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Merge pull request #9410 from excitoon-favorites/attachpart

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Fixed `DeleteOnDestroy` logic in `ATTACH PART` and added few tests
This commit is contained in:
alexey-milovidov 2020-04-01 04:49:41 +03:00 committed by GitHub
commit e10cf89896
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3 changed files with 53 additions and 6 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";
}
MergeTreeData::MergeTreeData(
@ -3185,7 +3182,7 @@ MergeTreeData::MutableDataPartPtr MergeTreeData::cloneAndLoadDataPartOnSameDisk(
}
if (!does_storage_policy_allow_same_disk)
throw Exception(
"Could not clone and load part " + quoteString(src_part->getFullPath()) + " because disk does not belong to storage policy", ErrorCodes::LOGICAL_ERROR);
"Could not clone and load part " + quoteString(src_part->getFullPath()) + " because disk does not belong to storage policy", ErrorCodes::BAD_ARGUMENTS);
String dst_part_name = src_part->getNewName(dst_part_info);
String tmp_dst_part_name = tmp_part_prefix + dst_part_name;
@ -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;
}

39
dbms/tests/integration/test_multiple_disks/test.py
View File

@ -1229,3 +1229,42 @@ def test_move_while_merge(start_cluster):
finally:
node1.query("DROP TABLE IF EXISTS {name}".format(name=name))
def test_move_across_policies_does_not_work(start_cluster):
try:
name = "test_move_across_policies_does_not_work"
node1.query("""
CREATE TABLE {name} (
n Int64
) ENGINE = MergeTree
ORDER BY tuple()
SETTINGS storage_policy='jbods_with_external'
""".format(name=name))
node1.query("""
CREATE TABLE {name}2 (
n Int64
) ENGINE = MergeTree
ORDER BY tuple()
SETTINGS storage_policy='small_jbod_with_external'
""".format(name=name))
node1.query("""INSERT INTO {name} VALUES (1)""".format(name=name))
node1.query("""ALTER TABLE {name} MOVE PARTITION tuple() TO DISK 'jbod2'""".format(name=name))
with pytest.raises(QueryRuntimeException, match='.*because disk does not belong to storage policy.*'):
node1.query("""ALTER TABLE {name}2 ATTACH PARTITION tuple() FROM {name}""".format(name=name))
with pytest.raises(QueryRuntimeException, match='.*because disk does not belong to storage policy.*'):
node1.query("""ALTER TABLE {name}2 REPLACE PARTITION tuple() FROM {name}""".format(name=name))
with pytest.raises(QueryRuntimeException, match='.*should have the same storage policy of source table.*'):
node1.query("""ALTER TABLE {name} MOVE PARTITION tuple() TO TABLE {name}2""".format(name=name))
assert node1.query("""SELECT * FROM {name}""".format(name=name)).splitlines() == ["1"]
finally:
node1.query("DROP TABLE IF EXISTS {name}".format(name=name))
node1.query("DROP TABLE IF EXISTS {name}2".format(name=name))