database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-08-01 06:46:55 +03:00
Code Activity

MCOL-5514 Parallel disk join step.

Browse Source
This commit is contained in:
Denis Khalikov
2023-06-15 20:47:41 +03:00
parent ebfb9face2
commit 2a66ae2ed1
6 changed files with 204 additions and 112 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
utils/joiner/joinpartition.cpp
View File

@ -481,7 +481,8 @@ int64_t JoinPartition::processSmallBuffer(RGData& rgData)
ret = writeByteStream(0, bs);
htSizeEstimate += rg.getRowCount() * rg.getColumnCount() * 64;
if (rg.getRowCount())
htSizeEstimate += rg.getDataSize();
// Check whether this partition is now too big -> convert to split mode.
if (htTargetSize < htSizeEstimate && canConvertToSplitMode())
ret += convertToSplitMode();