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Declared field mapping 2 (#734)

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Make a few more mappings declarative, and removes values declared in both SQL and the yaml file.

Here's the diff comparing `build/tileset.sql` in master vs the new PR. The changes are mostly stylistic, except when a nested `if` statement is expanded into individual `if ... and ...` conditions (logically identical)

```diff
55c55
diff --git a/build/tileset.sql b/build/tileset.sql
index 4e59357..7c6c444 100644
--- a/build/tileset.sql
+++ b/build/tileset.sql
@@ -52,7 +52,7 @@ CREATE INDEX IF NOT EXISTS osm_ocean_polygon_gen4_idx ON osm_ocean_polygon_gen4
 CREATE OR REPLACE FUNCTION water_class(waterway TEXT) RETURNS TEXT AS $$
     SELECT CASE
            WHEN "waterway" IN ('', 'lake') THEN 'lake'
-           WHEN "waterway"='dock' THEN 'dock'
+           WHEN "waterway" = 'dock' THEN 'dock'
            ELSE 'river'
    END;
 $$ LANGUAGE SQL IMMUTABLE;
@@ -1813,24 +1813,41 @@ CREATE OR REPLACE FUNCTION highway_class(highway TEXT, public_transport TEXT, co
         WHEN "highway" IN ('tertiary', 'tertiary_link') THEN 'tertiary'
         WHEN "highway" IN ('unclassified', 'residential', 'living_street', 'road') THEN 'minor'
         WHEN "highway" IN ('pedestrian', 'path', 'footway', 'cycleway', 'steps', 'bridleway', 'corridor')
-            OR "public_transport"='platform'
+            OR "public_transport" = 'platform'
             THEN 'path'
-        WHEN "highway"='service' THEN 'service'
-        WHEN "highway"='track' THEN 'track'
-        WHEN "highway"='raceway' THEN 'raceway'
-        WHEN highway = 'construction' THEN CASE
-          WHEN construction IN ('motorway', 'motorway_link') THEN 'motorway_construction'
-          WHEN construction IN ('trunk', 'trunk_link') THEN 'trunk_construction'
-          WHEN construction IN ('primary', 'primary_link') THEN 'primary_construction'
-          WHEN construction IN ('secondary', 'secondary_link') THEN 'secondary_construction'
-          WHEN construction IN ('tertiary', 'tertiary_link') THEN 'tertiary_construction'
-          WHEN construction IN ('', 'unclassified', 'residential', 'living_street', 'road') THEN 'minor_construction'
-          WHEN construction IN ('pedestrian', 'path', 'footway', 'cycleway', 'steps', 'bridleway', 'corridor')
-              OR public_transport = 'platform' THEN 'path_construction'
-          WHEN construction = 'service' THEN 'service_construction'
-          WHEN construction = 'track' THEN 'track_construction'
-          WHEN construction = 'raceway' THEN 'raceway_construction'
-        END
+        WHEN "highway" = 'service' THEN 'service'
+        WHEN "highway" = 'track' THEN 'track'
+        WHEN "highway" = 'raceway' THEN 'raceway'
+        WHEN "highway" = 'construction'
+            AND "construction" IN ('motorway', 'motorway_link')
+            THEN 'motorway_construction'
+        WHEN "highway" = 'construction'
+            AND "construction" IN ('trunk', 'trunk_link')
+            THEN 'trunk_construction'
+        WHEN "highway" = 'construction'
+            AND "construction" IN ('primary', 'primary_link')
+            THEN 'primary_construction'
+        WHEN "highway" = 'construction'
+            AND "construction" IN ('secondary', 'secondary_link')
+            THEN 'secondary_construction'
+        WHEN "highway" = 'construction'
+            AND "construction" IN ('tertiary', 'tertiary_link')
+            THEN 'tertiary_construction'
+        WHEN "highway" = 'construction'
+            AND "construction" IN ('', 'unclassified', 'residential', 'living_street', 'road')
+            THEN 'minor_construction'
+        WHEN "highway" = 'construction'
+            AND ("construction" IN ('pedestrian', 'path', 'footway', 'cycleway', 'steps', 'bridleway', 'corridor') OR "public_transport" = 'platform')
