[postgis-users] Postgis function does not exist in pgAdmin; Rails has no problems

Tue Jun 10 10:38:37 PDT 2014

I've narrowed down my problem (I think) but I really stuck on something here, any advice to point me in the right direction would be greatly appreciated. 

Whenever I run the restore of my database, I get these kinds of errors (hundreds and hundreds of them... this just one example)

pg_restore: creating FUNCTION geography_out(geography)
pg_restore: [archiver (db)] Error from TOC entry 894; 1255 17188 FUNCTION geography_out(geography) postgres
pg_restore: [archiver (db)] could not execute query: ERROR:  could not access file "$libdir/postgis-1.5": No such file or directory
    Command was: CREATE FUNCTION geography_out(geography) RETURNS cstring
    LANGUAGE c IMMUTABLE STRICT
    AS '$libdir/postgis-1.5', 'geog...
pg_restore: [archiver (db)] could not execute query: ERROR:  function public.geography_out(geography) does not exist
    Command was: ALTER FUNCTION public.geography_out(geography) OWNER TO postgres;

So, it seems like something is not set up correctly with Postgis. I've tried droping & recreating my database (both from pgAdmin and also from rails rake tasks) multiple times, and followed the instructions here http://postgis.net/install/ but not matter what I do I always see these errors when I run restore. 

It seems like these functions aren't being created correctly, which makes sense to me, because then after I load up the database I am unable to use them in pgAdmin (except my rails app continues to work, completely counter-intuitively).

Can anyone point me in the right direction? I've spent several hours googling for answers here and am completely stuck at this point. 

I am running Postgres 9.3.4.0

-Jason

On Jun 10, 2014, at 11:39 AM, Jason Fleetwood-Boldt <tech at datatravels.com> wrote:

> 
> After dropping & recreating my Postgres database, I am seeing some very strange behavior in pgAdmin while debugging my Rails app. 
> 
> I'm getting this error:
> function st_distance(postgis.geography, unknown) does not exist
> 
> 
> Here's how I'm setting up my database
> 
> rake db:create
> --> I now have 2 extensions plpgsql and postgis; also have two schemas postgis and public
> 
> 
> rake db:migrate
> 
> --> I now have 3 extensions plpgsql,  postgis, hstore
> --> Also I now have 50 tables (what I am expecting)
> 
> 
> 
> Then I restore my production dump to my local dev machine. At this point, everything looks ok when I examine it in pgAdmin, but I am unable to use any Postgis functions.
> 
> Now here's where it gets weird. When my query runs in Rails, it works fine (as expected). However, when i run it in pgAdmin, it fails, giving me this error:
> 
> ERROR:  function st_distance(postgis.geography, unknown) does not exist
> LINE 1: SELECT DISTINCT places.*, ST_Distance("places"."coords", '00...
>                                   ^
> HINT:  No function matches the given name and argument types. You might need to add explicit type casts.
> 
> 
> When this query runs inside of my Rails app it executes as expected -- which is behavior I've never seen from Rails before, so I must be missing something basic. 
> 
> Can anyone point in the right direction here, I'm really stuck trying to figure why Rails behaves differently than pgAdmin on the exact same database.
> 
> 
> 
> My full query is below, as you can see it is rather large:
> 
> SELECT DISTINCT places.*, ST_Distance("places"."coords", '0020000001000010e6c0527e94b7b289544044645492ff4ba5') AS distance, CASE WHEN (premium_listings.id IS NOT NULL AND (ST_Distance(places.coords, '0020000001000010e6c0527e94b7b289544044645492ff4ba5')*0.621371) < premium_listings.reach_radius_mi) THEN 1 ELSE 0 END as premium_listing, ur.rating AS user_rating, CASE WHEN fp.id IS NULL THEN 'false' ELSE 'true' END AS user_favorite, CASE WHEN featured_places.count > 0 THEN 'true' ELSE 'false' END AS featured FROM "places" LEFT OUTER JOIN premium_listing_places ON premium_listing_places.place_id = places.id LEFT OUTER JOIN premium_listings ON (premium_listings.id = premium_listing_places.premium_listing_id AND premium_listings.starts_at < NOW() AND premium_listings.ends_at > NOW()) LEFT OUTER JOIN ratings AS ur ON ur.rateable_id = places.id AND ur.rateable_type = 'Place' AND ur.user_id = -1 LEFT OUTER JOIN user_favorite_places AS fp ON fp.place_id = places.id AND fp.user_id = -1 LEFT OUTER JOIN (SELECT places.id AS id, COUNT(*) AS count FROM "promotions" INNER JOIN "place_promotions" ON "place_promotions"."promotion_id" = "promotions"."id" INNER JOIN "places" ON "places"."id" = "place_promotions"."place_id" WHERE "promotions"."featured" = 't' AND ((("promotions"."starts_at" <= '2014-06-10' AND "promotions"."ends_at" >= '2014-06-10') OR ("promotions"."starts_at" <= '2014-06-10' AND "promotions"."ends_at" IS NULL))) GROUP BY places.id) AS featured_places ON featured_places.id = places.id JOIN taggings place_taggings_e280fa7 ON place_taggings_e280fa7.taggable_id = places.id AND place_taggings_e280fa7.taggable_type = 'Place' WHERE "places"."status" = 'approved' AND (ST_DWithin("places"."coords", '0020000001000010e6c0527e94b7b289544044645492ff4ba5', 50000)) AND (place_taggings_e280fa7.tag_id = 80 OR place_taggings_e280fa7.tag_id = 102 OR place_taggings_e280fa7.tag_id = 8 OR place_taggings_e280fa7.tag_id = 76 OR place_taggings_e280fa7.tag_id = 260 OR place_taggings_e280fa7.tag_id = 261 OR place_taggings_e280fa7.tag_id = 217 OR place_taggings_e280fa7.tag_id = 226 OR place_taggings_e280fa7.tag_id = 258 OR place_taggings_e280fa7.tag_id = 286 OR place_taggings_e280fa7.tag_id = 155 OR place_taggings_e280fa7.tag_id = 262) GROUP BY places.id, premium_listings.id, ur.rating, fp.id, featured_places.count ORDER BY premium_listing DESC, distance LIMIT 50
> 
> 
> 
> 
> 
> For your reference, my database.yml file looks like this:
> 
> 
> common: &common
>   adapter: postgis
>   host: localhost
>   username: <%= ENV['USER'] %>
>   encoding: unicode
>   pool: 5
>   timeout: 5000
>   postgis_extension: postgis
>   schema_search_path: public,postgis
> 
> 
> development:
>   <<: *common
>   database: mn_development
> 
> 
> 
> 
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