[OSM-dev] Postgres - installing gist?

Shaun McDonald shaun at shaunmcdonald.me.uk
Sun Apr 26 16:44:13 BST 2009

Hi Richard,

On most platforms you need to install the contrib modules.

If you used the installer for Mac OS X the file is located at:

psql -d $database -U $user < $the btree_gist file


On 26 Apr 2009, at 18:25, Richard Fairhurst wrote:

> Oh, how I love setting up a new instance of the Rails port.
> I'm trying to install Postgres this time (on an Intel Mac mini).  
> Migration
> 28 (AddMoreChangesetIndexes) fails, saying:
> -- add_index("changesets", ["min_lat", "max_lat", "min_lon",  
> "max_lon"],
> {:method=>"GIST", :name=>"changesets_bbox_idx"})
> rake aborted!
> PGError: ERROR:  data type integer has no default operator class for  
> access
> method "gist"
> HINT:  You must specify an operator class for the index or define a  
> default
> operator class for the data type.
> : CREATE  INDEX "changesets_bbox_idx" ON "changesets" USING GIST  
> ("min_lat",
> "max_lat", "min_lon", "max_lon")
> It looks to me as if I need to install btree_gist, but how I do that  
> without
> pulling down the whole Postgres source tree, I have no idea (the  
> makefile
> seems to refer to lots of other places within the source). Any clues?
> cheers
> Richard
> -- 
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