24 lines
706 B
Rust
24 lines
706 B
Rust
use std::collections::HashSet;
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use std::sync::Arc;
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use datafusion::logical_expr::{AggregateUDF, ScalarUDF, WindowUDF};
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use crate::QueryResult;
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pub type FuncMetaManagerRef = Arc<dyn FunctionMetadataManager + Send + Sync>;
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pub trait FunctionMetadataManager {
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fn register_udf(&mut self, udf: ScalarUDF) -> QueryResult<()>;
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fn register_udaf(&mut self, udaf: AggregateUDF) -> QueryResult<()>;
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fn register_udwf(&mut self, udwf: WindowUDF) -> QueryResult<()>;
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fn udf(&self, name: &str) -> QueryResult<Arc<ScalarUDF>>;
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fn udaf(&self, name: &str) -> QueryResult<Arc<AggregateUDF>>;
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fn udwf(&self, name: &str) -> QueryResult<Arc<WindowUDF>>;
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fn udfs(&self) -> HashSet<String>;
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}
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