ClickHouse/dbms/src/Parsers/ASTIdentifier.cpp

#include <Parsers/ASTIdentifier.h>
#include <IO/WriteBufferFromOStream.h>
#include <IO/WriteHelpers.h>


namespace DB
{

void ASTIdentifier::formatImplWithoutAlias(const FormatSettings & settings, FormatState &, FormatStateStacked) const
{
    auto format_element = [&](const String & name)
    {
        settings.ostr << (settings.hilite ? hilite_identifier : "");

        WriteBufferFromOStream wb(settings.ostr, 32);
        writeProbablyBackQuotedString(name, wb);
        wb.next();

        settings.ostr << (settings.hilite ? hilite_none : "");
    };

    /// A simple or compound identifier?

    if (children.size() > 1)
    {
        for (size_t i = 0, size = children.size(); i < size; ++i)
        {
            if (i != 0)
                settings.ostr << '.';

            format_element(static_cast<const ASTIdentifier &>(*children[i].get()).name);
        }
    }
    else
    {
        format_element(name);
    }
}

}