datafusion-expr-common 53.1.0

Logical plan and expression representation for DataFusion query engine
Documentation 
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

//! 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.
//!
//!
//! [DataFusion]: <https://crates.io/crates/datafusion>

#![doc(
    html_logo_url = "https://raw.githubusercontent.com/apache/datafusion/19fe44cf2f30cbdd63d4a4f52c74055163c6cc38/docs/logos/standalone_logo/logo_original.svg",
    html_favicon_url = "https://raw.githubusercontent.com/apache/datafusion/19fe44cf2f30cbdd63d4a4f52c74055163c6cc38/docs/logos/standalone_logo/logo_original.svg"
)]
#![cfg_attr(docsrs, feature(doc_cfg))]
// Make sure fast / cheap clones on Arc are explicit:
// https://github.com/apache/datafusion/issues/11143
#![deny(clippy::clone_on_ref_ptr)]
#![cfg_attr(test, allow(clippy::needless_pass_by_value))]

pub mod accumulator;
pub mod casts;
pub mod columnar_value;
pub mod dyn_eq;
pub mod groups_accumulator;
pub mod interval_arithmetic;
pub mod operator;
pub mod placement;
pub mod signature;
pub mod sort_properties;
pub mod statistics;
pub mod type_coercion;

pub use placement::ExpressionPlacement;