How to use

getDisplayName

method

in

com.facebook.presto.spi.type.TimeWithTimeZoneType

@Override
public Expression rewriteAtTimeZone(AtTimeZone node, Void context, ExpressionTreeRewriter<Void> treeRewriter)
{
  Expression value = treeRewriter.rewrite(node.getValue(), context);
  Type type = getType(node.getValue());
  if (type.equals(TIME)) {
    value = new Cast(value, TIME_WITH_TIME_ZONE.getDisplayName());
  }
  else if (type.equals(TIMESTAMP)) {
    value = new Cast(value, TIMESTAMP_WITH_TIME_ZONE.getDisplayName());
  }
  return new FunctionCall(QualifiedName.of("at_timezone"), ImmutableList.of(value, treeRewriter.rewrite(node.getTimeZone(), context)));
}

  @Override
  public Expression rewriteAtTimeZone(AtTimeZone node, Void context, ExpressionTreeRewriter<Void> treeRewriter)
  {
    Expression value = treeRewriter.rewrite(node.getValue(), context);
    Type type = expressionTypes.get(value);
    if (type.equals(TIME)) {
      value = new Cast(value, TIME_WITH_TIME_ZONE.getDisplayName());
    }
    else if (type.equals(TIMESTAMP)) {
      value = new Cast(value, TIMESTAMP_WITH_TIME_ZONE.getDisplayName());
    }

    return new FunctionCall(QualifiedName.of("at_timezone"), ImmutableList.of(
        value,
        treeRewriter.rewrite(node.getTimeZone(), context)));
  }
}