nathanb9 commented on code in PR #22584:
URL: https://github.com/apache/datafusion/pull/22584#discussion_r3356568094
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datafusion/ffi/src/physical_optimizer.rs:
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@@ -31,6 +32,99 @@ use crate::execution_plan::FFI_ExecutionPlan;
use crate::util::FFI_Result;
use crate::{df_result, sresult_return};
+/// A stable struct for sharing [`PhysicalOptimizerContext`] across FFI
boundaries.
+///
+/// This provides access to configuration options and an optional statistics
registry
+/// for optimizer rules that need extended context.
+#[repr(C)]
+#[derive(Debug)]
+pub struct FFI_PhysicalOptimizerContext {
+ pub config_options:
+ unsafe extern "C" fn(&FFI_PhysicalOptimizerContext) ->
FFI_ConfigOptions,
+
+ /// Returns true if a statistics registry is available.
+ pub has_statistics_registry:
+ unsafe extern "C" fn(&FFI_PhysicalOptimizerContext) -> bool,
+
Review Comment:
Removed `has_statistics_registry` fn pointer and backing function
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