Cargo Features

[dependencies]
datafusion-physical-expr = { version = "38.0.0", default-features = false, features = ["encoding_expressions", "regex_expressions"] }
default = encoding_expressions, regex_expressions

These default features are set whenever datafusion-physical-expr is added without default-features = false somewhere in the dependency tree.

encoding_expressions default = base64, hex
regex_expressions default = regex

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

base64 encoding_expressions
hex encoding_expressions
regex regex_expressions