tustvold commented on code in PR #3749: URL: https://github.com/apache/arrow-rs/pull/3749#discussion_r1114732276
########## arrow-data/src/data/types.rs: ########## @@ -0,0 +1,153 @@ +// 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. + +use arrow_schema::{DataType, IntervalUnit}; + +/// An enumeration of the primitive types implementing [`ArrowNativeType`](arrow_buffer::ArrowNativeType) +#[derive(Debug, Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash)] +pub enum PrimitiveType { + Int8, + Int16, + Int32, + Int64, + Int128, + Int256, + UInt8, + UInt16, + UInt32, + UInt64, + Float16, + Float32, + Float64, +} + +/// An enumeration of the types of offsets for variable length encodings +#[derive(Debug, Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash)] +pub enum OffsetType { + Small, + Large, +} + +/// An enumeration of the types of variable length byte arrays +#[derive(Debug, Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash)] +pub enum BytesType { + Binary, + Utf8, +} + +/// An enumeration of the types of dictionary key +#[derive(Debug, Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash)] +pub enum DictionaryKeyType { + Int8, + Int16, + Int32, + Int64, + UInt8, + UInt16, + UInt32, + UInt64, +} + +/// An enumeration of the types of run key +#[derive(Debug, Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash)] +pub enum RunEndType { + Int16, + Int32, + Int64, +} + +/// Describes the physical representation of a given [`DataType`] +#[derive(Debug, Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash)] +pub enum PhysicalType { Review Comment: This mirrors what the eventual `ArrayData` enumeration will look like, with each of these variants corresponding to an `ArrayData` variant -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
