ClickHouse/dbms/Parsers/ASTColumnDeclaration.cpp
Ivan 97f2a2213e
Move all folders inside /dbms one level up (#9974)
* Move some code outside dbms/src folder
* Fix paths
2020-04-02 02:51:21 +03:00

88 lines
2.1 KiB
C++

#include <Parsers/ASTColumnDeclaration.h>
#include <Common/quoteString.h>
namespace DB
{
ASTPtr ASTColumnDeclaration::clone() const
{
const auto res = std::make_shared<ASTColumnDeclaration>(*this);
res->children.clear();
if (type)
{
res->type = type;
res->children.push_back(res->type);
}
if (default_expression)
{
res->default_expression = default_expression->clone();
res->children.push_back(res->default_expression);
}
if (comment)
{
res->comment = comment->clone();
res->children.push_back(res->comment);
}
if (codec)
{
res->codec = codec->clone();
res->children.push_back(res->codec);
}
if (ttl)
{
res->ttl = ttl->clone();
res->children.push_back(res->ttl);
}
return res;
}
void ASTColumnDeclaration::formatImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const
{
frame.need_parens = false;
if (!settings.one_line)
settings.ostr << settings.nl_or_ws << std::string(4 * frame.indent, ' ');
/// We have to always backquote column names to avoid ambiguouty with INDEX and other declarations in CREATE query.
settings.ostr << backQuote(name);
if (type)
{
settings.ostr << ' ';
type->formatImpl(settings, state, frame);
}
if (default_expression)
{
settings.ostr << ' ' << (settings.hilite ? hilite_keyword : "") << default_specifier << (settings.hilite ? hilite_none : "") << ' ';
default_expression->formatImpl(settings, state, frame);
}
if (comment)
{
settings.ostr << ' ' << (settings.hilite ? hilite_keyword : "") << "COMMENT" << (settings.hilite ? hilite_none : "") << ' ';
comment->formatImpl(settings, state, frame);
}
if (codec)
{
settings.ostr << ' ';
codec->formatImpl(settings, state, frame);
}
if (ttl)
{
settings.ostr << ' ' << (settings.hilite ? hilite_keyword : "") << "TTL" << (settings.hilite ? hilite_none : "") << ' ';
ttl->formatImpl(settings, state, frame);
}
}
}