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feat(sink): introduce file sink in PARQUET format (#17311)
Co-authored-by: William Wen <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| // Copyright 2024 RisingWave Labs | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| use std::collections::{BTreeMap, HashMap}; | ||
|
|
||
| use anyhow::anyhow; | ||
| use opendal::layers::{LoggingLayer, RetryLayer}; | ||
| use opendal::services::Fs; | ||
| use opendal::Operator; | ||
| use serde::Deserialize; | ||
| use serde_with::serde_as; | ||
| use with_options::WithOptions; | ||
|
|
||
| use crate::sink::file_sink::opendal_sink::{FileSink, OpendalSinkBackend}; | ||
| use crate::sink::{Result, SinkError, SINK_TYPE_APPEND_ONLY, SINK_TYPE_OPTION, SINK_TYPE_UPSERT}; | ||
| use crate::source::UnknownFields; | ||
|
|
||
| #[derive(Deserialize, Debug, Clone, WithOptions)] | ||
| pub struct FsCommon { | ||
| /// The directory where the sink file is located. | ||
| #[serde(rename = "fs.path")] | ||
| pub path: String, | ||
| } | ||
|
|
||
| #[serde_as] | ||
| #[derive(Clone, Debug, Deserialize, WithOptions)] | ||
| pub struct FsConfig { | ||
| #[serde(flatten)] | ||
| pub common: FsCommon, | ||
|
|
||
| pub r#type: String, // accept "append-only" | ||
|
|
||
| #[serde(flatten)] | ||
| pub unknown_fields: HashMap<String, String>, | ||
| } | ||
|
|
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| impl UnknownFields for FsConfig { | ||
| fn unknown_fields(&self) -> HashMap<String, String> { | ||
| self.unknown_fields.clone() | ||
| } | ||
| } | ||
|
|
||
| pub const FS_SINK: &str = "fs"; | ||
|
|
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| impl<S: OpendalSinkBackend> FileSink<S> { | ||
| pub fn new_fs_sink(config: FsConfig) -> Result<Operator> { | ||
| // Create fs builder. | ||
| let mut builder = Fs::default(); | ||
| // Create fs backend builder. | ||
| builder.root(&config.common.path); | ||
| let operator: Operator = Operator::new(builder)? | ||
| .layer(LoggingLayer::default()) | ||
| .layer(RetryLayer::default()) | ||
| .finish(); | ||
| Ok(operator) | ||
| } | ||
| } | ||
|
|
||
| #[derive(Debug, Clone, Copy, PartialEq, Eq)] | ||
| pub struct FsSink; | ||
|
|
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| impl OpendalSinkBackend for FsSink { | ||
| type Properties = FsConfig; | ||
|
|
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| const SINK_NAME: &'static str = FS_SINK; | ||
|
|
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| fn from_btreemap(btree_map: BTreeMap<String, String>) -> Result<Self::Properties> { | ||
| let config = serde_json::from_value::<FsConfig>(serde_json::to_value(btree_map).unwrap()) | ||
| .map_err(|e| SinkError::Config(anyhow!(e)))?; | ||
| if config.r#type != SINK_TYPE_APPEND_ONLY && config.r#type != SINK_TYPE_UPSERT { | ||
| return Err(SinkError::Config(anyhow!( | ||
| "`{}` must be {}, or {}", | ||
| SINK_TYPE_OPTION, | ||
| SINK_TYPE_APPEND_ONLY, | ||
| SINK_TYPE_UPSERT | ||
| ))); | ||
| } | ||
| Ok(config) | ||
| } | ||
|
|
||
| fn new_operator(properties: FsConfig) -> Result<Operator> { | ||
| FileSink::<FsSink>::new_fs_sink(properties) | ||
| } | ||
|
|
||
| fn get_path(properties: Self::Properties) -> String { | ||
| properties.common.path | ||
| } | ||
|
|
||
| fn get_engine_type() -> super::opendal_sink::EngineType { | ||
| super::opendal_sink::EngineType::Fs | ||
| } | ||
| } |
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