VladPolskiy/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-07-23 00:44:33 +00:00
Code Issues Packages Projects Releases Wiki Activity
Files
stable-23.10
mariadb-columnstore-engine/docs/WFS_makeWindowFunctionStep.md
Roman Nozdrin 26aa9abaf0 An initial Obsidian vault as a knowledge base.
2023-05-20 15:46:19 +03:00

258 B
Raw Permalink Blame History

WFS adds extra columns into RG that must be removed after WFS. There is a block here that restores the original deliveredCols only there is no DISTINCT or GROUP BY b/c DISTINCT/GB does a similar filtering modifying jobInfo.distinctColVec. WFS_initialize