arrow_data/transform/
fixed_binary.rs

1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements.  See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership.  The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License.  You may obtain a copy of the License at
8//
9//   http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied.  See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18use super::{Extend, _MutableArrayData};
19use crate::ArrayData;
20use arrow_schema::DataType;
21
22pub(super) fn build_extend(array: &ArrayData) -> Extend {
23    let size = match array.data_type() {
24        DataType::FixedSizeBinary(i) => *i as usize,
25        _ => unreachable!(),
26    };
27
28    let values = &array.buffers()[0].as_slice()[array.offset() * size..];
29    Box::new(
30        move |mutable: &mut _MutableArrayData, _, start: usize, len: usize| {
31            let buffer = &mut mutable.buffer1;
32            buffer.extend_from_slice(&values[start * size..(start + len) * size]);
33        },
34    )
35}
36
37pub(super) fn extend_nulls(mutable: &mut _MutableArrayData, len: usize) {
38    let size = match mutable.data_type {
39        DataType::FixedSizeBinary(i) => i as usize,
40        _ => unreachable!(),
41    };
42
43    let values_buffer = &mut mutable.buffer1;
44    values_buffer.extend_zeros(len * size);
45}
arrow_data/transform/fixed_binary.rs

arrow_data/transform/
fixed_binary.rs
