ClickHouse/src/Parsers/ASTProjectionDeclaration.cpp
2022-02-07 10:47:11 +08:00

32 lines
966 B
C++

#include <IO/Operators.h>
#include <Parsers/ASTProjectionDeclaration.h>
#include <Common/quoteString.h>
namespace DB
{
ASTPtr ASTProjectionDeclaration::clone() const
{
auto res = std::make_shared<ASTProjectionDeclaration>();
res->name = name;
if (query)
res->set(res->query, query->clone());
return res;
}
void ASTProjectionDeclaration::formatImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const
{
settings.ostr << backQuoteIfNeed(name);
std::string indent_str = settings.one_line ? "" : std::string(4u * frame.indent, ' ');
std::string nl_or_nothing = settings.one_line ? "" : "\n";
settings.ostr << settings.nl_or_ws << indent_str << "(" << nl_or_nothing;
FormatStateStacked frame_nested = frame;
frame_nested.need_parens = false;
++frame_nested.indent;
query->formatImpl(settings, state, frame_nested);
settings.ostr << nl_or_nothing << indent_str << ")";
}
}