Merge Join

This component joins all received objects and merges them. If there are any overlapping keys, the last object that came in will be leading.

See how it works:
Merge Join Explainer

Configuration

Count

Specifies the number of objects that it should receive for a specific key.

Example: 2

Timeout in ms

Specifies an optional timeout in which all the objects for a specific key should be received. 0 means disabled.

Example: 0

Join key

The key it should use for joining the incoming messages.

Example: _id

Inputs | Outputs

Merge Join

Input

Output

Error

00 0 (ilusxh62)

Force Merge Button Ignores the count or timeout and merges pending objects.

Any data in object form.

Message 1:

{
  "_id": "12345",
  "name": {
    "systemName": "My system name"
  }
}

Message 2:

{
    "_id": "12345",
    "name": {
        "displayName": "My display name"
    },
    "description": "My Description"
}