risingwave_expr_impl/udf/
mod.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
15#![allow(dead_code, unused_imports)]
16
17// common imports for submodules
18use anyhow::{Context as _, Result};
19use futures_util::stream::BoxStream;
20use risingwave_common::array::arrow::arrow_array_udf::{ArrayRef, BooleanArray, RecordBatch};
21use risingwave_expr::sig::{
22    CreateFunctionOutput, CreateOptions, UDF_IMPLS, UdfImpl, UdfImplDescriptor,
23};
24
25#[cfg(feature = "external-udf")]
26#[cfg(not(madsim))]
27mod external;
28#[cfg(feature = "python-udf")]
29mod python;
30#[cfg(feature = "js-udf")]
31mod quickjs;
32#[cfg(feature = "wasm-udf")]
33mod wasm;
34
35/// Download wasm binary from a link.
36fn read_file_from_link(link: &str) -> Result<Vec<u8>> {
37    // currently only local file system is supported
38    let path = link
39        .strip_prefix("fs://")
40        .context("only 'fs://' is supported")?;
41    let content =
42        std::fs::read(path).context("failed to read wasm binary from local file system")?;
43    Ok(content)
44}
risingwave_expr_impl/udf/mod.rs

risingwave_expr_impl/udf/
mod.rs
