[postgis-devel] COSTS

[Paul Ramsey]

So, FYI for those working against PG12, I have added in costing, and upped the costs for functions in PG12 substantially. So, let’s see if (a) something breaks around planning and/or (b) parallelism improves with these new costs?

https://trac.osgeo.org/postgis/ticket/4344 <https://trac.osgeo.org/postgis/ticket/4344>

The knobs for moving costs around globally are in 

https://github.com/postgis/postgis/blob/239f2286989135b9a3156ce7789f45f09fcf0d3b/postgis/sqldefines.h.in#L24-L41 <https://github.com/postgis/postgis/blob/239f2286989135b9a3156ce7789f45f09fcf0d3b/postgis/sqldefines.h.in#L24-L41>

P.
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