thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-19 06:01:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

* Fixing a bug in writeIntoLiveView method where blocks->front()

Browse Source 
is called before checking if blocks vector is empty.
This commit is contained in:
Vitaliy Zakaznikov 2019-06-14 21:08:46 -04:00
parent d6d0404c48
commit 282ff6bfda
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
dbms/src/Storages/StorageLiveView.h
View File

@ -202,7 +202,7 @@ public:
}
/// Need make new mergeable block structure match the other mergeable blocks
if (!mergeable_blocks->front()->empty() && !new_mergeable_blocks->empty())
if (!mergeable_blocks->front()->empty())
{
auto sample_block = mergeable_blocks->front()->front();
auto sample_new_block = new_mergeable_blocks->front();
@ -237,6 +237,9 @@ public:
blocks->push_back(this_block);
}
if (blocks->empty())
return;
auto sample_block = blocks->front().cloneEmpty();
BlockInputStreamPtr new_data = std::make_shared<BlocksBlockInputStream>(std::make_shared<BlocksPtr>(blocks), sample_block);