121 lines
3.4 KiB
Rust
121 lines
3.4 KiB
Rust
// Copyright 2024 RustFS Team
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use s3s::dto::SelectObjectContentInput;
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use std::sync::Arc;
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use crate::{SelectInputMetrics, SelectObjectSnapshot};
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pub mod analyzer;
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pub mod ast;
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pub mod dispatcher;
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pub mod execution;
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pub mod function;
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pub mod logical_planner;
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pub mod optimizer;
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pub mod parser;
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pub mod physical_planner;
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pub mod scheduler;
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pub mod session;
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#[derive(Clone)]
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pub struct Context {
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// maybe we need transfer some info?
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pub input: Arc<SelectObjectContentInput>,
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}
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#[derive(Clone)]
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pub struct Query {
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context: Context,
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content: String,
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snapshot: Option<Arc<SelectObjectSnapshot>>,
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input_metrics: Arc<SelectInputMetrics>,
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}
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impl Query {
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#[inline(always)]
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pub fn new(context: Context, content: String) -> Self {
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Self {
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context,
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content,
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snapshot: None,
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input_metrics: Arc::new(SelectInputMetrics::default()),
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}
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}
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#[inline(always)]
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pub fn new_with_snapshot(context: Context, content: String, snapshot: Arc<SelectObjectSnapshot>) -> Self {
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Self {
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context,
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content,
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snapshot: Some(snapshot),
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input_metrics: Arc::new(SelectInputMetrics::default()),
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}
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}
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pub fn context(&self) -> &Context {
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&self.context
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}
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pub fn content(&self) -> &str {
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self.content.as_str()
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}
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pub fn snapshot(&self) -> Option<&Arc<SelectObjectSnapshot>> {
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self.snapshot.as_ref()
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}
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pub fn input_metrics(&self) -> &Arc<SelectInputMetrics> {
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&self.input_metrics
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}
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pub fn for_execution(&self) -> Self {
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Self {
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context: self.context.clone(),
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content: self.content.clone(),
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snapshot: self.snapshot.clone(),
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input_metrics: Arc::new(SelectInputMetrics::default()),
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}
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}
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}
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#[cfg(test)]
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fn test_query() -> Query {
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use s3s::dto::{CSVInput, CSVOutput, ExpressionType, InputSerialization, OutputSerialization, SelectObjectContentRequest};
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let input = SelectObjectContentInput {
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bucket: "bucket".to_string(),
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expected_bucket_owner: None,
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key: "input.csv".to_string(),
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sse_customer_algorithm: None,
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sse_customer_key: None,
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sse_customer_key_md5: None,
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request: SelectObjectContentRequest {
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expression: "SELECT * FROM S3Object".to_string(),
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expression_type: ExpressionType::from_static(ExpressionType::SQL),
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input_serialization: InputSerialization {
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csv: Some(CSVInput::default()),
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..Default::default()
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},
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output_serialization: OutputSerialization {
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csv: Some(CSVOutput::default()),
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..Default::default()
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},
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request_progress: None,
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scan_range: None,
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},
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};
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Query::new(Context { input: Arc::new(input) }, "SELECT * FROM S3Object".to_string())
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}
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