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39 lines
966 B
C++
39 lines
966 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 expr TYPE typename(args) GRANULARITY int in create query
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*/
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class ASTIndexDeclaration : public IAST
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{
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public:
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static const auto DEFAULT_INDEX_GRANULARITY = 1uz;
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static const auto DEFAULT_ANNOY_INDEX_GRANULARITY = 100'000'000uz;
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static const auto DEFAULT_USEARCH_INDEX_GRANULARITY = 100'000'000uz;
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String name;
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IAST * expr;
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ASTFunction * type;
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UInt64 granularity;
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bool part_of_create_index_query = false;
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/** Get the text that identifies this element. */
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String getID(char) const override { return "Index"; }
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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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void forEachPointerToChild(std::function<void(void**)> f) override
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{
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f(reinterpret_cast<void **>(&expr));
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f(reinterpret_cast<void **>(&type));
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}
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};
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}
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