+            THEN 'path_construction'
+        WHEN "highway" = 'construction'
+            AND "construction" = 'service'
+            THEN 'service_construction'
+        WHEN "highway" = 'construction'
+            AND "construction" = 'track'
+            THEN 'track_construction'
+        WHEN "highway" = 'construction'
+            AND "construction" = 'raceway'
+            THEN 'raceway_construction'
     END;
 $$ LANGUAGE SQL IMMUTABLE;
 
@@ -4073,6 +4090,12 @@ RETURNS TEXT AS $$
         WHEN "subclass" IN ('fast_food', 'food_court') THEN 'fast_food'
         WHEN "subclass" IN ('park', 'bbq') THEN 'park'
         WHEN "subclass" IN ('bus_stop', 'bus_station') THEN 'bus'
+        WHEN ("subclass" = 'station' AND "mapping_key" = 'railway')
+            OR "subclass" IN ('halt', 'tram_stop', 'subway')
+            THEN 'railway'
+        WHEN "subclass" = 'station'
+            AND "mapping_key" = 'aerialway'
+            THEN 'aerialway'
         WHEN "subclass" IN ('subway_entrance', 'train_station_entrance') THEN 'entrance'
         WHEN "subclass" IN ('camp_site', 'caravan_site') THEN 'campsite'
         WHEN "subclass" IN ('laundry', 'dry_cleaning') THEN 'laundry'
@@ -4082,7 +4105,7 @@ RETURNS TEXT AS $$
         WHEN "subclass" IN ('hotel', 'motel', 'bed_and_breakfast', 'guest_house', 'hostel', 'chalet', 'alpine_hut', 'dormitory') THEN 'lodging'
         WHEN "subclass" IN ('chocolate', 'confectionery') THEN 'ice_cream'
         WHEN "subclass" IN ('post_box', 'post_office') THEN 'post'
-        WHEN "subclass"='cafe' THEN 'cafe'
+        WHEN "subclass" = 'cafe' THEN 'cafe'
         WHEN "subclass" IN ('school', 'kindergarten') THEN 'school'
         WHEN "subclass" IN ('alcohol', 'beverages', 'wine') THEN 'alcohol_shop'
         WHEN "subclass" IN ('bar', 'nightclub') THEN 'bar'
@@ -4098,9 +4121,6 @@ RETURNS TEXT AS $$
         WHEN "subclass" IN ('bag', 'clothes') THEN 'clothing_store'
         WHEN "subclass" IN ('swimming_area', 'swimming') THEN 'swimming'
         WHEN "subclass" IN ('castle', 'ruins') THEN 'castle'
-        WHEN (subclass = 'station' AND mapping_key = 'railway')
-          OR (subclass IN ('halt', 'tram_stop', 'subway')) THEN 'railway'
-        WHEN (subclass = 'station' AND mapping_key = 'aerialway') THEN 'aerialway'
         ELSE subclass
     END;
 $$ LANGUAGE SQL IMMUTABLE;
@@ -4301,22 +4321,22 @@ $$
     COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
     tags,
     CASE
-      WHEN "aerodrome"='international'
-          OR "aerodrome_type"='international'
+      WHEN "aerodrome" = 'international'
+          OR "aerodrome_type" = 'international'
           THEN 'international'
-      WHEN "aerodrome"='public'
-          OR "aerodrome_type"='civil'
+      WHEN "aerodrome" = 'public'
+          OR "aerodrome_type" = 'civil'
           OR "aerodrome_type" LIKE '%public%'
           THEN 'public'
-      WHEN "aerodrome"='regional'
-          OR "aerodrome_type"='regional'
+      WHEN "aerodrome" = 'regional'
+          OR "aerodrome_type" = 'regional'
           THEN 'regional'
-      WHEN "aerodrome"='military'
+      WHEN "aerodrome" = 'military'
           OR "aerodrome_type" LIKE '%military%'
-          OR "military"='airfield'
+          OR "military" = 'airfield'
           THEN 'military'
-      WHEN "aerodrome"='private'
-          OR "aerodrome_type"='private'
+      WHEN "aerodrome" = 'private'
+          OR "aerodrome_type" = 'private'
           THEN 'private'
       ELSE 'other'
     END AS class,
```
This commit is contained in:
Yuri Astrakhan 2020-01-31 00:22:21 -05:00 committed by GitHub
parent 9f4d48cf25
commit 6801353e15
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 41 additions and 17 deletions
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3
Makefile
View File

