jizezhang commented on code in PR #18688:
URL: https://github.com/apache/datafusion/pull/18688#discussion_r2529689618
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datafusion/core/src/execution/context/mod.rs:
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@@ -1884,6 +1890,15 @@ pub enum RegisterFunction {
Table(String, Arc<dyn TableFunctionImpl>),
}
+/// Interface for applying a custom caching strategy.
+/// Implement this trait and register via [`SessionState`]
+/// to create a custom logical node for caching.
+pub trait CacheProducer: Debug + Sync + Send {
+ /// Create a custom logical node for caching
+ /// given a logical plan (of DF to cache).
+ fn create(&self, plan: LogicalPlan) -> Result<Arc<dyn
UserDefinedLogicalNode>>;
Review Comment:
Yes, updated the method signature to include session state.
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