Getting a quick hash of a query in PostgreSQL

I’ve been doing a lot of tweaking of SQL queries as of late, trying to squeeze some performance out of a query by adding indexes, optimizing joins, and some other operations. To do a quick check to ensure that the queries return the same results, I’ve been hashing the results to see if I get an identical hash back. This solution was adapted from https://stackoverflow.com/a/13948327/206480. […]

Getting a quick hash of a query in PostgreSQL Continue Reading »