Update nbtree README's "Scans during Recovery".
authorPeter Geoghegan <pg@bowt.ie>
Tue, 17 Dec 2019 01:11:35 +0000 (17:11 -0800)
committerPeter Geoghegan <pg@bowt.ie>
Tue, 17 Dec 2019 01:11:35 +0000 (17:11 -0800)
commit9067b83955da5fde49a2605510900e6d9fa273af
tree41f1fe50ffba8605cb2d07329efdaa967f76cfb4
parent6d7547c219adf2436323cdbd4bebc5e872d53546
Update nbtree README's "Scans during Recovery".

get_actual_variable_range() hasn't used a dirty snapshot since commit
3ca930fc3, which invented a new snapshot type specifically to meet
selfuncs.c's requirements (HeapTupleSatisfiesNonVacuumable() type
snapshots were added).

Discussion: https://postgr.es/m/CAH2-Wzn2pSqEOcBDAA40CnO82oEy-EOpE2bNh_XL_cfFoA86jw@mail.gmail.com
src/backend/access/nbtree/README