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#include <Parsers/ASTIndexDeclaration.h>
#include <Common/quoteString.h>
#include <IO/Operators.h>
#include <Parsers/ASTFunction.h>
namespace DB
{
ASTPtr ASTIndexDeclaration::clone() const
{
auto res = std::make_shared<ASTIndexDeclaration>();
res->name = name;
if (granularity)
res->granularity = granularity;
if (expr)
res->set(res->expr, expr->clone());
if (type)
res->set(res->type, type->clone());
return res;
}
void ASTIndexDeclaration::formatImpl(const FormatSettings & s, FormatState & state, FormatStateStacked frame) const
{
if (expr)
{
if (part_of_create_index_query)
{
if (expr->as<ASTExpressionList>())
{
s.ostr << "(";
expr->formatImpl(s, state, frame);
s.ostr << ")";
}
else
expr->formatImpl(s, state, frame);
}
else
{
s.ostr << backQuoteIfNeed(name);
s.ostr << " ";
expr->formatImpl(s, state, frame);
}
}
if (type)
{
s.ostr << (s.hilite ? hilite_keyword : "") << " TYPE " << (s.hilite ? hilite_none : "");
type->formatImpl(s, state, frame);
}
if (granularity)
{
s.ostr << (s.hilite ? hilite_keyword : "") << " GRANULARITY " << (s.hilite ? hilite_none : "");
s.ostr << granularity;
}
}
}
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