Add delete, update, and merge-insert (UPSERT) operations#26

beinan wants to merge 3 commits into

daft-engine:maindaft-engine/daft-lance:mainfrom

beinan:beinanwang/aicd-159-support-delete-update-and-merge-insert-upsert-operationsbeinan/daft-lance:beinanwang/aicd-159-support-delete-update-and-merge-insert-upsert-operationsCopy head branch name to clipboard