Source: https://tanstack.com/db/latest/docs/reference/functions/createTransaction

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On this page

• Function: createTransaction()

• Type Parameters

• T

• Parameters

• config

• Returns

• Examples

createTransaction

Copy Markdown

Function: createTransaction()
=============================

ts

function createTransaction<T>(config): Transaction<T>;


function createTransaction<T>(config): Transaction<T>;

Defined in: packages/db/src/transactions.ts:156

Creates a new transaction for grouping multiple collection operations

Type Parameters
--------------- ### T

T extends object = Record<string, unknown>

Parameters
---------- ### config

TransactionConfig <T>

Transaction configuration with mutation function

Returns
-------

Transaction <T>

A new Transaction instance

Examples
--------

ts

// Basic transaction usage
const tx = createTransaction({
  mutationFn: async ({ transaction }) => {
    // Send all mutations to API
    await api.saveChanges(transaction.mutations)
  }
})

tx.mutate(() => {
  collection.insert({ id: "1", text: "Buy milk" })
  collection.update("2", draft => { draft.completed = true })
})

await tx.isPersisted.promise


// Basic transaction usage
const tx = createTransaction({
  mutationFn: async ({ transaction }) => {
    // Send all mutations to API
    await api.saveChanges(transaction.mutations)
  }
})

tx.mutate(() => {
  collection.insert({ id: "1", text: "Buy milk" })
  collection.update("2", draft => { draft.completed = true })
})

await tx.isPersisted.promise

ts

// Handle transaction errors
try {
  const tx = createTransaction({
    mutationFn: async () => { throw new Error("API failed") }
  })

  tx.mutate(() => {
    collection.insert({ id: "1", text: "New item" })
  })

  await tx.isPersisted.promise
} catch (error) {
  console.log('Transaction failed:', error)
}


// Handle transaction errors
try {
  const tx = createTransaction({
    mutationFn: async () => { throw new Error("API failed") }
  })

  tx.mutate(() => {
    collection.insert({ id: "1", text: "New item" })
  })

  await tx.isPersisted.promise
} catch (error) {
  console.log('Transaction failed:', error)
}

ts

// Manual commit control
const tx = createTransaction({
  autoCommit: false,
  mutationFn: async () => {
    // API call
  }
})

tx.mutate(() => {
  collection.insert({ id: "1", text: "Item" })
})

// Commit later
await tx.commit()


// Manual commit control
const tx = createTransaction({
  autoCommit: false,
  mutationFn: async () => {
    // API call
  }
})

tx.mutate(() => {
  collection.insert({ id: "1", text: "Item" })
})

// Commit later
await tx.commit()

Edit on GitHub

createOptimisticAction

Electric DB Collection

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