rok commented on code in PR #41546:
URL: https://github.com/apache/arrow/pull/41546#discussion_r1590752598


##########
cpp/src/parquet/encoding.cc:
##########
@@ -2768,6 +2767,10 @@ class DeltaLengthByteArrayEncoder : public EncoderImpl,
             return Status::Invalid(
                 "Parquet cannot store strings with size 2GB or more, got: ", 
view.size());
           }
+          if (ARROW_PREDICT_FALSE(view.size() + sink_.length() >
+                                  std::numeric_limits<int32_t>::max())) {

Review Comment:
   CI is throwing:
   ```bash
    comparison of integer expressions of different signedness: 'long unsigned 
int' and 'int'
   ```



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