Histograph IO

Express routing middleware for Histograph API. IO is automatically loaded by the API.

With Histograph IO, you can:

Queue format

IO adds PIT and relation changes onto Histograph's Redis queue.

IO uses the adds messages of the following form, as stringified JSON objects:

{
  "dataset": "dataset1",
  "type": "pit|relation",
  "action": "add|delete|update",
  "data": {
    // PIT/relation data
  }
}

The data field contains PIT and relation data, conforming to the Histograph JSON schemas.