thinkharderdev commented on code in PR #12523:
URL: https://github.com/apache/datafusion/pull/12523#discussion_r1769224360
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datafusion/physical-plan/src/joins/hash_join.rs:
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@@ -71,11 +71,68 @@ use datafusion_physical_expr::equivalence::{
use datafusion_physical_expr::PhysicalExprRef;
use ahash::RandomState;
+use arrow_buffer::BooleanBuffer;
use datafusion_expr::Operator;
use datafusion_physical_expr_common::datum::compare_op_for_nested;
use futures::{ready, Stream, StreamExt, TryStreamExt};
use parking_lot::Mutex;
+/// `SharedJoinState` provides an extension point allowing
+/// `HashJoinStream` to share the `visited_indices_bitmap` of the build side
of a join
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