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.

casts

Utilities for casting scalar literals to different data types

columnar_value

ColumnarValue represents the result of evaluating an expression.

dyn_eq

groups_accumulator

Vectorized GroupsAccumulator

interval_arithmetic

Interval arithmetic library

operator

signature

Function signatures: Volatility, Signature and TypeSignature

sort_properties

statistics

type_coercion