Joel Perren writes:
> - generic_restriction_selectivity() returns the default value (0.01) for
> data types that Postgres doesn't collect standard MCV and/or histogram
> statistics for. I think this is what happens with Table B which (quite
> correctly) does not have these statistics in pg_stats
After some further investigation I think I might have actually got this the
wrong way round. I now strongly suspect that what I am seeing is related to
the presence of histogram_bounds for Table A (possibly a bug? or me being
silly).
Looking into the code (
https://github.com/postgres/postgres/blo
Hi all
I have a Postgres/PostGIS database with two separate database tables each
of which has the following column structure:
- identifier (text)
- geometry (geometryz,27700)
- properties (jsonb)
I have created a GIN index (jsonb_path_ops) over the properties column on
both tables.
As I underst
