Hub JS Package

Hub JS Package

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›WriteTransaction

Client

  • Client.withUserAuth() method
  • Client.withKeyInfo() method
  • Client.getToken() method
  • Client.getTokenChallenge() method
  • Client.newDB() method
  • Client.open() method
  • Client.deleteDB() method
  • Client.getDBInfo() method
  • Client.joinFromInfo() method
  • Client.newDBFromAddr() method
  • Client.listen() method
  • Client.listDBs() method
  • Client.newCollection() method
  • Client.newCollectionFromObject() method
  • Client.deleteCollection() method
  • Client.updateCollection() method
  • Client.getCollectionIndexes() method
  • Client.getCollectionInfo() method
  • Client.listCollections() method
  • Client.create() method
  • Client.save() method
  • Client.delete() method
  • Client.find() method
  • Client.findByID() method
  • Client.has() method
  • Client.readTransaction() method
  • Client.writeTransaction() method

WriteTransaction

  • WriteTransaction class
  • WriteTransaction.create() method
  • WriteTransaction.delete() method
  • WriteTransaction.find() method
  • WriteTransaction.findByID() method
  • WriteTransaction.has() method
  • WriteTransaction.save() method
  • WriteTransaction.start() method
  • WriteTransaction.discard() method

ReadTransaction

  • ReadTransaction class
  • ReadTransaction.find() method
  • ReadTransaction.findByID() method
  • ReadTransaction.has() method
  • ReadTransaction.start() method

Types

  • Action enum
  • DBInfo interface
  • Filter interface
  • Query class
  • Update interface
  • Where variable

@textile/hub > WriteTransaction > discard

WriteTransaction.discard() method

Discard drops all active transaction changes. It also invalidates the transaction, so it will fail upon calling end.

Signature:

discard(): Promise<void>;

Returns:

Promise<void>

Example

Abort an in-flight transaction

import {Client, ThreadID} from '@textile/hub'

interface Astronaut {
  name: string
  missions: number
  _id: string
}

async function example (client: Client, threadID: ThreadID) {
  const buzz: Astronaut = {
    name: 'Buzz',
    missions: 2,
    _id: '',
  }

  const t = client.writeTransaction(threadID, 'astronauts')
  await t.start()
  await t.create([buzz])
  await t.discard() // Abort
  await t.end()
}

← WriteTransaction.start() methodReadTransaction class →
  • WriteTransaction.discard() method
  • Example
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