How to use

com.facebook.presto.sql.tree.Row

constructor

public static Row row(Expression... values)
{
  return new Row(ImmutableList.copyOf(values));
}

private Expression createEmptyColumnStatsRow(String columnName)
{
  ImmutableList.Builder<Expression> rowValues = ImmutableList.builder();
  rowValues.add(new StringLiteral(columnName));
  rowValues.add(NULL_DOUBLE);
  rowValues.add(NULL_DOUBLE);
  rowValues.add(NULL_DOUBLE);
  rowValues.add(NULL_DOUBLE);
  rowValues.add(NULL_VARCHAR);
  rowValues.add(NULL_VARCHAR);
  return new Row(rowValues.build());
}

private static Row createTableStatsRow(TableStatistics tableStatistics)
{
  ImmutableList.Builder<Expression> rowValues = ImmutableList.builder();
  rowValues.add(NULL_VARCHAR);
  rowValues.add(NULL_DOUBLE);
  rowValues.add(NULL_DOUBLE);
  rowValues.add(NULL_DOUBLE);
  rowValues.add(createEstimateRepresentation(tableStatistics.getRowCount()));
  rowValues.add(NULL_VARCHAR);
  rowValues.add(NULL_VARCHAR);
  return new Row(rowValues.build());
}

private Row createColumnStatsRow(String columnName, Type type, ColumnStatistics columnStatistics)
{
  ImmutableList.Builder<Expression> rowValues = ImmutableList.builder();
  rowValues.add(new StringLiteral(columnName));
  rowValues.add(createEstimateRepresentation(columnStatistics.getDataSize()));
  rowValues.add(createEstimateRepresentation(columnStatistics.getDistinctValuesCount()));
  rowValues.add(createEstimateRepresentation(columnStatistics.getNullsFraction()));
  rowValues.add(NULL_DOUBLE);
  rowValues.add(toStringLiteral(type, columnStatistics.getRange().map(DoubleRange::getMin)));
  rowValues.add(toStringLiteral(type, columnStatistics.getRange().map(DoubleRange::getMax)));
  return new Row(rowValues.build());
}

@Override
public Node visitRowConstructor(SqlBaseParser.RowConstructorContext context)
{
  return new Row(getLocation(context), visit(context.expression(), Expression.class));
}

@Override
protected Object visitRow(Row node, Object context)
{
  RowType rowType = (RowType) type(node);
  List<Type> parameterTypes = rowType.getTypeParameters();
  List<Expression> arguments = node.getItems();
  int cardinality = arguments.size();
  List<Object> values = new ArrayList<>(cardinality);
  for (Expression argument : arguments) {
    values.add(process(argument, context));
  }
  if (hasUnresolvedValue(values)) {
    return new Row(toExpressions(values, parameterTypes));
  }
  else {
    BlockBuilder blockBuilder = new RowBlockBuilder(parameterTypes, null, 1);
    BlockBuilder singleRowBlockWriter = blockBuilder.beginBlockEntry();
    for (int i = 0; i < cardinality; ++i) {
      writeNativeValue(parameterTypes.get(i), singleRowBlockWriter, values.get(i));
    }
    blockBuilder.closeEntry();
    return rowType.getObject(blockBuilder, 0);
  }
}

new QuerySpecification(
    selectList(
        new DereferenceExpression(new Cast(new Row(Lists.newArrayList(new LongLiteral("11"), new LongLiteral("12"))), "ROW(COL0 INTEGER,COL1 INTEGER)"), identifier("col0"))),
    Optional.empty(),
    Optional.empty(),

public static Row row(Expression... values)
{
  return new Row(ImmutableList.copyOf(values));
}

public static Row row(Expression... values)
{
  return new Row(ImmutableList.copyOf(values));
}

@Override
public Node visitRowConstructor(SqlBaseParser.RowConstructorContext context)
{
  return new Row(getLocation(context), visit(context.expression(), Expression.class));
}

@Override
public Node visitRowConstructor(SqlBaseParser.RowConstructorContext context)
{
  return new Row(getLocation(context), visit(context.expression(), Expression.class));
}

new QuerySpecification(
    selectList(
        new DereferenceExpression(new Cast(new Row(Lists.newArrayList(new LongLiteral("11"), new LongLiteral("12"))), "ROW(COL0 INTEGER,COL1 INTEGER)"), identifier("col0"))),
    Optional.empty(),
    Optional.empty(),