mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 02:41:59 +00:00
61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
#pragma once
|
|
|
|
#include <Core/Field.h>
|
|
#include <Core/Types.h>
|
|
#include <Common/FieldVisitors.h>
|
|
#include <Common/quoteString.h>
|
|
#include <Parsers/ASTExpressionList.h>
|
|
#include <Parsers/ASTFunction.h>
|
|
#include <Parsers/IAST.h>
|
|
|
|
#include <vector>
|
|
|
|
|
|
namespace DB
|
|
{
|
|
|
|
/** name BY expr TYPE typename(args) GRANULARITY int in create query
|
|
*/
|
|
class ASTIndexDeclaration : public IAST
|
|
{
|
|
public:
|
|
String name;
|
|
IAST * expr;
|
|
ASTFunction * type;
|
|
UInt64 granularity;
|
|
|
|
/** Get the text that identifies this element. */
|
|
String getID(char) const override { return "Index"; }
|
|
|
|
ASTPtr clone() const override
|
|
{
|
|
auto res = std::make_shared<ASTIndexDeclaration>();
|
|
|
|
res->name = name;
|
|
res->granularity = granularity;
|
|
|
|
if (expr)
|
|
res->set(res->expr, expr->clone());
|
|
if (type)
|
|
res->set(res->type, type->clone());
|
|
return res;
|
|
}
|
|
|
|
void formatImpl(const FormatSettings & s, FormatState & state, FormatStateStacked frame) const override
|
|
{
|
|
frame.need_parens = false;
|
|
std::string indent_str = s.one_line ? "" : std::string(4 * frame.indent, ' ');
|
|
|
|
s.ostr << s.nl_or_ws << indent_str;
|
|
s.ostr << backQuoteIfNeed(name);
|
|
s.ostr << " ";
|
|
expr->formatImpl(s, state, frame);
|
|
s.ostr << (s.hilite ? hilite_keyword : "") << " TYPE " << (s.hilite ? hilite_none : "");
|
|
type->formatImpl(s, state, frame);
|
|
s.ostr << (s.hilite ? hilite_keyword : "") << " GRANULARITY " << (s.hilite ? hilite_none : "");
|
|
s.ostr << granularity;
|
|
}
|
|
};
|
|
|
|
}
|