github-actions[bot] commented on code in PR #25629:
URL: https://github.com/apache/doris/pull/25629#discussion_r1365137113


##########
be/src/vec/common/hash_table/hash_map.h:
##########
@@ -232,17 +233,48 @@ class JoinHashMapTable : public HashMapTable<Key, Cell, 
Hash, Grower, Allocator>
                     int probe_rows, std::vector<uint32_t>& probe_idxs,
                     std::vector<int>& build_idxs) {
         auto matched_cnt = 0;
-        while (probe_idx < probe_rows && matched_cnt < 4096) {
+        const auto batch_size = max_batch_size;
+
+        if (probe_idx == current_probe_idx) {
+            current_probe_idx = -1;
+            auto build_idx = current_build_idx;
+            current_build_idx = 0;
+
+            while (build_idx && LIKELY(matched_cnt < batch_size)) {
+                if (keys[probe_idx] == build_keys[build_idx]) {
+                    probe_idxs[matched_cnt] = probe_idx;
+                    build_idxs[matched_cnt] = build_idx;
+                    matched_cnt++;
+                }
+                build_idx = next[build_idx];
+            }
+
+            if (matched_cnt == max_batch_size && build_idx) {
+                current_probe_idx = probe_idx;
+                current_build_idx = build_idx;
+                return std::pair {probe_idx, matched_cnt};
+            }
+            probe_idx++;
+        }
+
+        while (LIKELY(probe_idx < probe_rows && matched_cnt < batch_size)) {

Review Comment:
   warning: boolean expression can be simplified by DeMorgan's theorem 
[readability-simplify-boolean-expr]
   ```cpp
           while (LIKELY(probe_idx < probe_rows && matched_cnt < batch_size)) {
                  ^
   ```
   <details>
   <summary>Additional context</summary>
   
   **be/src/common/compiler_util.h:34:** expanded from macro 'LIKELY'
   ```cpp
   #define LIKELY(expr) __builtin_expect(!!(expr), 1)
                                          ^
   ```
   
   </details>
   



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