CardinalityEstimator is used at run time in 4 crates. It is a direct run-time dependency in 1 crate. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) CardinalityEstimator version
1.8K 3 genetic_algorithm ^1.0.2
410 cardinality-estimator-safe dev ^1.0.2