Wells Oliver schrieb am 09.02.2021 um 19:00:
Hey guys, I just upgraded a DB from 12 to 13. In testing this seemed to go well, but it seems like most of my queries are not using the indexes after the upgrade, so everything is quite so. Is there a general need to REINDEX after upgrading to 13, or might there be another issue? The configuration parameters are the same as they were persisted via pg_upgradecluster.
If you want to profit from the new de-duplication in indexes, you will need to reindex.
