DrainShape	crates/gravity/lowerv4/src/ops/hashjoin/spill/build.rs	pair_end	lifetime	-	a drained end with no breaker or no drain reader keeps the build resident	hash join	A RIGHT, FULL, RIGHT SEMI or RIGHT ANTI hash join whose unmatched rows Gravity cannot read in a later step (for example one on the inner side of a nested loop) keeps its whole hash table in memory where PostgreSQL would spill it to disk, so the statement fails with an out-of-memory error when the server has no more memory to give it.
