doc: make blooms docs match reality

Bruce Momjian <bruce@momjian.us>

Commit: 9ad40fe6ef9195c9776b4a54357c4719acdfb0df
Author: Bruce Momjian <bruce@momjian.us>
Date: 2020-10-26T23:17:05Z
Releases: 11.10
doc:  make blooms docs match reality

Parallel execution changed the way bloom queries are executed, so update
the EXPLAIN output, and restructure the docs to be clearer and more
accurate.

Reported-by: Daniel Westermann

Discussion: https://postgr.es/m/ZR0P278MB0122119FAE78721A694C30C8D2340@ZR0P278MB0122.CHEP278.PROD.OUTLOOK.COM

Author: Daniel Westermann and me

Backpatch-through: 9.6

Files

PathChange+/−
doc/src/sgml/bloom.sgml modified +62 −55

Documentation touched