[postgis-devel] patch adding cachable to certain functions
carl.anderson at vadose.org
Sat Jan 1 14:42:26 PST 2005
add cachable to certain functions .
cachable is appropriate whenever the output will be the same for the
it also speeds up statements like
select boundary(the_geom) from mytab where length(boundary(the_geom)) > 10;
because cachable tells postgres that it does not need to compute
-------------- next part --------------
A non-text attachment was scrubbed...
Size: 6430 bytes
Desc: not available
More information about the postgis-devel