risingwave_expr_impl/aggregate/
bit_xor.rs

1// Copyright 2025 RisingWave Labs
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use std::ops::BitXor;
16
17use risingwave_expr::aggregate;
18
19/// Computes the bitwise XOR of all non-null input values.
20///
21/// # Example
22///
23/// ```slt
24/// statement ok
25/// create table t (a int2, b int4, c int8);
26///
27/// query III
28/// select bit_xor(a), bit_xor(b), bit_xor(c) from t;
29/// ----
30/// NULL NULL NULL
31///
32/// statement ok
33/// insert into t values
34///    (3, 3, 3),
35///    (6, 6, 6),
36///    (null, null, null);
37///
38/// query III
39/// select bit_xor(a), bit_xor(b), bit_xor(c) from t;
40/// ----
41/// 5 5 5
42///
43/// statement ok
44/// drop table t;
45/// ```
46#[aggregate("bit_xor(*int) -> auto")]
47fn bit_xor<T>(state: T, input: T, _retract: bool) -> T
48where
49    T: BitXor<Output = T>,
50{
51    state.bitxor(input)
52}
risingwave_expr_impl/aggregate/bit_xor.rs

risingwave_expr_impl/aggregate/
bit_xor.rs
