Re: creating hash indexes

2022-12-14 Thread Peter Geoghegan
On Wed, Dec 14, 2022 at 12:03 PM Rick Otten wrote: > Assuming I can live with the slower inserts, is there any parameter in > particular I can tweak that would make the time it takes to create the hash > index closer to the btree index creation time? In particular if I wanted to > try this on

creating hash indexes

2022-12-14 Thread Rick Otten
I inherited a database with several single-digit billion row tables. Those tables have a varchar(36) column populated with uuids (all connected to each other via FKs) each currently supported by a btree index. After the recent conversations about hash indexes I thought I'd do some comparisons to