44 releases (27 stable)

new 2.0.1 Nov 25, 2024
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#108 in Database implementations

Download history 67/week @ 2024-09-23 4/week @ 2024-09-30 88/week @ 2024-11-11 147/week @ 2024-11-18

235 downloads per month
Used in vegafusion-server

BSD-3-Clause

6.5MB
7.5K 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

~51–71MB
~1.5M SLoC