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24 lines
543 B
C++
24 lines
543 B
C++
#pragma once
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#include <Parsers/ASTQueryWithOutput.h>
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namespace DB
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{
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/** Single SELECT query or multiple SELECT queries with UNION ALL.
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* Only UNION ALL is possible. No UNION DISTINCT or plain UNION.
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*/
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class ASTSelectWithUnionQuery : public ASTQueryWithOutput
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{
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public:
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String getID(char) const override { return "SelectWithUnionQuery"; }
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ASTPtr clone() const override;
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void formatQueryImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const override;
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ASTPtr list_of_selects;
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};
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}
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