NOT IN in a Hash Join: Why DataFusion Decides UNKNOWN Per Build Row
DataFusion’s null-aware hash join tracks NOT IN’s three-valued logic with per-build-row bitmaps and a separate hash table of NULL-valued build rows, because the answer depends on …
DataFusion’s null-aware hash join tracks NOT IN’s three-valued logic with per-build-row bitmaps and a separate hash table of NULL-valued build rows, because the answer depends on …