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20 lines
261 B
C++
20 lines
261 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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/// It converts if-chain to multiIf.
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class OptimizeIfChainsVisitor
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{
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public:
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OptimizeIfChainsVisitor() = default;
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void visit(ASTPtr & ast);
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private:
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ASTs ifChain(const ASTPtr & child);
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};
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}
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