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20 lines
404 B
C++
20 lines
404 B
C++
#pragma once
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#include <Parsers/IParserBase.h>
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namespace DB
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{
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/** Sampling factor of the form 0.1 or 1/10.
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* It is parsed as a rational number without conversion to IEEE-754.
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*/
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class ParserSampleRatio : public IParserBase
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{
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protected:
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const char * getName() const override { return "Sample ratio or offset"; }
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bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected) override;
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};
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}
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