datafusion_functions_aggregate_common/
lib.rs

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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.

//! Common Aggregate functionality for [DataFusion]
//!
//! This crate contains traits and utilities commonly used to implement aggregate functions
//! They are kept in their own crate to avoid physical expressions depending on logical expressions.
//!
//! [DataFusion]: <https://crates.io/crates/datafusion>

// Make cheap clones clear: https://github.com/apache/datafusion/issues/11143
#![deny(clippy::clone_on_ref_ptr)]

pub mod accumulator;
pub mod aggregate;
pub mod merge_arrays;
pub mod order;
pub mod stats;
pub mod tdigest;
pub mod utils;