# Sorted Merge

## ![Sorted Merge transform Icon](https://github.com/mbertazz/hop-docs-md/blob/main/modules/ROOT/pages/pipeline/assets/images/transforms/icons/sortedmerge.svg) Sorted Merge

| <h3 id="description">Description</h3><p>The Sorted Merge transform merges rows coming from multiple input transforms providing these rows are sorted themselves on the given key fields.</p> | <h3 id="supported_engines">Supported Engines</h3><table data-header-hidden><thead><tr><th></th><th></th></tr></thead><tbody><tr><td>Hop Engine</td><td><img src="https://github.com/mbertazz/hop-docs-md/blob/main/modules/ROOT/pages/pipeline/assets/images/check_mark.svg" alt="Supported"></td></tr><tr><td>Spark</td><td><img src="https://github.com/mbertazz/hop-docs-md/blob/main/modules/ROOT/pages/pipeline/assets/images/cross.svg" alt="Not Supported"></td></tr><tr><td>Flink</td><td><img src="https://github.com/mbertazz/hop-docs-md/blob/main/modules/ROOT/pages/pipeline/assets/images/cross.svg" alt="Not Supported"></td></tr><tr><td>Dataflow</td><td><img src="https://github.com/mbertazz/hop-docs-md/blob/main/modules/ROOT/pages/pipeline/assets/images/cross.svg" alt="Not Supported"></td></tr></tbody></table> |
| -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Hop Engine                                                                                                                                                                                   | ![Supported](https://github.com/mbertazz/hop-docs-md/blob/main/modules/ROOT/pages/pipeline/assets/images/check_mark.svg)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| Spark                                                                                                                                                                                        | ![Not Supported](https://github.com/mbertazz/hop-docs-md/blob/main/modules/ROOT/pages/pipeline/assets/images/cross.svg)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Flink                                                                                                                                                                                        | ![Not Supported](https://github.com/mbertazz/hop-docs-md/blob/main/modules/ROOT/pages/pipeline/assets/images/cross.svg)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Dataflow                                                                                                                                                                                     | ![Not Supported](https://github.com/mbertazz/hop-docs-md/blob/main/modules/ROOT/pages/pipeline/assets/images/cross.svg)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |

### Options

| Option         | Description                                                                                                                               |
| -------------- | ----------------------------------------------------------------------------------------------------------------------------------------- |
| Transform name | Name of the transform this name has to be unique in a single pipeline.                                                                    |
| Fields table   | Specify the field name and sort direction (ascending/descending); click Get Fields to retrieve a list of fields from the input stream(s). |

Last updated 2025-09-04 18:23:09 +0200
