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44 lines
836 B
C++
44 lines
836 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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/** Name, type, default-specifier, default-expression.
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* The type is optional if default-expression is specified.
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*/
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class ASTColumnDeclaration : public IAST
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{
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public:
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String name;
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ASTPtr type;
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String default_specifier;
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ASTPtr default_expression;
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ASTColumnDeclaration() = default;
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ASTColumnDeclaration(StringRange range) : IAST{range} {}
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String getID() const { return "ColumnDeclaration_" + name; }
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ASTPtr clone() const
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{
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const auto res = new ASTColumnDeclaration{*this};
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res->children.clear();
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if (type) {
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res->type = type->clone();
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res->children.push_back(res->type);
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}
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if (default_expression) {
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res->default_expression = default_expression->clone();
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res->children.push_back(res->default_expression);
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}
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return res;
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}
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};
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}
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