common_function/aggrs/
approximate.rs

1// Copyright 2023 Greptime Team
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 crate::function_registry::FunctionRegistry;
16
17pub mod hll;
18pub mod uddsketch;
19
20pub(crate) struct ApproximateFunction;
21
22impl ApproximateFunction {
23    pub fn register(registry: &FunctionRegistry) {
24        // uddsketch
25        registry.register_aggr(uddsketch::UddSketchState::state_udf_impl());
26        registry.register_aggr(uddsketch::UddSketchState::merge_udf_impl());
27
28        // hll
29        registry.register_aggr(hll::HllState::state_udf_impl());
30        registry.register_aggr(hll::HllState::merge_udf_impl());
31    }
32}
common_function/aggrs/approximate.rs

common_function/aggrs/
approximate.rs
