[GitHub] [arrow] pitrou commented on a diff in pull request #35731: GH-35729: [C++][Parquet] Implement batch interface for BloomFilter in Parquet

["pitrou (via GitHub)" <gi...@apache.org>]

pitrou commented on code in PR #35731:
URL: https://github.com/apache/arrow/pull/35731#discussion_r1203842488


##########
cpp/src/parquet/bloom_filter.h:
##########
@@ -200,6 +257,11 @@ class PARQUET_EXPORT BlockSplitBloomFilter : public BloomFilter {
 
   bool FindHash(uint64_t hash) const override;
   void InsertHash(uint64_t hash) override;
+  void InsertHashes(const uint64_t* hashes, int num_values) override {
+    for (int i = 0; i < num_values; ++i) {
+      InsertHash(hashes[i]);

Review Comment:
   The point here is to avoid calling `InsertHash` many times, so this trivial implementation doesn't seem useful.



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