Fix nested column flattening in group_by to use underscores#1503
Draft
nablabits wants to merge 1 commit intodatachain-ai:mainfrom
Draft
Fix nested column flattening in group_by to use underscores#1503nablabits wants to merge 1 commit intodatachain-ai:mainfrom
nablabits wants to merge 1 commit intodatachain-ai:mainfrom