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