cube-js/cube · error · Error

options.meta must be a function

Error message

options.meta must be a function

What it means

Configuration guard in registerInterface (cubejs-backend-native): the generic sentinel `options.meta must be a function` check fires when the SQLInterfaceOptions object passed to registerInterface omits the meta callback, which the native SQL interface needs to serve /meta requests.

Source

Thrown at packages/cubejs-backend-native/js/index.ts:400

export const registerInterface = async (options: SQLInterfaceOptions): Promise<SqlInterfaceInstance> => {
  if (typeof options !== 'object' && options == null) {
    throw new Error('Argument options must be an object');
  }

  if (typeof options.contextToApiScopes !== 'function') {
    throw new Error('options.contextToApiScopes must be a function');
  }

  if (typeof options.checkAuth !== 'function') {
    throw new Error('options.checkAuth must be a function');
  }

  if (typeof options.checkSqlAuth !== 'function') {
    throw new Error('options.checkSqlAuth must be a function');
  }

  if (typeof options.meta !== 'function') {
    throw new Error('options.meta must be a function');
  }

  if (typeof options.stream !== 'function') {
    throw new Error('options.stream must be a function');
  }

  if (typeof options.sqlApiLoad !== 'function') {
    throw new Error('options.sqlApiLoad must be a function');
  }

  if (typeof options.sqlGenerators !== 'function') {
    throw new Error('options.sqlGenerators must be a function');
  }

  if (typeof options.sql !== 'function') {
    throw new Error('options.sql must be a function');
  }

View on GitHub (pinned to 7d981676b3)

Solutions

  1. Pass a meta function in the options object when calling registerInterface.
  2. Verify the object was constructed correctly and meta was not renamed or omitted in a refactor.

Example fix

// before
await registerInterface({ contextToApiScopes, checkAuth, checkSqlAuth, stream, sqlApiLoad });

// after
await registerInterface({
  contextToApiScopes, checkAuth, checkSqlAuth,
  meta: async (context, query) => compilerApi.meta(context, query),
  stream, sqlApiLoad
});
Defensive patterns

Strategy: validation

Validate before calling

if (typeof options.meta !== 'function') {
  throw new Error('options.meta must be provided as a function');
}

Type guard

function hasMeta(o) {
  return typeof o?.meta === 'function';
}

Try / catch

try {
  await registerInterface(options);
} catch (e) {
  if (e.message === 'options.meta must be a function') {
    console.error('Provide meta: async (context, query) => compilerApi.meta(context, query).');
  } else throw e;
}

Prevention

When it happens

Trigger: Calling registerInterface() with an options object whose meta property is missing or not a function.

Common situations: Assembling the options programmatically and skipping meta; older integrations where meta was supplied elsewhere; accidental overwrite with a Promise or object instead of the handler function.

Related errors


AI-assisted analysis of cube-js/cube@7d981676b3 (2026-09-02). Data as JSON: /api/errors/01d8641e18948a93. Report an issue: GitHub.