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34 lines
772 B
C++
34 lines
772 B
C++
#pragma once
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#include <DB/Parsers/IAST.h>
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namespace DB
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{
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/** USE запрос
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*/
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class ASTUseQuery : public IAST
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{
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public:
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String database;
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ASTUseQuery() = default;
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ASTUseQuery(const StringRange range_) : IAST(range_) {}
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/** Получить текст, который идентифицирует этот элемент. */
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String getID() const override { return "UseQuery_" + database; };
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ASTPtr clone() const override { return std::make_shared<ASTUseQuery>(*this); }
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protected:
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void formatImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const override
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{
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settings.ostr << (settings.hilite ? hilite_keyword : "") << "USE " << (settings.hilite ? hilite_none : "") << backQuoteIfNeed(database);
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return;
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}
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};
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}
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