2014-10-06 05:18:17 +00:00
|
|
|
|
#pragma once
|
|
|
|
|
|
|
|
|
|
#include <Poco/SharedPtr.h>
|
|
|
|
|
|
|
|
|
|
#include <DB/Storages/IStorage.h>
|
|
|
|
|
#include <DB/Interpreters/Context.h>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
namespace DB
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
using Poco::SharedPtr;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/** Реализует системную таблицу replicas, которая позволяет получить информацию о статусе реплицируемых таблиц.
|
|
|
|
|
*/
|
|
|
|
|
class StorageSystemReplicas : public IStorage
|
|
|
|
|
{
|
|
|
|
|
public:
|
|
|
|
|
static StoragePtr create(const std::string & name_, const Context & context_);
|
|
|
|
|
|
|
|
|
|
std::string getName() const override { return "SystemReplicas"; }
|
|
|
|
|
std::string getTableName() const override { return name; }
|
|
|
|
|
|
2014-11-12 10:37:47 +00:00
|
|
|
|
const NamesAndTypesList & getColumnsListImpl() const override { return columns; }
|
2014-10-06 05:18:17 +00:00
|
|
|
|
|
|
|
|
|
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) override;
|
|
|
|
|
|
|
|
|
|
private:
|
|
|
|
|
const std::string name;
|
|
|
|
|
const Context & context;
|
|
|
|
|
NamesAndTypesList columns;
|
|
|
|
|
|
|
|
|
|
StorageSystemReplicas(const std::string & name_, const Context & context_);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
}
|