BuildCompact	crates/gravity/lowerv4/src/ops/hashjoin/build.rs	BuildEnd::holds	lifetime	-	the compact (dense bits) record form writes no spill code	hash join	A hash join on an integer key dense enough for Gravity's compact table form 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.
