database/mariadb-columnstore-engine
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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

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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