The following bug has been logged on the website:
Bug reference: 16136
Logged by: Александр Филиппенко
Email address: [email protected]
PostgreSQL version: 12.1
Operating system: Ubuntu 18.04
Description:
I had very strange behaviour of optimizator.
https://explain.depesz.com/s/GcHLhttps://explain.depesz.com/s/sTyG
Both explains are for same query and same data set, but in second case I
turn off JIT. I guess it's because of wrong cost calculation like this
Nested Loop (cost=463.86..5575122.76 rows=652 width=74) (actual
time=9.685..67.713 rows=18 loops=1)
