public static void set(final int[][] array, final long index, int value) {
    array[segment(index)][displacement(index)] = value;
  }
Sets the element of the given big array of specified index.

@param array a big array.
@param index a position in the big array.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/execution/operator/source/relational/aggregation/grouped/array/IntBigArrays.java