ClickHouse/src/Storages/StorageMaterializeMySQL.h

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#pragma once
#include <Storages/IStorage.h>
namespace DB
{
class StorageMaterializeMySQL final : public ext::shared_ptr_helper<StorageMaterializeMySQL>, public IStorage
{
friend struct ext::shared_ptr_helper<StorageMaterializeMySQL>;
public:
String getName() const override { return "MySQL"; }
bool supportsFinal() const override { return nested_storage->supportsFinal(); }
bool supportsSampling() const override { return nested_storage->supportsSampling(); }
StorageMaterializeMySQL(const StoragePtr & nested_storage_);
Pipes read(
const Names & column_names, const SelectQueryInfo & query_info,
const Context & context, QueryProcessingStage::Enum processed_stage, size_t max_block_size, unsigned num_streams) override;
private:
StoragePtr nested_storage;
};
}