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30 lines
838 B
C++
30 lines
838 B
C++
#pragma once
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#include <Parsers/ASTWithAlias.h>
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namespace DB
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{
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/// Parameter in query with name and type of substitution ({name:type}).
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/// Example: SELECT * FROM table WHERE id = {pid:UInt16}.
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class ASTQueryParameter : public ASTWithAlias
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{
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public:
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String name;
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String type;
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ASTQueryParameter(const String & name_, const String & type_) : name(name_), type(type_) {}
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/** Get the text that identifies this element. */
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String getID(char delim) const override { return String("QueryParameter") + delim + name + ':' + type; }
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ASTPtr clone() const override { return std::make_shared<ASTQueryParameter>(*this); }
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protected:
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void formatImplWithoutAlias(const FormatSettings & settings, FormatState &, FormatStateStacked) const override;
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void appendColumnNameImpl(WriteBuffer & ostr) const override;
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};
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}
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