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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| // Copyright 2021 Datafuse 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. | ||
|
|
||
| pub mod view_table; | ||
| pub use view_table::ViewTable; |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,83 @@ | ||
| // Copyright 2022 Datafuse 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::any::Any; | ||
| use std::collections::HashSet; | ||
| use std::collections::VecDeque; | ||
| use std::sync::Arc; | ||
|
|
||
| use common_exception::ErrorCode; | ||
| use common_datablocks::DataBlock; | ||
| use common_datavalues::ColumnRef; | ||
| use common_exception::Result; | ||
| use common_infallible::Mutex; | ||
| use common_infallible::RwLock; | ||
| use common_meta_types::TableInfo; | ||
| use common_planners::Extras; | ||
| use common_planners::Partitions; | ||
| use common_planners::ReadDataSourcePlan; | ||
| use common_planners::Statistics; | ||
| use common_planners::TruncateTablePlan; | ||
| use common_streams::SendableDataBlockStream; | ||
|
|
||
| use crate::pipelines::new::processors::port::OutputPort; | ||
| use crate::pipelines::new::processors::processor::ProcessorPtr; | ||
| use crate::pipelines::new::processors::SyncSource; | ||
| use crate::pipelines::new::processors::SyncSourcer; | ||
| use crate::pipelines::new::NewPipeline; | ||
| use crate::pipelines::new::SourcePipeBuilder; | ||
| use crate::sessions::QueryContext; | ||
| use crate::storages::StorageContext; | ||
| use crate::storages::StorageDescription; | ||
| use crate::storages::Table; | ||
|
|
||
| pub struct ViewTable { | ||
| table_info: TableInfo, | ||
| pub query: String, | ||
| } | ||
|
|
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| pub const VIEW_ENGINE: &str = "VIEW"; | ||
| pub const QUERY: &str = "query"; | ||
|
|
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| impl ViewTable { | ||
| pub fn try_create(ctx: StorageContext, table_info: TableInfo) -> Result<Box<dyn Table>> { | ||
| let query = table_info.options().get(QUERY).cloned(); | ||
| if let Some(query) = query { | ||
| Ok(Box::new(ViewTable { | ||
| query, | ||
| table_info, | ||
| })) | ||
| }else { | ||
| Err(ErrorCode::LogicalError("Need `query` when creating ViewTable")) | ||
| } | ||
| } | ||
|
|
||
| pub fn description() -> StorageDescription { | ||
| StorageDescription { | ||
| engine_name: "VIEW".to_string(), | ||
| comment: "VIEW STORAGE (LOGICAL VIEW)".to_string(), | ||
| } | ||
| } | ||
| } | ||
|
|
||
| #[async_trait::async_trait] | ||
| impl Table for ViewTable { | ||
| fn as_any(&self) -> &dyn Any { | ||
| self | ||
| } | ||
|
|
||
| fn get_table_info(&self) -> &TableInfo { | ||
| &self.table_info | ||
| } | ||
| } |