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39 lines
947 B
C++
39 lines
947 B
C++
#pragma once
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#include <DB/Storages/StorageView.h>
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namespace DB
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{
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class StorageMaterializedView : public StorageView {
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public:
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static StoragePtr create(const String & table_name_, const String & database_name_,
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Context & context_, ASTPtr & query_, NamesAndTypesListPtr columns_, bool attach_);
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std::string getName() const { return "MaterializedView"; }
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std::string getInnerTableName() const { return ".inner." + table_name; }
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BlockOutputStreamPtr write(ASTPtr query);
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void drop() override;
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bool optimize();
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BlockInputStreams read(
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const Names & column_names,
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ASTPtr query,
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const Settings & settings,
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QueryProcessingStage::Enum & processed_stage,
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size_t max_block_size = DEFAULT_BLOCK_SIZE,
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unsigned threads = 1);
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private:
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StoragePtr data;
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StorageMaterializedView(const String & table_name_, const String & database_name_,
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Context & context_, ASTPtr & query_, NamesAndTypesListPtr columns_, bool attach_);
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};
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}
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