45 releases (28 stable)

2.0.3 Sep 29, 2025
2.0.1 Nov 25, 2024
1.6.8 May 7, 2024
1.6.6 Mar 22, 2024
1.1.1 Mar 25, 2023

#147 in Database implementations


Used in vegafusion-server

BSD-3-Clause

6.5MB
8K SLoC

vegafusion-runtime

This crate contains the logic for evaluating the task graphs that are generated by vegafusion-core. Task graph evaluation involes:

  • Compiling Vega expression ASTs to DataFusion expressions.
  • Evaluating signal expression tasks
  • Evaluating Data tasks, including transform pipelines. Transforms are implemented against the DataFrame trait provided by vegafusion-dataframe.
  • Pre-transforming Vega specifications by pre-evaluating their transforms and inlining the resulting transformed data.

Dependencies

~69–96MB
~1.5M SLoC