Type: nodetool.control.Distinct
Namespace: nodetool.control
Description
Drop duplicate items from a stream. Optional key expression for grouping. distinct, unique, dedup, deduplicate, stream, set
Use cases:
- Deduplicate URLs, ids, or records
- Keep only the first sighting of each value
- Field-based dedup with a key expression
Properties
| Property | Type | Description | Default |
|---|---|---|---|
| input_item | any |
Streaming input — duplicate items are dropped. | null |
| key | str |
Optional JavaScript expression for the dedup key. The item is bound to item. Examples: item.id, item.url. Empty means use the whole item. |
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Outputs
| Output | Type | Description |
|---|---|---|
| output | any |
Related Nodes
Browse other nodes in the nodetool.control namespace.