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b680697cce
The cost of initializing members is insignificant in compare to parsing, while the cost of the error is high. Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
37 lines
999 B
C++
37 lines
999 B
C++
#pragma once
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#include <Parsers/IAST.h>
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#include <Parsers/ASTExpressionList.h>
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namespace DB
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{
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/// AST for single dictionary attribute in dictionary DDL query
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class ASTDictionaryAttributeDeclaration : public IAST
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{
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public:
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/// Attribute name
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String name;
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/// Attribute type
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ASTPtr type;
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/// Attribute default value
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ASTPtr default_value;
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/// Attribute expression
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ASTPtr expression;
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/// Is attribute mirrored to the parent identifier
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bool hierarchical = false;
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/// Is hierarchical attribute bidirectional
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bool bidirectional = false;
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/// Flag that shows whether the id->attribute image is injective
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bool injective = false;
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/// MongoDB object ID
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bool is_object_id = false;
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String getID(char delim) const override { return "DictionaryAttributeDeclaration" + (delim + name); }
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ASTPtr clone() const override;
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void formatImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const override;
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};
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}
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