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52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
#pragma once
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#include <Parsers/IAST.h>
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#include <Parsers/ASTQueryWithTableAndOutput.h>
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#include <Parsers/ASTQueryWithOnCluster.h>
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namespace DB
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{
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/** OPTIMIZE query
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*/
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class ASTOptimizeQuery : public ASTQueryWithTableAndOutput, public ASTQueryWithOnCluster
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{
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public:
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/// The partition to optimize can be specified.
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ASTPtr partition;
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/// A flag can be specified - perform optimization "to the end" instead of one step.
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bool final;
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/// Do deduplicate (default: false)
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bool deduplicate;
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/** Get the text that identifies this element. */
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String getID(char delim) const override
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{
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return "OptimizeQuery" + (delim + database) + delim + table + (final ? "_final" : "") + (deduplicate ? "_deduplicate" : "");
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}
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ASTPtr clone() const override
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{
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auto res = std::make_shared<ASTOptimizeQuery>(*this);
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res->children.clear();
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if (partition)
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{
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res->partition = partition->clone();
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res->children.push_back(res->partition);
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}
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return res;
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}
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void formatQueryImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const override;
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ASTPtr getRewrittenASTWithoutOnCluster(const std::string &new_database) const override
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{
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return removeOnCluster<ASTOptimizeQuery>(clone(), new_database);
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}
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};
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}
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