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feat(connector): introduce azblob file scan (#20046)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| // Copyright 2025 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 futures_async_stream::try_stream; | ||
| use futures_util::stream::StreamExt; | ||
| use risingwave_common::array::DataChunk; | ||
| use risingwave_common::catalog::{Field, Schema}; | ||
| use risingwave_connector::source::iceberg::{ | ||
| extract_bucket_and_file_name, new_azblob_operator, read_parquet_file, FileScanBackend, | ||
| }; | ||
| use risingwave_pb::batch_plan::file_scan_node; | ||
| use risingwave_pb::batch_plan::plan_node::NodeBody; | ||
|
|
||
| use crate::error::BatchError; | ||
| use crate::executor::{BoxedExecutor, BoxedExecutorBuilder, Executor, ExecutorBuilder}; | ||
|
|
||
| #[derive(PartialEq, Debug)] | ||
| pub enum FileFormat { | ||
| Parquet, | ||
| } | ||
|
|
||
| /// Azblob file scan executor. Currently only support parquet file format. | ||
| pub struct AzblobFileScanExecutor { | ||
| file_format: FileFormat, | ||
| file_location: Vec<String>, | ||
| account_name: String, | ||
| account_key: String, | ||
| endpoint: String, | ||
| batch_size: usize, | ||
| schema: Schema, | ||
| identity: String, | ||
| } | ||
|
|
||
| impl Executor for AzblobFileScanExecutor { | ||
| fn schema(&self) -> &risingwave_common::catalog::Schema { | ||
| &self.schema | ||
| } | ||
|
|
||
| fn identity(&self) -> &str { | ||
| &self.identity | ||
| } | ||
|
|
||
| fn execute(self: Box<Self>) -> super::BoxedDataChunkStream { | ||
| self.do_execute().boxed() | ||
| } | ||
| } | ||
|
|
||
| impl AzblobFileScanExecutor { | ||
| pub fn new( | ||
| file_format: FileFormat, | ||
| file_location: Vec<String>, | ||
| account_name: String, | ||
| account_key: String, | ||
| endpoint: String, | ||
| batch_size: usize, | ||
| schema: Schema, | ||
| identity: String, | ||
| ) -> Self { | ||
| Self { | ||
| file_format, | ||
| file_location, | ||
| account_name, | ||
| account_key, | ||
| endpoint, | ||
| batch_size, | ||
| schema, | ||
| identity, | ||
| } | ||
| } | ||
|
|
||
| #[try_stream(ok = DataChunk, error = BatchError)] | ||
| async fn do_execute(self: Box<Self>) { | ||
| assert_eq!(self.file_format, FileFormat::Parquet); | ||
| for file in self.file_location { | ||
| let (bucket, file_name) = | ||
| extract_bucket_and_file_name(&file, &FileScanBackend::Azblob)?; | ||
| let op = new_azblob_operator( | ||
| self.endpoint.clone(), | ||
| self.account_name.clone(), | ||
| self.account_key.clone(), | ||
| bucket.clone(), | ||
| )?; | ||
| let chunk_stream = | ||
| read_parquet_file(op, file_name, None, None, self.batch_size, 0).await?; | ||
| #[for_await] | ||
| for stream_chunk in chunk_stream { | ||
| let stream_chunk = stream_chunk?; | ||
| let (data_chunk, _) = stream_chunk.into_parts(); | ||
| yield data_chunk; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| pub struct AzblobFileScanExecutorBuilder {} | ||
|
|
||
| impl BoxedExecutorBuilder for AzblobFileScanExecutorBuilder { | ||
| async fn new_boxed_executor( | ||
| source: &ExecutorBuilder<'_>, | ||
| _inputs: Vec<BoxedExecutor>, | ||
| ) -> crate::error::Result<BoxedExecutor> { | ||
| let file_scan_node = try_match_expand!( | ||
| source.plan_node().get_node_body().unwrap(), | ||
| NodeBody::AzblobFileScan | ||
| )?; | ||
|
|
||
| Ok(Box::new(AzblobFileScanExecutor::new( | ||
| match file_scan_node::FileFormat::try_from(file_scan_node.file_format).unwrap() { | ||
| file_scan_node::FileFormat::Parquet => FileFormat::Parquet, | ||
| file_scan_node::FileFormat::Unspecified => unreachable!(), | ||
| }, | ||
| file_scan_node.file_location.clone(), | ||
| file_scan_node.account_name.clone(), | ||
| file_scan_node.account_key.clone(), | ||
| file_scan_node.endpoint.clone(), | ||
| source.context().get_config().developer.chunk_size, | ||
| Schema::from_iter(file_scan_node.columns.iter().map(Field::from)), | ||
| source.plan_node().get_identity().clone(), | ||
| ))) | ||
| } | ||
| } |
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