processing/src/main/java/org/apache/druid/query/groupby/epinephelinae/vector/GroupByVectorColumnSelector.java
/**
   * Write key parts for this column into a particular result row.
   *
   * @param keyMemory         key memory
   * @param keyOffset         starting position for this key part within keyMemory
   *                          (starting from {@link MemoryPointer#position})
   * @param resultRow         result row to receive key parts
   * @param resultRowPosition position within the result row for this key part
   */
Write key parts for this column into a particular result row.
@param keyMemory         key memory
@param keyOffset         starting position for this key part within keyMemory
(starting from  MemoryPointer#position)
@param resultRow         result row to receive key parts
@param resultRowPosition position within the result row for this key part
Write key parts for this column into a particular result row . @param keyMemory key memory @param keyOffset starting position for this key part within keyMemory ( starting from MemoryPointer#position ) @param resultRow result row to receive key parts @param resultRowPosition position within the result row for this key part
void writeKeyToResultRow(
      MemoryPointer keyMemory,
      int keyOffset,
      ResultRow resultRow,
      int resultRowPosition
  );
void writeKeyToResultRow ( MemoryPointer keyMemory , int keyOffset , ResultRow resultRow , int resultRowPosition ) ;
Write key parts for this column into a particular result row.
Write key parts for this column into a particular result row .