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29 lines
644 B
C++
29 lines
644 B
C++
#pragma once
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#include <Parsers/IAST.h>
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namespace DB
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{
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class ASTFunction;
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/** name BY columns TYPE typename(args) in create query
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*/
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class ASTStatisticDeclaration : public IAST
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{
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public:
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IAST * columns;
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/// TODO type should be a list of ASTFunction, for example, 'tdigest(256), hyperloglog(128)', etc.
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String type;
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/** Get the text that identifies this element. */
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String getID(char) const override { return "Stat"; }
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std::vector<String> getColumnNames() const;
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ASTPtr clone() const override;
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void formatImpl(const FormatSettings & s, FormatState & state, FormatStateStacked frame) const override;
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};
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}
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