mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-17 03:42:48 +00:00
ed5b521110
* Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2].
57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
#pragma once
|
|
|
|
#include <DB/Dictionaries/IDictionarySource.h>
|
|
#include <DB/Dictionaries/DictionaryStructure.h>
|
|
|
|
|
|
namespace Poco { class Logger; }
|
|
|
|
|
|
namespace DB
|
|
{
|
|
|
|
/// Allows loading dictionaries from executable
|
|
class ExecutableDictionarySource final : public IDictionarySource
|
|
{
|
|
public:
|
|
ExecutableDictionarySource(
|
|
const DictionaryStructure & dict_struct_,
|
|
const Poco::Util::AbstractConfiguration & config,
|
|
const std::string & config_prefix,
|
|
Block & sample_block,
|
|
const Context & context);
|
|
|
|
ExecutableDictionarySource(const ExecutableDictionarySource & other);
|
|
|
|
BlockInputStreamPtr loadAll() override;
|
|
|
|
BlockInputStreamPtr loadIds(const std::vector<UInt64> & ids) override;
|
|
|
|
BlockInputStreamPtr loadKeys(
|
|
const ConstColumnPlainPtrs & key_columns, const std::vector<std::size_t> & requested_rows) override;
|
|
|
|
bool isModified() const override;
|
|
|
|
bool supportsSelectiveLoad() const override;
|
|
|
|
DictionarySourcePtr clone() const override;
|
|
|
|
std::string toString() const override;
|
|
|
|
private:
|
|
Poco::Logger * log;
|
|
|
|
const DictionaryStructure dict_struct;
|
|
const std::string command;
|
|
const std::string format;
|
|
Block sample_block;
|
|
const Context & context;
|
|
};
|
|
|
|
void idsToBuffer(const Context & context, const std::string & format, Block & sample_block, WriteBuffer & out_stream,
|
|
const std::vector<UInt64> & ids);
|
|
void columnsToBuffer(const Context & context, const std::string & format, Block & sample_block, WriteBuffer & out_buffer,
|
|
const DictionaryStructure & dict_struct, const ConstColumnPlainPtrs & key_columns, const std::vector<std::size_t> & requested_rows);
|
|
|
|
}
|