Fix postgres

Author: frodrigo

backends/postgres_osmosis.md

@@ -12,15 +12,10 @@ cat /usr/share/doc/osmosis/examples/pgsnapshot_schema_0.6_linestring.sql | psql
 osmosis \
   --read-pbf /data/landes-latest.osm.pbf \
   --write-pgsql host=postgres database=postgres user=postgres password=postgres
+cat /backends/postgres_osmosis_init.sql | psql $DATABASE_URL
 ```
 
 ```sql
-CREATE INDEX nodes_idx_tags ON nodes USING gist(tags) WHERE tags != ''::hstore;
-CREATE INDEX ways_idx_tags ON ways USING gist(tags) WHERE tags != ''::hstore;
-CREATE INDEX relations_idx_tags ON relations USING gist(tags) WHERE tags != ''::hstore;
-
-CREATE INDEX ways_idx_geom ON nodes USING gist(geom);
-CREATE INDEX ways_idx_linestring ON ways USING gist(linestring);
 ```
 
 ## Run the server

backends/postgres_osmosis.rb

@@ -14,6 +14,6 @@ def exec(query)
     request = OverpassParser.parse(query)
     sql = request.to_sql(@dialect)
     result = @@con.exec(sql)
-    [sql, result.collect { |row| row['j'] }]
+    [sql, result.collect { |row| row['j'].gsub('+00:00', 'Z') }]
   end
 end

backends/postgres_osmosis.sql

@@ -1,14 +1,14 @@
 CREATE OR REPLACE TEMP VIEW node AS
-SELECT id, version, tstamp AS created, tags, NULL::bigint[] AS nodes, NULL::jsonb AS members, geom, 'n' AS osm_type FROM nodes;
+SELECT id, version, tstamp::timestamp with time zone AS created, tags, NULL::bigint[] AS nodes, NULL::jsonb AS members, geom, 'n' AS osm_type FROM nodes;
 
 CREATE OR REPLACE TEMP VIEW way AS
-SELECT id, version, tstamp AS created, tags, nodes, NULL::jsonb AS members, linestring AS geom, 'w' AS osm_type FROM ways;
+SELECT id, version, tstamp::timestamp with time zone AS created, tags, nodes, NULL::jsonb AS members, linestring AS geom, 'w' AS osm_type FROM ways;
 
 CREATE OR REPLACE TEMP VIEW relation AS
 SELECT
     id,
     version,
-    tstamp AS created,
+    tstamp::timestamp with time zone AS created,
     tags,
     NULL::bigint[] AS nodes,
     jsonb_agg(jsonb_build_object(
@@ -35,3 +35,9 @@ SELECT * FROM way
 UNION ALL
 SELECT * FROM relation
 ;
+
+CREATE OR REPLACE TEMP VIEW area AS
+SELECT id, NULL::integer AS version, NULL::timestamp with time zone AS created, tags, NULL::bigint[] AS nodes, NULL::jsonb AS members, poly AS geom, 'a' AS osm_type FROM multipolygons WHERE id > 3600000000
+UNION ALL
+SELECT id, version, tstamp::timestamp with time zone AS created, tags, nodes AS nodes, NULL::jsonb AS members, ST_MakePolygon(linestring)::geometry(Geometry,4326) AS geom, 'w' AS osm_type FROM ways WHERE id < 3600000000 AND ST_IsClosed(linestring) AND ST_Dimension(ST_MakePolygon(linestring)) = 2
+;