Explain subtlety in nbtree locking protocol. The Postgres approach to coupling locks during an ascent of the tree is slightly different to the approach taken by Lehman and Yao. Add a new paragraph to the "Differences to the Lehman & Yao algorithm" section of the nbtree README that explains the similarities and differences.
Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/867d25ccb4c7f290d08c720622ecaae4afd1dc3f Modified Files -------------- src/backend/access/nbtree/README | 27 ++++++++++++++++++++------- src/backend/access/nbtree/nbtinsert.c | 3 +++ 2 files changed, 23 insertions(+), 7 deletions(-)
