Update dbms/src/IO/Compression/CompressionCodecFOR.cpp

Co-authored-by: jinhelin <linjinhe33@gmail.com>
pingcap · Jun 21, 2024 · b2b7319 · b2b7319
1 parent 9fb1b33
commit b2b7319
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/dbms/src/IO/Compression/CompressionCodecFOR.cpp b/dbms/src/IO/Compression/CompressionCodecFOR.cpp
@@ -53,8 +53,7 @@ template <std::integral T>
 UInt32 CompressionCodecFOR::compressData(const T * source, UInt32 count, char * dest)
 {
  assert(count > 0); // doCompressData ensure it
- std::vector<T> values(count);
- values.assign(source, source + count);
+ std::vector<T> values(source, source + count);
  T frame_of_reference = *std::min_element(values.cbegin(), values.cend());
  UInt8 width = DB::Compression::FOREncodingWidth(values, frame_of_reference);
  return DB::Compression::FOREncoding<T, std::is_signed_v<T>>(values, frame_of_reference, width, dest);