Doc: indexUnchanged is strictly a hint. Clearly spell out the limitations of aminsert()'s indexUnchanged hinting mechanism in the index AM documentation.
Oversight in commit 9dc718bd, which added the "logically unchanged index" hint (which is used to trigger bottom-up index deletion). Author: Peter Geoghegan <p...@bowt.ie> Reported-By: Tom Lane <t...@sss.pgh.pa.us> Reviewed-By: Tom Lane <t...@sss.pgh.pa.us> Discussion: https://postgr.es/m/CAH2-WzmU_BQ=-h9l+bxtsmqbqhmjp1dswgypvl0gks+dtof...@mail.gmail.com Backpatch: 14-, where indexUnchanged hinting was introduced. Branch ------ REL_14_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/df73ca35144a8711e42b82cd147ee34407553b3c Modified Files -------------- doc/src/sgml/indexam.sgml | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)