Mercurial > gemma
diff 3rdpartylibs.sh @ 3454:7f65790b6bd6
Avoid full sequential scan on measurements for every query
Up to PostgreSQL 11, a CTE is always executed to completion, regardless
of whether the result is actually needed for the calling query. A
sub-select is not 'fenced' that way. Makes some database requests of
GeoServer a lot faster.
author | Tom Gottfried <tom@intevation.de> |
---|---|
date | Fri, 24 May 2019 13:35:26 +0200 |
parents | f95ec0bb565c |
children | 2893ee8ce06f |