Gen4: Distinct plan refactor and support grouping and aggregation on join query#8506

Merged

systay merged 9 commits intovitessio:mainfrom planetscale:gen4-distinct-2

Jul 22, 2021

+719-166

Commits on Jul 20, 2021

distinct planning to use ordered_aggregates primitive than distinct primitive to support varchar type columns
harshit-gangal
committed
some code refactor in distinct oa plan
harshit-gangal
committed
add more supported Gen4 plans
harshit-gangal
committed

Commits on Jul 21, 2021

upadte more gen4 supported query plans and errors in plan tests
harshit-gangal
committed
check and fail query if non-aggregation columns are not in group by expressions
harshit-gangal
committed
group by semantic analysis
harshit-gangal
committed

Commits on Jul 22, 2021