@ -65,7 +65,8 @@ build/mapping.yaml: build
docker-compose run $(DC_OPTS) openmaptiles-tools generate-imposm3 openmaptiles.yaml > $@ docker-compose run $(DC_OPTS) openmaptiles-tools generate-imposm3 openmaptiles.yaml > $@
build/tileset.sql: build build/tileset.sql: build
docker-compose run $(DC_OPTS) openmaptiles-tools generate-sql openmaptiles.yaml > $@ # FIXME: switch to openmaptiles-tools after v3.2+ is published
docker-compose run $(DC_OPTS) openmaptiles-tools-latest generate-sql openmaptiles.yaml > $@
.PHONY: clean .PHONY: clean
clean: clean:

3
layers/poi/class.sql
View File

@ -31,9 +31,6 @@ CREATE OR REPLACE FUNCTION poi_class(subclass TEXT, mapping_key TEXT)
RETURNS TEXT AS $$ RETURNS TEXT AS $$
SELECT CASE SELECT CASE
%%FIELD_MAPPING: class %% %%FIELD_MAPPING: class %%
WHEN (subclass = 'station' AND mapping_key = 'railway')
OR (subclass IN ('halt', 'tram_stop', 'subway')) THEN 'railway'
WHEN (subclass = 'station' AND mapping_key = 'aerialway') THEN 'aerialway'
ELSE subclass ELSE subclass
END; END;
$$ LANGUAGE SQL IMMUTABLE; $$ LANGUAGE SQL IMMUTABLE;

7
layers/poi/poi.yaml
View File

@ -36,7 +36,14 @@ layer:
bus: bus:
subclass: ['bus_stop', 'bus_station'] subclass: ['bus_stop', 'bus_station']
railway: railway:
- __AND__:
subclass: 'station'
mapping_key: 'railway'
- subclass: ['halt', 'tram_stop', 'subway']
aerialway: aerialway:
__AND__:
subclass: 'station'
mapping_key: 'aerialway'
entrance: entrance:
subclass: ['subway_entrance', 'train_station_entrance'] subclass: ['subway_entrance', 'train_station_entrance']
campsite: campsite:

13
layers/transportation/class.sql
View File

@ -11,19 +11,6 @@ $$ LANGUAGE SQL IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION highway_class(highway TEXT, public_transport TEXT, construction TEXT) RETURNS TEXT AS $$ CREATE OR REPLACE FUNCTION highway_class(highway TEXT, public_transport TEXT, construction TEXT) RETURNS TEXT AS $$
SELECT CASE SELECT CASE
%%FIELD_MAPPING: class %% %%FIELD_MAPPING: class %%
WHEN highway = 'construction' THEN CASE
WHEN construction IN ('motorway', 'motorway_link') THEN 'motorway_construction'
WHEN construction IN ('trunk', 'trunk_link') THEN 'trunk_construction'
WHEN construction IN ('primary', 'primary_link') THEN 'primary_construction'
WHEN construction IN ('secondary', 'secondary_link') THEN 'secondary_construction'
WHEN construction IN ('tertiary', 'tertiary_link') THEN 'tertiary_construction'
WHEN construction IN ('', 'unclassified', 'residential', 'living_street', 'road') THEN 'minor_construction'
WHEN construction IN ('pedestrian', 'path', 'footway', 'cycleway', 'steps', 'bridleway', 'corridor')
OR public_transport = 'platform' THEN 'path_construction'
WHEN construction = 'service' THEN 'service_construction'
WHEN construction = 'track' THEN 'track_construction'
WHEN construction = 'raceway' THEN 'raceway_construction'
END
END; END;
$$ LANGUAGE SQL IMMUTABLE; $$ LANGUAGE SQL IMMUTABLE;

32
layers/transportation/transportation.yaml
View File

@ -46,15 +46,47 @@ layer:
raceway: raceway:
highway: raceway highway: raceway
motorway_construction: motorway_construction:
__AND__:
highway: construction
construction: ['motorway', 'motorway_link']
trunk_construction: trunk_construction:
__AND__:
highway: construction
construction: ['trunk', 'trunk_link']
primary_construction: primary_construction:
__AND__:
highway: construction
construction: ['primary', 'primary_link']
secondary_construction: secondary_construction:
__AND__:
highway: construction
construction: ['secondary', 'secondary_link']
tertiary_construction: tertiary_construction:
__AND__:
highway: construction
construction: ['tertiary', 'tertiary_link']
minor_construction: minor_construction:
__AND__:
highway: construction
construction: ['', 'unclassified', 'residential', 'living_street', 'road']
path_construction: path_construction:
__AND__:
- highway: construction
- __OR__:
construction: ['pedestrian', 'path', 'footway', 'cycleway', 'steps', 'bridleway', 'corridor']
public_transport: platform
service_construction: service_construction:
__AND__:
highway: construction
construction: service
track_construction: track_construction:
__AND__:
highway: construction
construction: track
raceway_construction: raceway_construction:
__AND__:
highway: construction
construction: raceway
subclass: subclass:
description: | description: |
Distinguish more specific classes of railway and path: Distinguish more specific classes of railway and path: