ClickHouse/dbms/include/DB/Storages/StorageMaterializedView.h

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