubscribe to incremental updates
tdrz Jan 6, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 9 additions & 0 deletions packages/pglite/examples/worker-process.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,20 @@ import { vector } from '../dist/vector/index.js'
worker({
async init() {
const pg = new PGlite({
dataDir: 'idb://my-pgdata',
extensions: {
vector,
},
})
// If you want run any specific setup code for the worker process, you can do it here.
console.log('Creating table...')
await pg.exec(`
CREATE EXTENSION IF NOT EXISTS vector;
CREATE TABLE IF NOT EXISTS test (
id SERIAL PRIMARY KEY,
data vector(3)
);
`)
return pg
},
})
Expand Down
33 changes: 17 additions & 16 deletions packages/pglite/examples/worker.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,6 @@ <h2>Main Thread</h2>
<script type="module">
import { PGliteWorker } from '@electric-sql/pglite/worker'
import { live } from '@electric-sql/pglite/live'

console.log('Creating worker...')
const pg = new PGliteWorker(
new Worker(new URL('./worker-process.js', import.meta.url), {
Expand All @@ -64,19 +63,19 @@ <h2>Main Thread</h2>
const leader = document.getElementById('leader')
leader.textContent = 'true'
leader.style.color = 'green'

}
console.log('Leader has changed, clearing output ...')
output.textContent = ''
setTimeout(async () => {
console.log('requesting incrementalQuery')
let incResult = await pg.live.incrementalQuery(`SELECT * FROM test`, [], 'id', (data) => {
const output = document.getElementById('output')
output.textContent = JSON.stringify(data.rows, null, 2)
})
}, 200)
})

console.log('Creating table...')

await pg.exec(`
CREATE EXTENSION IF NOT EXISTS vector;
CREATE TABLE IF NOT EXISTS test (
id SERIAL PRIMARY KEY,
data vector(3)
);
`)

console.log('Ready!')

async function insertData() {
Expand All @@ -96,11 +95,13 @@ <h2>Main Thread</h2>
const btnClear = document.querySelector('#clear')
btnClear.addEventListener('click', clearData)

// pg.live.query(
pg.live.incrementalQuery(`SELECT * FROM test`, [], 'id', (data) => {
const output = document.getElementById('output')
output.textContent = JSON.stringify(data.rows, null, 2)
})
setTimeout(async () => {
let incResult = await pg.live.incrementalQuery(`SELECT * FROM test`, [], 'id', (data) => {
console.log('requesting incrementalQuery')
const output = document.getElementById('output')
output.textContent = JSON.stringify(data.rows, null, 2)
})
}, 200)
</script>
</div>
<div id="log"></div>
Expand Down