mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-05 05:52:05 +00:00
85d783c247
* Remove config_common.h * Refactor libcpuid contrib * Remove support for libcpuinfo * Define USE_CPUID in Arcadia * Refactor Poco libraries
101 lines
2.6 KiB
C++
101 lines
2.6 KiB
C++
#pragma once
|
|
|
|
#include <Core/Block.h>
|
|
|
|
#include "DictionaryStructure.h"
|
|
#include "IDictionarySource.h"
|
|
|
|
namespace Poco
|
|
{
|
|
namespace Util
|
|
{
|
|
class AbstractConfiguration;
|
|
}
|
|
|
|
namespace Redis
|
|
{
|
|
class Client;
|
|
class Array;
|
|
class Command;
|
|
}
|
|
}
|
|
|
|
|
|
namespace DB
|
|
{
|
|
namespace ErrorCodes
|
|
{
|
|
extern const int NOT_IMPLEMENTED;
|
|
}
|
|
enum class RedisStorageType
|
|
{
|
|
SIMPLE,
|
|
HASH_MAP,
|
|
UNKNOWN
|
|
};
|
|
|
|
class RedisDictionarySource final : public IDictionarySource
|
|
{
|
|
RedisDictionarySource(
|
|
const DictionaryStructure & dict_struct,
|
|
const std::string & host,
|
|
UInt16 port,
|
|
UInt8 db_index,
|
|
RedisStorageType storage_type,
|
|
const Block & sample_block);
|
|
|
|
public:
|
|
using RedisArray = Poco::Redis::Array;
|
|
using RedisCommand = Poco::Redis::Command;
|
|
|
|
RedisDictionarySource(
|
|
const DictionaryStructure & dict_struct,
|
|
const Poco::Util::AbstractConfiguration & config,
|
|
const std::string & config_prefix,
|
|
Block & sample_block);
|
|
|
|
RedisDictionarySource(const RedisDictionarySource & other);
|
|
|
|
~RedisDictionarySource() override;
|
|
|
|
BlockInputStreamPtr loadAll() override;
|
|
|
|
BlockInputStreamPtr loadUpdatedAll() override
|
|
{
|
|
throw Exception{"Method loadUpdatedAll is unsupported for RedisDictionarySource", ErrorCodes::NOT_IMPLEMENTED};
|
|
}
|
|
|
|
bool supportsSelectiveLoad() const override { return true; }
|
|
|
|
BlockInputStreamPtr loadIds(const std::vector<UInt64> & ids) override;
|
|
|
|
BlockInputStreamPtr loadKeys(const Columns & /* key_columns */, const std::vector<size_t> & /* requested_rows */) override
|
|
{
|
|
// Redis does not support native indexing
|
|
throw Exception{"Method loadKeys is unsupported for RedisDictionarySource", ErrorCodes::NOT_IMPLEMENTED};
|
|
}
|
|
|
|
bool isModified() const override { return true; }
|
|
|
|
bool hasUpdateField() const override { return false; }
|
|
|
|
DictionarySourcePtr clone() const override { return std::make_unique<RedisDictionarySource>(*this); }
|
|
|
|
std::string toString() const override;
|
|
|
|
private:
|
|
static RedisStorageType parseStorageType(const std::string& storage_type);
|
|
|
|
private:
|
|
const DictionaryStructure dict_struct;
|
|
const std::string host;
|
|
const UInt16 port;
|
|
const UInt8 db_index;
|
|
const RedisStorageType storage_type;
|
|
Block sample_block;
|
|
|
|
std::shared_ptr<Poco::Redis::Client> client;
|
|
};
|
|
|
|
}
|