thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-22 07:31:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #4684 from amosbird/fixempty2

Browse Source 
Refinement
This commit is contained in:
alexey-milovidov 2019-03-14 06:12:39 +03:00 committed by GitHub
commit bdc7614c77
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 21 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
dbms/src/Storages/StorageReplicatedMergeTree.cpp
View File

@ -3014,7 +3014,7 @@ bool StorageReplicatedMergeTree::optimize(const ASTPtr & query, const ASTPtr & p
return true;
}
ReplicatedMergeTreeLogEntryData merge_entry;
std::vector<ReplicatedMergeTreeLogEntryData> merge_entries;
{
/// We must select parts for merge under merge_selecting_mutex because other threads
/// (merge_selecting_thread or OPTIMIZE queries) could assign new merges.
@ -3045,9 +3045,12 @@ bool StorageReplicatedMergeTree::optimize(const ASTPtr & query, const ASTPtr & p
FutureMergedMutatedPart future_merged_part;
bool selected = merger_mutator.selectAllPartsToMergeWithinPartition(
future_merged_part, disk_space, can_merge, partition_id, true, nullptr);
ReplicatedMergeTreeLogEntryData merge_entry;
if (selected &&
!createLogEntryToMergeParts(zookeeper, future_merged_part.parts, future_merged_part.name, deduplicate, &merge_entry))
return handle_noop("Can't create merge queue node in ZooKeeper");
if (merge_entry.type != ReplicatedMergeTreeLogEntryData::Type::EMPTY)
merge_entries.push_back(std::move(merge_entry));
}
}
else
@ -3074,15 +3077,20 @@ bool StorageReplicatedMergeTree::optimize(const ASTPtr & query, const ASTPtr & p
return handle_noop(disable_reason);
}
ReplicatedMergeTreeLogEntryData merge_entry;
if (!createLogEntryToMergeParts(zookeeper, future_merged_part.parts, future_merged_part.name, deduplicate, &merge_entry))
return handle_noop("Can't create merge queue node in ZooKeeper");
if (merge_entry.type != ReplicatedMergeTreeLogEntryData::Type::EMPTY)
merge_entries.push_back(std::move(merge_entry));
}
}
/// TODO: Bad setting name for such purpose
if (merge_entry.type != ReplicatedMergeTreeLogEntryData::Type::EMPTY
&& query_context.getSettingsRef().replication_alter_partitions_sync != 0)
waitForAllReplicasToProcessLogEntry(merge_entry);
if (query_context.getSettingsRef().replication_alter_partitions_sync != 0)
{
for (auto & merge_entry : merge_entries)
waitForAllReplicasToProcessLogEntry(merge_entry);
}
return true;
}

0
dbms/tests/queries/0_stateless/00925_empty_replicated_merge_tree_optimize_final.reference Normal file
View File

9
dbms/tests/queries/0_stateless/00925_empty_replicated_merge_tree_optimize_final.sql Normal file
View File

@ -0,0 +1,9 @@
DROP TABLE IF EXISTS test.replicated_optimize1;
DROP TABLE IF EXISTS test.replicated_optimize2;
CREATE TABLE test.replicated_optimize1 (d Date, k UInt64, i32 Int32) ENGINE=ReplicatedMergeTree('/clickhouse/tables/test/optimize', 'r1', d, k, 8192);
CREATE TABLE test.replicated_optimize2 (d Date, k UInt64, i32 Int32) ENGINE=ReplicatedMergeTree('/clickhouse/tables/test/optimize', 'r2', d, k, 8192);
OPTIMIZE TABLE test.replicated_optimize1 FINAL;
DROP TABLE test.replicated_optimize1;
DROP TABLE test.replicated_optimize2;