The informations I've found on the 'net were quite old, so I did a quick benchmark.
https://gist.github.com/3307966 TL;DR: index is better than no index or the 'gist_geometry_ops_nd' index On Thursday, August 9, 2012 3:48:47 PM UTC-5, jdunck wrote: > > I'm fairly familiar with the django gis code, but I haven't been > following postgis 2.0. Could you point me towards some discussion of > the index changes from 1.5 to 2.0? On the face of it, I'm doubtful > that they've removed a useful form of indexing with no > replacement/alternative. > > It's hard for me to assess the patch w/o some more context re. the > upstream postgis changes. > > On Wed, Aug 8, 2012 at 8:12 AM, Flavio Curella > <flavio....@gmail.com<javascript:>> > wrote: > > Hi, > > > > I've made some work on https://code.djangoproject.com/ticket/16455 and > I > > think I'm close to have it ready for checking. > > > > Can I have a quick review from the committers? I'm mostly interested in > > feedback about: > > > > * the v8 patch installs multidimensional index for columns with more > than 2 > > dimensions. From the PostGIS docs, seems like this kind of indexes are > slow, > > and I can't fiind any advantages to use them. Patch v7 doesn't install > the > > indexes. Any preference about which patch should we use? > > * testing the patch: do already existing tests cover? if not, where's > the > > most appropriate place where to put the new tests? > > * documentation. > > > > Thanks, > > Flavio. > > > > -- > > You received this message because you are subscribed to the Google > Groups > > "Django developers" group. > > To view this discussion on the web visit > > https://groups.google.com/d/msg/django-developers/-/Bao8-qgH7fwJ. > > To post to this group, send email to > > django-d...@googlegroups.com<javascript:>. > > > To unsubscribe from this group, send email to > > django-develop...@googlegroups.com <javascript:>. > > For more options, visit this group at > > http://groups.google.com/group/django-developers?hl=en. > -- You received this message because you are subscribed to the Google Groups "Django developers" group. To view this discussion on the web visit https://groups.google.com/d/msg/django-developers/-/yirGmqKA_cIJ. To post to this group, send email to django-developers@googlegroups.com. To unsubscribe from this group, send email to django-developers+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-developers?hl=en.
