ONNX API

RelationalTransformer.export_onnx and the onnx backend wrap these directly; the Backends page shows the export and serving workflow.

When no model is specified, RelationalTransformer(backend="onnx") downloads RelativeDB/rt-j-onnx/model.onnx automatically.

export_onnx

relational_transformers.onnx.export_onnx(model, batch, path, *, opset_version=18)

Export target-score inference with dynamic batch and sequence axes.

Parameters:

OnnxBackend

class relational_transformers.onnx.OnnxBackend(path, providers=None, revision=None)
Parameters:

  • path (str | Path)

  • revision (str | None)