Crate datafusion_expr_common

Logical Expr types and traits for DataFusion

This crate contains types and traits that are used by both Logical and Physical expressions. They are kept in their own crate to avoid physical expressions depending on logical expressions.

Modules

accumulator

Accumulator module contains the trait definition for aggregation function’s accumulators.

columnar_value

ColumnarValue represents the result of evaluating an expression.

groups_accumulator

Vectorized GroupsAccumulator

interval_arithmetic

Interval arithmetic library

operator

signature

Signature module contains foundational types that are used to represent signatures, types, and return types of functions in DataFusion.

sort_properties

type_coercion