comphead commented on code in PR #24526:
URL: https://github.com/apache/datafusion/pull/24526#discussion_r3858695166
##########
datafusion/pruning/src/pruning_predicate.rs:
##########
@@ -1492,14 +1537,15 @@ impl PredicateRewriter {
self
}
- /// Set the maximum size of an `IN (...)` list that will be rewritten into
a
- /// chain of per-value statistics checks. Lists longer than this fall back
+ /// Set the maximum size of an `IN (...)` list eligible for statistics
+ /// pruning. Large positive literal string lists use a compact sorted
+ /// domain; other eligible lists use per-value checks. Longer lists fall
back
/// to the unhandled-predicate hook (typically "keep the container"),
/// effectively skipping container-level pruning for large IN lists.
///
/// The default (see [`MAX_IN_LIST_SIZE`]) preserves the
/// historical behaviour. Callers wiring config through can override via
- /// `datafusion.execution.max_in_list_size`.
+ /// `datafusion.execution.parquet.max_in_list_size`.
Review Comment:
👍
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