ClickHouse/src/Storages/MergeTree/MergeTreeMutationStatus.h
2020-09-15 12:55:57 +03:00

39 lines
1.0 KiB
C++

#pragma once
#include <common/types.h>
#include <Core/Names.h>
#include <optional>
#include <map>
#include <ctime>
namespace DB
{
struct MergeTreeMutationStatus
{
String id;
String command;
time_t create_time = 0;
std::map<String, Int64> block_numbers;
/// Parts that should be mutated/merged or otherwise moved to Obsolete state for this mutation to complete.
Names parts_to_do_names;
/// If the mutation is done. Note that in case of ReplicatedMergeTree parts_to_do == 0 doesn't imply is_done == true.
bool is_done = false;
String latest_failed_part;
time_t latest_fail_time = 0;
String latest_fail_reason;
};
/// Check mutation status and throw exception in case of error during mutation
/// (latest_fail_reason not empty) or if mutation was killed (status empty
/// optional). mutation_ids passed separately, because status may be empty and
/// we can execute multiple mutations at once
void checkMutationStatus(std::optional<MergeTreeMutationStatus> & status, const std::set<String> & mutation_ids);
}