42 lines
985 B
Rust
42 lines
985 B
Rust
use async_trait::async_trait;
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use crate::{
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query::{
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execution::{Output, QueryStateMachineRef},
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logical_planner::Plan,
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Query,
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},
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QueryResult,
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};
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pub struct QueryHandle {
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query: Query,
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result: Output,
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}
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impl QueryHandle {
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pub fn new(query: Query, result: Output) -> Self {
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Self { query, result }
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}
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pub fn query(&self) -> &Query {
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&self.query
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}
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pub fn result(self) -> Output {
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self.result
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}
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}
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#[async_trait]
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pub trait DatabaseManagerSystem {
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async fn execute(&self, query: &Query) -> QueryResult<QueryHandle>;
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async fn build_query_state_machine(&self, query: Query) -> QueryResult<QueryStateMachineRef>;
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async fn build_logical_plan(&self, query_state_machine: QueryStateMachineRef) -> QueryResult<Option<Plan>>;
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async fn execute_logical_plan(
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&self,
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logical_plan: Plan,
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query_state_machine: QueryStateMachineRef,
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) -> QueryResult<QueryHandle>;
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}
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