Revert decoder change

mapleFU · Jan 30, 2024 · dc567e8 · dc567e8
1 parent f156149
commit dc567e8
Showing 1 changed file with 2 additions and 10 deletions.
diff --git a/cpp/src/parquet/encoding.cc b/cpp/src/parquet/encoding.cc
@@ -2414,11 +2414,7 @@ class DeltaBitPackDecoder : public DecoderImpl, virtual public TypedDecoder<DTyp
   void SetData(int num_values, const uint8_t* data, int len) override {
     // num_values is equal to page's num_values, including null values in this page
     this->num_values_ = num_values;
-    if (decoder_ == nullptr) {
-      decoder_ = std::make_shared<::arrow::bit_util::BitReader>(data, len);
-    } else {
-      decoder_->Reset(data, len);
-    }
+    decoder_ = std::make_shared<::arrow::bit_util::BitReader>(data, len);
     InitHeader();
   }
 
@@ -2777,11 +2773,7 @@ class DeltaLengthByteArrayDecoder : public DecoderImpl,
 
   void SetData(int num_values, const uint8_t* data, int len) override {
     DecoderImpl::SetData(num_values, data, len);
-    if (decoder_ == nullptr) {
-      decoder_ = std::make_shared<::arrow::bit_util::BitReader>(data, len);
-    } else {
-      decoder_->Reset(data, len);
-    }
+    decoder_ = std::make_shared<::arrow::bit_util::BitReader>(data, len);
     DecodeLengths();
   }