protected void appendValueToResultWhenMatches(int tmpRightBlockListIdx, int tmpRightIndex) {
    appendLeftBlockData(leftOutputSymbolIdx, resultBuilder, leftBlock, leftIndex);

    appendRightBlockData(
        rightBlockList,
        tmpRightBlockListIdx,
        tmpRightIndex,
        leftOutputSymbolIdx,
        rightOutputSymbolIdx,
        resultBuilder);

    resultBuilder.declarePosition();
  }
@return true if current right block is consumed up
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/execution/operator/source/relational/AbstractMergeSortJoinOperator.java