Dandandan commented on code in PR #19910:
URL: https://github.com/apache/datafusion/pull/19910#discussion_r2709014166
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datafusion/physical-expr-common/src/binary_map.rs:
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@@ -427,7 +427,7 @@ where
// Check if the value is already present in the set
let entry = self.map.find_mut(hash, |header| {
// compare value if hashes match
- if header.len != value_len {
+ if header.hash != hash {
Review Comment:
This should save some random access if a lot of values share the same length
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