dataset.update()

Added in: @mastra/core@1.4.0

Updates dataset metadata, name, description, and/or schemas. Zod schemas are automatically converted to JSON Schema.

Usage example

import { Mastra } from '@mastra/core'
import { z } from 'zod'

const mastra = new Mastra({
  /* storage config */
})

const dataset = await mastra.datasets.get({ id: 'dataset-id' })

// Update with plain metadata
const updated = await dataset.update({
  name: 'Updated QA pairs',
  description: 'Revised evaluation set',
})

// Update with Zod schema (auto-converted to JSON Schema)
const updated2 = await dataset.update({
  inputSchema: z.object({
    question: z.string(),
    context: z.string().optional(),
  }),
})

Parameters

name?:

string

New display name.

description?:

string

New description.

metadata?:

Record<string, unknown>

Updated metadata.

inputSchema?:

unknown

JSON Schema or Zod schema for item inputs.

groundTruthSchema?:

unknown

JSON Schema or Zod schema for item ground truths.

Returns

result:

Promise<DatasetRecord>

The updated dataset record. See dataset.getDetails() for the full shape.