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Fixed DeleteOnDestroy logic.

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This commit is contained in:
Vladimir Chebotarev 2020-02-27 11:37:52 +03:00
parent 4839052ba2
commit 288cee5663
2 changed files with 13 additions and 5 deletions
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10
dbms/src/Storages/MergeTree/IMergeTreeDataPart.cpp
View File

@ -31,6 +31,9 @@ namespace ErrorCodes
}
extern const char * DELETE_ON_DESTROY_MARKER_PATH;
static std::unique_ptr<ReadBufferFromFileBase> openForReading(const DiskPtr & disk, const String & path)
{
return disk->readFile(path, std::min(size_t(DBMS_DEFAULT_BUFFER_SIZE), disk->getFileSize(path)));
@ -744,6 +747,7 @@ void IMergeTreeDataPart::remove() const
for (const auto & file : {"checksums.txt", "columns.txt"})
disk->remove(to + "/" + file);
disk->removeIfExists(to + "/" + DELETE_ON_DESTROY_MARKER_PATH);
disk->remove(to);
}
@ -795,8 +799,11 @@ void IMergeTreeDataPart::makeCloneInDetached(const String & prefix) const
assertOnDisk();
LOG_INFO(storage.log, "Detaching " << relative_path);
String destination_path = storage.relative_data_path + getRelativePathForDetachedPart(prefix);
/// Backup is not recursive (max_level is 0), so do not copy inner directories
localBackup(disk, getFullRelativePath(), storage.relative_data_path + getRelativePathForDetachedPart(prefix), 0);
localBackup(disk, getFullRelativePath(), destination_path, 0);
disk->removeIfExists(destination_path + "/" + DELETE_ON_DESTROY_MARKER_PATH);
}
void IMergeTreeDataPart::makeCloneOnDiskDetached(const ReservationPtr & reservation) const
@ -813,6 +820,7 @@ void IMergeTreeDataPart::makeCloneOnDiskDetached(const ReservationPtr & reservat
reserved_disk->createDirectory(path_to_clone);
disk->copy(getFullRelativePath(), reserved_disk, path_to_clone);
disk->removeIfExists(path_to_clone + "/" + DELETE_ON_DESTROY_MARKER_PATH);
}
void IMergeTreeDataPart::checkConsistencyBase() const

8
dbms/src/Storages/MergeTree/MergeTreeData.cpp
View File

@ -116,10 +116,7 @@ namespace ErrorCodes
}
namespace
{
const char * DELETE_ON_DESTROY_MARKER_PATH = "delete-on-destroy.txt";
}
const char * DELETE_ON_DESTROY_MARKER_PATH = "delete-on-destroy.txt";
MergeTreeData::MergeTreeData(
@ -3200,6 +3197,7 @@ MergeTreeData::MutableDataPartPtr MergeTreeData::cloneAndLoadDataPartOnSameDisk(
LOG_DEBUG(log, "Cloning part " << fullPath(disk, src_part_path) << " to " << fullPath(disk, dst_part_path));
localBackup(disk, src_part_path, dst_part_path);
disk->removeIfExists(dst_part_path + "/" + DELETE_ON_DESTROY_MARKER_PATH);
auto dst_data_part = createPart(dst_part_name, dst_part_info, reservation->getDisk(), tmp_dst_part_name);
@ -3285,6 +3283,8 @@ void MergeTreeData::freezePartitionsByMatcher(MatcherFn matcher, const String &
String backup_part_path = backup_path + relative_data_path + part->relative_path;
localBackup(part->disk, part->getFullRelativePath(), backup_part_path);
part->disk->removeIfExists(backup_part_path + "/" + DELETE_ON_DESTROY_MARKER_PATH);
part->is_frozen.store(true, std::memory_order_relaxed);
++parts_processed;
}