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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,189 @@ | ||
| // 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::HashMap; | ||
|
|
||
| use async_trait::async_trait; | ||
| use itertools::Itertools; | ||
| use risingwave_common::catalog::{ColumnCatalog, Field, Schema}; | ||
| use risingwave_common::types::JsonbVal; | ||
| use serde::{Deserialize, Serialize}; | ||
| use simd_json::prelude::ArrayTrait; | ||
|
|
||
| use crate::parser::ParserConfig; | ||
| use crate::sink::iceberg::IcebergConfig; | ||
| use crate::source::{ | ||
| BoxChunkSourceStream, Column, SourceContextRef, SourceEnumeratorContextRef, SourceProperties, | ||
| SplitEnumerator, SplitId, SplitMetaData, SplitReader, UnknownFields, | ||
| }; | ||
|
|
||
| pub const ICEBERG_CONNECTOR: &str = "iceberg"; | ||
|
|
||
| #[derive(Clone, Debug, Deserialize, PartialEq, with_options::WithOptions)] | ||
| pub struct IcebergProperties { | ||
| #[serde(rename = "catalog.type")] | ||
| pub catalog_type: String, | ||
| #[serde(rename = "s3.region")] | ||
| pub region_name: String, | ||
| #[serde(rename = "s3.endpoint", default)] | ||
| pub endpoint: String, | ||
| #[serde(rename = "s3.access.key", default)] | ||
| pub access: String, | ||
| #[serde(rename = "s3.secret.key", default)] | ||
| pub secret: String, | ||
| #[serde(rename = "warehouse.path")] | ||
| pub warehouse_path: String, | ||
| #[serde(rename = "database.name")] | ||
| pub database_name: String, | ||
| #[serde(rename = "table.name")] | ||
| pub table_name: String, | ||
|
|
||
| #[serde(flatten)] | ||
| pub unknown_fields: HashMap<String, String>, | ||
| } | ||
|
|
||
| impl SourceProperties for IcebergProperties { | ||
| type Split = IcebergSplit; | ||
| type SplitEnumerator = IcebergSplitEnumerator; | ||
| type SplitReader = IcebergFileReader; | ||
|
|
||
| const SOURCE_NAME: &'static str = ICEBERG_CONNECTOR; | ||
| } | ||
|
|
||
| impl UnknownFields for IcebergProperties { | ||
| fn unknown_fields(&self) -> HashMap<String, String> { | ||
| self.unknown_fields.clone() | ||
| } | ||
| } | ||
|
|
||
| #[derive(Debug, Clone, Eq, PartialEq, Hash, Serialize, Deserialize)] | ||
| pub struct IcebergSplit {} | ||
|
|
||
| impl SplitMetaData for IcebergSplit { | ||
| fn id(&self) -> SplitId { | ||
| unimplemented!() | ||
| } | ||
|
|
||
| fn restore_from_json(_value: JsonbVal) -> anyhow::Result<Self> { | ||
| unimplemented!() | ||
| } | ||
|
|
||
| fn encode_to_json(&self) -> JsonbVal { | ||
| unimplemented!() | ||
| } | ||
|
|
||
| fn update_with_offset(&mut self, _start_offset: String) -> anyhow::Result<()> { | ||
| unimplemented!() | ||
| } | ||
| } | ||
|
|
||
| #[derive(Debug, Clone)] | ||
| pub struct IcebergSplitEnumerator {} | ||
|
|
||
| #[async_trait] | ||
| impl SplitEnumerator for IcebergSplitEnumerator { | ||
| type Properties = IcebergProperties; | ||
| type Split = IcebergSplit; | ||
|
|
||
| async fn new( | ||
| properties: Self::Properties, | ||
| context: SourceEnumeratorContextRef, | ||
| ) -> anyhow::Result<Self> { | ||
| match &context.info.source { | ||
| Some(source) => { | ||
| let iceberg_config = IcebergConfig { | ||
| database_name: properties.database_name, | ||
| table_name: properties.table_name, | ||
| catalog_type: Some(properties.catalog_type), | ||
| path: properties.warehouse_path, | ||
| endpoint: Some(properties.endpoint), | ||
| access_key: properties.access, | ||
| secret_key: properties.secret, | ||
| region: Some(properties.region_name), | ||
| ..Default::default() | ||
| }; | ||
|
|
||
| let columns: Vec<ColumnCatalog> = source | ||
| .columns | ||
| .iter() | ||
| .cloned() | ||
| .map(ColumnCatalog::from) | ||
| .collect_vec(); | ||
|
|
||
| let schema = Schema { | ||
| fields: columns | ||
| .iter() | ||
| .map(|c| Field::from(&c.column_desc)) | ||
| .collect(), | ||
| }; | ||
|
|
||
| let table = iceberg_config.load_table().await?; | ||
|
|
||
| let iceberg_schema: arrow_schema::Schema = table | ||
| .current_table_metadata() | ||
| .current_schema()? | ||
| .clone() | ||
| .try_into()?; | ||
|
|
||
| for f1 in schema.fields() { | ||
| if !iceberg_schema.fields.iter().any(|f2| f2.name() == &f1.name) { | ||
| return Err(anyhow::anyhow!(format!( | ||
| "Column {} not found in iceberg table", | ||
| f1.name | ||
| ))); | ||
| } | ||
| } | ||
|
|
||
| let new_iceberg_field = iceberg_schema | ||
| .fields | ||
| .iter() | ||
| .filter(|f1| schema.fields.iter().any(|f2| f1.name() == &f2.name)) | ||
| .cloned() | ||
| .collect::<Vec<_>>(); | ||
| let new_iceberg_schema = arrow_schema::Schema::new(new_iceberg_field); | ||
|
|
||
| crate::sink::iceberg::try_matches_arrow_schema(&schema, &new_iceberg_schema)?; | ||
| Ok(Self {}) | ||
| } | ||
| None => unreachable!(), | ||
| } | ||
| } | ||
|
|
||
| async fn list_splits(&mut self) -> anyhow::Result<Vec<Self::Split>> { | ||
| Ok(vec![]) | ||
| } | ||
| } | ||
|
|
||
| #[derive(Debug)] | ||
| pub struct IcebergFileReader {} | ||
|
|
||
| #[async_trait] | ||
| impl SplitReader for IcebergFileReader { | ||
| type Properties = IcebergProperties; | ||
| type Split = IcebergSplit; | ||
|
|
||
| async fn new( | ||
| _props: IcebergProperties, | ||
| _splits: Vec<IcebergSplit>, | ||
| _parser_config: ParserConfig, | ||
| _source_ctx: SourceContextRef, | ||
| _columns: Option<Vec<Column>>, | ||
| ) -> anyhow::Result<Self> { | ||
| unimplemented!() | ||
| } | ||
|
|
||
| fn into_stream(self) -> BoxChunkSourceStream { | ||
| unimplemented!() | ||
| } | ||
| } |
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