UnionTransform

The union member of the PipelineTransform union.

versionVersion (integer)

Constant value: 1

Default value: 1

opOp (string)required

Constant value: union

config objectrequired

Union configuration for two or more pipeline input ports. Inputs are aligned by column name, missing values become null, and duplicate rows are retained.

inputsstring[]required

Input port keys to union (>= 2)

UnionTransform

{
  "version": 1,
  "op": "union",
  "config": {
    "inputs": [
      "string"
    ]
  }
}