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