arrow_data/transform/
boolean.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, utils::resize_for_bits};
19use crate::bit_mask::set_bits;
20use crate::ArrayData;
21
22pub(super) fn build_extend(array: &ArrayData) -> Extend {
23    let values = array.buffers()[0].as_slice();
24    Box::new(
25        move |mutable: &mut _MutableArrayData, _, start: usize, len: usize| {
26            let buffer = &mut mutable.buffer1;
27            resize_for_bits(buffer, mutable.len + len);
28            set_bits(
29                buffer.as_slice_mut(),
30                values,
31                mutable.len,
32                array.offset() + start,
33                len,
34            );
35        },
36    )
37}
38
39pub(super) fn extend_nulls(mutable: &mut _MutableArrayData, len: usize) {
40    let buffer = &mut mutable.buffer1;
41    resize_for_bits(buffer, mutable.len + len);
42}